{"id":15284,"date":"2024-11-17T20:09:19","date_gmt":"2024-11-17T12:09:19","guid":{"rendered":"https:\/\/fwq.ai\/blog\/?p=15284"},"modified":"2024-11-17T20:09:19","modified_gmt":"2024-11-17T12:09:19","slug":"%e5%b8%b8%e8%a7%81%e5%bc%80%e6%ba%90olap%e6%8a%80%e6%9c%af%e6%9e%b6%e6%9e%84%e5%af%b9%e6%af%94","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/15284\/","title":{"rendered":"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4"},"content":{"rendered":"<h2>1. \u4ec0\u4e48\u662fOLAP<\/h2>\n<p><b>OLAP\uff08On-line Analytical Processing\uff0c\u8054\u673a\u5206\u6790\u5904\u7406\uff09<\/b>\u662f\u5728\u57fa\u4e8e\u6570\u636e\u4ed3\u5e93\u591a\u7ef4\u6a21\u578b\u7684\u57fa\u7840\u4e0a\u5b9e\u73b0\u7684\u9762\u5411\u5206\u6790\u7684\u5404\u7c7b\u64cd\u4f5c\u7684\u96c6\u5408\u3002\u53ef\u4ee5\u6bd4\u8f83\u4e0b\u5176\u4e0e\u4f20\u7edf\u7684OLTP\uff08On-line Transaction Processing\uff0c\u8054\u673a\u4e8b\u52a1\u5904\u7406\uff09\u7684\u533a\u522b\u6765\u770b\u4e00\u4e0b\u5b83\u7684\u7279\u70b9\uff1a<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15285\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/1.jpg\" width=\"1440\" height=\"854\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/1.jpg 1440w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/1-300x178.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/1-1024x607.jpg 1024w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/1-768x455.jpg 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/1-670x397.jpg 670w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe\" \/><\/a><\/p>\n<figure data-size=\"normal\"><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15287\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/2.jpg\" width=\"1440\" height=\"1265\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/2.jpg 1440w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/2-300x264.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/2-1024x900.jpg 1024w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/2-768x675.jpg 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/2-670x589.jpg 670w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe1\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe1\" \/><\/a><\/figure>\n<p>OLAP\u7684\u4f18\u52bf\u662f\u57fa\u4e8e\u6570\u636e\u4ed3\u5e93\u9762\u5411<em><strong>\u4e3b\u9898\u3001\u96c6\u6210\u7684\u3001\u4fdd\u7559\u5386\u53f2\u53ca\u4e0d\u53ef\u53d8\u66f4\u7684\u6570\u636e\u5b58\u50a8\uff0c\u4ee5\u53ca\u591a\u7ef4\u6a21\u578b\u591a\u89c6\u89d2\u591a\u5c42\u6b21\u7684\u6570\u636e\u7ec4\u7ec7\u5f62\u5f0f\uff0c\u5982\u679c\u8131\u79bb\u7684\u8fd9\u4e24\u70b9\uff0cOLAP\u5c06\u4e0d\u590d\u5b58\u5728\uff0c\u4e5f\u5c31\u6ca1\u6709\u4f18\u52bf\u53ef\u8a00\u3002<\/strong><\/em><\/p>\n<pre><strong>Tips\uff1a<\/strong>\u76f8\u5173\u6982\u5ff5\r\nDW\/DWH\uff1a\u6570\u636e\u4ed3\u5e93 data warehouse\r\nMPP:\u5927\u89c4\u6a21\u5e76\u884c\u5904\u7406 Massively Parallel Processing\r\n\u7ed3\u6784\u5316\u6570\u636e\uff1a\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\r\n\u534a\u7ed3\u6784\u5316\u6570\u636e\uff1a\u65e5\u5fd7\u3001xml\u3001json\u6570\u636e\r\n\u975e\u7ed3\u6784\u5316\u6570\u636e\uff1a\u5bcc\u6587\u672c\u6587\u6863\u3001\u7f51\u9875\u3001\u591a\u5a92\u4f53\r\nROLAP\uff1a\u5173\u7cfb\u6a21\u578b\u5b58\u653e\r\nMOLAP\uff1a\u591a\u7ef4\u6a21\u578b\u5b58\u653e\r\nHOLAP\uff1aMOLAP \u548c ROLAP \u7684\u4e00\u79cd\u878d\u5408<\/pre>\n<p>2. OLAP\u5f15\u64ce\u7684\u5e38\u89c1\u64cd\u4f5c<\/p>\n<figure data-size=\"normal\"><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/5.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15286\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/5.jpg\" width=\"550\" height=\"280\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/5.jpg 550w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/5-300x153.jpg 300w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe2\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe2\" \/><\/a><\/figure>\n<p>\u4e0b\u9762\u6240\u8ff0\u51e0\u79cdOLAP\u64cd\u4f5c\uff0c\u662f\u9488\u5bf9Kimball\u7684\u661f\u578b\u6a21\u578b\uff08Star Schema\uff09\u548c\u96ea\u82b1\u6a21\u578b\uff08Snowflake Schema\uff09\u6765\u8bf4\u7684\u3002\u5728Kimball\u6a21\u578b\u4e2d\uff0c\u5b9a\u4e49\u4e86\u4e8b\u5b9e\u548c\u7ef4\u5ea6\u3002\u53ef<\/p>\n<p>\u4e0a\u5377\uff08Roll Up\uff09\/\u805a\u5408\uff1a\u9009\u5b9a\u67d0\u4e9b\u7ef4\u5ea6\uff0c\u6839\u636e\u8fd9\u4e9b\u7ef4\u5ea6\u6765\u805a\u5408\u4e8b\u5b9e\uff0c\u5982\u679c\u7528SQL\u6765\u8868\u8fbe\u5c31\u662fselect dim_a, aggs_func(fact_b) from fact_table group by dim_a.<\/p>\n<ul>\n<li>\u4e0b\u94bb\uff08Drill Down\uff09\uff1a\u4e0a\u5377\u548c\u4e0b\u94bb\u662f\u76f8\u53cd\u7684\u64cd\u4f5c\u3002\u5b83\u662f\u9009\u5b9a\u67d0\u4e9b\u7ef4\u5ea6\uff0c\u5c06\u8fd9\u4e9b\u7ef4\u5ea6\u62c6\u89e3\u51fa\u5c0f\u7684\u7ef4\u5ea6\uff08\u5982\u5e74\u62c6\u89e3\u4e3a\u6708\uff0c\u7701\u4efd\u62c6\u89e3\u4e3a\u57ce\u5e02\uff09\uff0c\u4e4b\u540e\u805a\u5408\u4e8b\u5b9e\u3002<\/li>\n<li>\u5207\u7247\uff08Slicing\u3001Dicing\uff09\uff1a\u9009\u5b9a\u67d0\u4e9b\u7ef4\u5ea6\uff0c\u5e76\u6839\u636e\u7279\u5b9a\u503c\u8fc7\u6ee4\u8fd9\u4e9b\u7ef4\u5ea6\u7684\u503c\uff0c\u5c06\u539f\u6765\u7684\u5927Cube\u5207\u6210\u5c0fcube\u3002\u5982dim_a in (\u2018CN\u2019, \u2018USA\u2019)<\/li>\n<li>\u65cb\u8f6c\uff08Pivot\/Rotate\uff09\uff1a\u7ef4\u5ea6\u4f4d\u7f6e\u7684\u4e92\u6362\u3002<\/li>\n<\/ul>\n<p>\u4e0b\u56fe\u4e3e\u4e86\u4e00\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50\uff1a<\/p>\n<figure data-size=\"normal\"><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15289\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/4.png\" width=\"859\" height=\"570\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/4.png 859w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/4-300x199.png 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/4-768x510.png 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/4-670x445.png 670w\" sizes=\"auto, (max-width: 859px) 100vw, 859px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe3\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe3\" \/><\/a><\/figure>\n<p>&nbsp;<\/p>\n<h2>3. OLAP\u5206\u7c7b<\/h2>\n<figure data-size=\"normal\"><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/6.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15288\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/6.jpg\" width=\"651\" height=\"266\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/6.jpg 651w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/6-300x123.jpg 300w\" sizes=\"auto, (max-width: 651px) 100vw, 651px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe4\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe4\" \/><\/a><\/figure>\n<p>OLAP \u662f\u4e00\u79cd\u8ba9\u7528\u6237\u53ef\u4ee5\u7528\u4ece\u4e0d\u540c\u89c6\u89d2\u65b9\u4fbf\u5feb\u6377\u7684\u5206\u6790\u6570\u636e\u7684\u8ba1\u7b97\u65b9\u6cd5\u3002\u4e3b\u6d41\u7684 OLAP \u53ef\u4ee5\u5206\u4e3a3\u7c7b\uff1a\u591a\u7ef4 OLAP ( Multi-dimensional OLAP )\u3001\u5173\u7cfb\u578b OLAP ( Relational OLAP ) \u548c\u6df7\u5408 OLAP ( Hybrid OLAP ) \u4e09\u5927\u7c7b\u3002<\/p>\n<ul>\n<li><b>MOLAP \u7684\u4f18\u70b9\u548c\u7f3a\u70b9<\/b><\/li>\n<\/ul>\n<p>MOLAP\u7684\u5178\u578b\u4ee3\u8868\u662f\uff1aDruid\uff0cKylin\uff0cDoris\uff0cMOLAP\u4e00\u822c\u4f1a\u6839\u636e\u7528\u6237\u5b9a\u4e49\u7684\u6570\u636e\u7ef4\u5ea6\u3001\u5ea6\u91cf\uff08\u4e5f\u53ef\u4ee5\u53eb\u6307\u6807\uff09\u5728\u6570\u636e\u5199\u5165\u65f6\u751f\u6210\u9884\u805a\u5408\u6570\u636e\uff1bQuery\u67e5\u8be2\u5230\u6765\u65f6\uff0c\u5b9e\u9645\u4e0a\u67e5\u8be2\u7684\u662f\u9884\u805a\u5408\u7684\u6570\u636e\u800c\u4e0d\u662f\u539f\u59cb\u660e\u7ec6\u6570\u636e\uff0c\u5728\u67e5\u8be2\u6a21\u5f0f\u76f8\u5bf9\u56fa\u5b9a\u7684\u573a\u666f\u4e2d\uff0c\u8fd9\u79cd\u4f18\u5316\u63d0\u901f\u5f88\u660e\u663e\u3002<\/p>\n<p>MOLAP\u00a0<strong>\u7684\u4f18\u70b9\u548c\u7f3a\u70b9\u90fd\u6765\u81ea\u4e8e\u5176\u6570\u636e\u9884\u5904\u7406 ( pre-processing ) \u73af\u8282<\/strong>\u3002\u6570\u636e\u9884\u5904\u7406\uff0c\u5c06\u539f\u59cb\u6570\u636e\u6309\u7167\u6307\u5b9a\u7684\u8ba1\u7b97\u89c4\u5219\u9884\u5148\u505a\u805a\u5408\u8ba1\u7b97\uff0c\u8fd9\u6837\u907f\u514d\u4e86\u67e5\u8be2\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u5927\u91cf\u7684\u5373\u4f7f\u8ba1\u7b97\uff0c\u63d0\u5347\u4e86\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n<p>\u4f46\u662f\u8fd9\u6837\u7684\u9884\u805a\u5408\u5904\u7406\uff0c<strong>\u9700\u8981\u9884\u5148\u5b9a\u4e49\u7ef4\u5ea6<\/strong>\uff0c\u4f1a\u9650\u5236\u540e\u671f\u6570\u636e\u67e5\u8be2\u7684\u7075\u6d3b\u6027\uff1b\u5982\u679c\u67e5\u8be2\u5de5\u4f5c\u6d89\u53ca\u65b0\u7684\u6307\u6807\uff0c\u9700\u8981\u91cd\u65b0\u589e\u52a0\u9884\u5904\u7406\u6d41\u7a0b\uff0c\u635f\u5931\u4e86\u7075\u6d3b\u5ea6\uff0c\u5b58\u50a8\u6210\u672c\u4e5f\u5f88\u9ad8\uff1b\u540c\u65f6\uff0c<strong>\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u652f\u6301\u660e\u7ec6\u6570\u636e\u7684\u67e5\u8be2<\/strong>\uff0c\u4ec5\u9002\u7528\u4e8e\u805a\u5408\u578b\u67e5\u8be2\uff08\u5982\uff1asum\uff0cavg\uff0ccount\uff09\u3002<\/p>\n<p>\u56e0\u6b64\uff0cMOLAP \u9002\u7528\u4e8e\u67e5\u8be2\u573a\u666f\u76f8\u5bf9\u56fa\u5b9a\u5e76\u4e14\u5bf9\u67e5\u8be2\u6027\u80fd\u8981\u6c42\u975e\u5e38\u9ad8\u7684\u573a\u666f\u3002\u5982\u5e7f\u544a\u4e3b\u7ecf\u5e38\u4f7f\u7528\u7684\u5e7f\u544a\u6295\u653e\u62a5\u8868\u5206\u6790\u3002<\/p>\n<ul>\n<li><b>ROLAP \u7684\u4f18\u70b9\u548c\u7f3a\u70b9<\/b><\/li>\n<\/ul>\n<p>ROLAP\u7684\u5178\u578b\u4ee3\u8868\u662f\uff1aPresto\uff0cImpala\uff0cGreenPlum\uff0cClickhouse\uff0cElasticsearch\uff0cHive\uff0cSpark SQL\uff0cFlink SQL<\/p>\n<p>\u6570\u636e\u5199\u5165\u65f6\uff0cROLAP\u5e76\u672a\u4f7f\u7528\u50cfMOLAP\u90a3\u6837\u7684\u9884\u805a\u5408\u6280\u672f\uff1bROLAP\u6536\u5230Query\u8bf7\u6c42\u65f6\uff0c\u4f1a\u5148\u89e3\u6790Query\uff0c\u751f\u6210\u6267\u884c\u8ba1\u5212\uff0c\u626b\u63cf\u6570\u636e\uff0c\u6267\u884c\u5173\u7cfb\u578b\u7b97\u5b50\uff0c\u5728\u539f\u59cb\u6570\u636e\u4e0a\u505a\u8fc7\u6ee4(Where)\u3001\u805a\u5408(Sum, Avg, Count)\u3001\u5173\u8054(Join)\uff0c\u5206\u7ec4\uff08Group By)\u3001\u6392\u5e8f\uff08Order By\uff09\u7b49\uff0c\u6700\u540e\u5c06\u7ed3\u7b97\u7ed3\u679c\u8fd4\u56de\u7ed9\u7528\u6237\uff0c\u6574\u4e2a\u8fc7\u7a0b\u90fd\u662f\u5373\u65f6\u8ba1\u7b97\uff0c\u6ca1\u6709\u9884\u5148\u805a\u5408\u597d\u7684\u6570\u636e\u53ef\u4f9b\u4f18\u5316\u67e5\u8be2\u901f\u5ea6\uff0c\u62fc\u7684\u90fd\u662f\u8d44\u6e90\u548c\u7b97\u529b\u7684\u5927\u5c0f\u3002<\/p>\n<p>ROLAP \u4e0d\u9700\u8981\u8fdb\u884c\u6570\u636e\u9884\u5904\u7406 ( pre-processing )\uff0c\u56e0\u6b64\u67e5\u8be2\u7075\u6d3b\uff0c\u53ef\u6269\u5c55\u6027\u597d\u3002\u8fd9\u7c7b\u5f15\u64ce\u4f7f\u7528 MPP \u67b6\u6784 ( \u4e0eHadoop\u76f8\u4f3c\u7684\u5927\u578b\u5e76\u884c\u5904\u7406\u67b6\u6784\uff0c\u53ef\u4ee5\u901a\u8fc7\u6269\u5927\u5e76\u53d1\u6765\u589e\u52a0\u8ba1\u7b97\u8d44\u6e90 )\uff0c\u53ef\u4ee5\u9ad8\u6548\u5904\u7406\u5927\u91cf\u6570\u636e\u3002<\/p>\n<p>\u4f46\u662f\u5f53\u6570\u636e\u91cf\u8f83\u5927\u6216 query \u8f83\u4e3a\u590d\u6742\u65f6\uff0c\u67e5\u8be2\u6027\u80fd\u4e5f\u65e0\u6cd5\u50cf MOLAP \u90a3\u6837\u7a33\u5b9a\u3002\u6240\u6709\u8ba1\u7b97\u90fd\u662f\u5373\u65f6\u89e6\u53d1 ( \u6ca1\u6709\u9884\u5904\u7406 )\uff0c\u56e0\u6b64\u4f1a\u8017\u8d39\u66f4\u591a\u7684\u8ba1\u7b97\u8d44\u6e90\uff0c\u5e26\u6765\u6f5c\u5728\u7684\u91cd\u590d\u8ba1\u7b97\u3002<\/p>\n<p>\u56e0\u6b64\uff0cROLAP \u9002\u7528\u4e8e\u5bf9\u67e5\u8be2\u6a21\u5f0f\u4e0d\u56fa\u5b9a\u3001\u67e5\u8be2\u7075\u6d3b\u6027\u8981\u6c42\u9ad8\u7684\u573a\u666f\u3002\u5982\u6570\u636e\u5206\u6790\u5e08\u5e38\u7528\u7684\u6570\u636e\u5206\u6790\u7c7b\u4ea7\u54c1\uff0c\u4ed6\u4eec\u5f80\u5f80\u4f1a\u5bf9\u6570\u636e\u505a\u5404\u79cd\u9884\u5148\u4e0d\u80fd\u786e\u5b9a\u7684\u5206\u6790\uff0c\u6240\u4ee5\u9700\u8981\u66f4\u9ad8\u7684\u67e5\u8be2\u7075\u6d3b\u6027\u3002<\/p>\n<ul>\n<li><b>\u6df7\u5408 OLAP ( HOLAP )<\/b><\/li>\n<\/ul>\n<p>\u6df7\u5408 OLAP\uff0c\u662f MOLAP \u548c ROLAP \u7684\u4e00\u79cd\u878d\u5408\u3002\u5f53\u67e5\u8be2\u805a\u5408\u6027\u6570\u636e\u7684\u65f6\u5019\uff0c\u4f7f\u7528MOLAP \u6280\u672f\uff1b\u5f53\u67e5\u8be2\u660e\u7ec6\u6570\u636e\u65f6\uff0c\u4f7f\u7528 ROLAP \u6280\u672f\u3002\u5728\u7ed9\u5b9a\u4f7f\u7528\u573a\u666f\u7684\u524d\u63d0\u4e0b\uff0c\u4ee5\u8fbe\u5230\u67e5\u8be2\u6027\u80fd\u7684\u6700\u4f18\u5316\u3002<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u56fd\u5185\u5916\u6709\u4e00\u4e9b\u95ed\u6e90\u7684\u5546\u4e1aOLAP\u5f15\u64ce\uff0c\u6ca1\u6709\u5728\u8fd9\u91cc\u5f52\u7c7b\u548c\u4ecb\u7ecd\uff0c\u4e3b\u8981\u662f\u56e0\u4e3a\u4f7f\u7528\u7684\u516c\u53f8\u4e0d\u591a\u5e76\u4e14\u6e90\u7801\u4e0d\u53ef\u89c1\u3001\u8d44\u6599\u5c11\uff0c\u5f88\u96be\u5206\u6790\u5b66\u4e60\u5176\u4e2d\u7684\u6e90\u7801\u548c\u6280\u672f\u70b9\u3002\u5728\u4e00\u4e8c\u7ebf\u7684\u4e92\u8054\u7f51\u516c\u53f8\u4e2d\uff0c\u5e94\u7528\u8f83\u4e3a\u5e7f\u6cdb\u7684\u8fd8\u662f\u4e0a\u9762\u63d0\u5230\u7684\u5404\u79cdOLAP\u5f15\u64ce\uff0c\u5982\u679c\u4f60\u5e0c\u671b\u80fd\u591f\u901a\u8fc7\u638c\u63e1\u4e00\u79cdOLAP\u6280\u672f\uff0c\u5b66\u4e60\u8fd9\u4e9b\u5c31\u591f\u4e86\u3002<\/p>\n<h2>4. OLAP\u5f15\u64ce\u7684\u5bf9\u6bd4<\/h2>\n<p>\u6211\u4eec\u82b1\u4e00\u4e9b\u7bc7\u5e45\u6765\u4ecb\u7ecd\u548c\u5bf9\u6bd4\u4e00\u4e0b\u76ee\u524d\u5927\u6570\u636e\u4e1a\u5185\u975e\u5e38\u6d41\u884c\u7684\u51e0\u4e2aOLAP\u5f15\u64ce\uff0c\u5b83\u4eec\u662fHive\u3001SparkSQL\u3001FlinkSQL\u3001Clickhouse\u3001Elasticsearch\u3001Druid\u3001Kylin\u3001Presto\u3001Impala\u3001Doris\u3002\u53ef\u4ee5\u8bf4\u76ee\u524d\u6ca1\u6709\u4e00\u4e2a\u5f15\u64ce\u80fd\u5728\u6570\u636e\u91cf\uff0c\u7075\u6d3b\u7a0b\u5ea6\u548c\u6027\u80fd\u4e0a\u505a\u5230\u5b8c\u7f8e\uff0c\u7528\u6237\u9700\u8981\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u8fdb\u884c\u9009\u578b\u3002<\/p>\n<p><b>4.1 \u5e76\u53d1\u80fd\u529b\u4e0e\u67e5\u8be2\u5ef6\u8fdf\u5bf9\u6bd4<\/b><\/p>\n<p>\u8fd9\u91cc\u53ef\u80fd\u6709\u670b\u53cb\u6709\u7591\u95ee\uff1aHive\uff0cSparkSQL\uff0cFlinkSQL\u8fd9\u4e9b\u5b83\u4eec\u8981\u4e48\u67e5\u8be2\u901f\u5ea6\u6162\uff0c\u8981\u4e48QPS\u4e0a\u4e0d\u53bb\uff0c\u600e\u4e48\u80fd\u7b97\u662fOLAP\u5f15\u64ce\u5462\uff1f\u5176\u5b9eOLAP\u7684\u5b9a\u4e49\u4e2d\u5e76\u6ca1\u6709\u5173\u4e8e\u67e5\u8be2\u6267\u884c\u901f\u5ea6\u548cQPS\u7684\u9650\u5b9a\u3002\u8fdb\u4e00\u6b65\u6765\u8bf4\uff0c\u8fd9\u91cc\u5f15\u51fa\u4e86\u8861\u91cfOLAP\u7279\u5b9a\u4e1a\u52a1\u573a\u666f\u7684\u4e24\u4e2a\u91cd\u8981\u7684\u6307\u6807\uff1a<\/p>\n<ul>\n<li>\u67e5\u8be2\u901f\u5ea6\uff1aSearch Latency\uff08\u5e38\u7528Search Latency Pct99\u6765\u8861\u91cf\uff09<\/li>\n<li>\u67e5\u8be2\u5e76\u53d1\u80fd\u529b\uff1aQPS<\/li>\n<\/ul>\n<p>\u5982\u679c\u6839\u636e\u4e0d\u540c\u7684\u67e5\u8be2\u573a\u666f\u3001\u518d\u6309\u7167\u67e5\u8be2\u901f\u5ea6\u4e0e\u67e5\u8be2\u5e76\u53d1\u80fd\u529b\u8fd9\u4e24\u4e2a\u6307\u6807\u6765\u5212\u5206\u4ee5\u4e0a\u6240\u5217\u7684OLAP\u5f15\u64ce\uff0c\u8fd9\u4e9bOLAP\u5f15\u64ce\u7684\u80fd\u529b\u5212\u5206\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u573a\u666f\u4e00\uff1a\u7b80\u5355\u67e5\u8be2<\/li>\n<\/ul>\n<p>\u7b80\u5355\u67e5\u8be2\u6307\u7684\u662f\u70b9\u67e5\u3001\u7b80\u5355\u805a\u5408\u67e5\u8be2\u6216\u8005\u6570\u636e\u67e5\u8be2\u80fd\u591f\u547d\u4e2d\u7d22\u5f15\u6216\u7269\u5316\u89c6\u56fe\uff08\u7269\u5316\u89c6\u56fe\u6307\u7684\u662f\u7269\u5316\u7684\u67e5\u8be2\u4e2d\u95f4\u7ed3\u679c\uff0c\u5982\u9884\u805a\u5408\u6570\u636e\uff09\u3002\u8fd9\u6837\u7684\u67e5\u8be2\u7ecf\u5e38\u51fa\u73b0\u5728\u3010\u5728\u7ebf\u6570\u636e\u670d\u52a1\u3011\u7684\u4f01\u4e1a\u5e94\u7528\u4e2d\uff0c\u5982\u963f\u91cc\u751f\u610f\u53c2\u8c0b\u3001\u817e\u8baf\u7684\u5e7f\u70b9\u901a\u3001\u4eac\u4e1c\u7684\u5e7f\u544a\u4e1a\u52a1\u7b49\uff0c\u5b83\u4eec\u5171\u540c\u7684\u7279\u70b9\u662f\u5bf9\u5916\u670d\u52a1\u3001\u9762\u5411B\u7aef\u5546\u4e1a\u5ba2\u6237\uff08\u901a\u5e38\u662f\u51e0\u5341\u4e07\u7684\u7ea7\u522b\uff09\uff1b\u5e76\u53d1\u67e5\u8be2\u91cf(QPS)\u5927\uff1b\u5bf9\u54cd\u5e94\u65f6\u95f4\u8981\u6c42\u9ad8\uff0c\u4e00\u822c\u662fms\u7ea7\u522b\uff08\u53ef\u4ee5\u60f3\u8c61\u4e00\u4e0b\uff0c\u5982\u679c\u5e7f\u544a\u4e3b\u67e5\u8be2\u9875\u9762\u6295\u653e\u6570\u636e\uff0c\u5982\u679c10s\u8fd8\u6ca1\u6709\u7ed3\u679c\uff0c\u5f88\u4f24\u5bb3\u4f53\u9a8c\uff09\uff1b\u67e5\u8be2\u6a21\u5f0f\u76f8\u5bf9\u56fa\u5b9a\u4e14\u7b80\u5355\u3002\u4ece\u4e0b\u56fe\u53ef\u77e5\uff0c\u8fd9\u79cd\u573a\u666f\u6700\u5408\u9002\u7684\u662fElasticsearch\u3001Doris\u3001Druid\u3001Kylin\u8fd9\u4e9b\u3002<\/p>\n<ul>\n<li>\u573a\u666f\u4e8c\uff1a\u590d\u6742\u67e5\u8be2<\/li>\n<\/ul>\n<p>\u590d\u6742\u67e5\u8be2\u6307\u7684\u662f\u590d\u6742\u805a\u5408\u67e5\u8be2\u3001\u5927\u6279\u91cf\u6570\u636eSCAN\u3001\u590d\u6742\u7684\u67e5\u8be2\uff08\u5982JOIN\uff09\u3002\u5728ad-hoc\u573a\u666f\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u6709\u8fd9\u6837\u7684\u67e5\u8be2\uff0c\u5f80\u5f80\u7528\u6237\u4e0d\u80fd\u9884\u5148\u77e5\u9053\u8981\u67e5\u8be2\u4ec0\u4e48\uff0c\u66f4\u591a\u7684\u662f\u63a2\u7d22\u5f0f\u7684\u3002\u8fd9\u91cc\u4e5f\u6839\u636eQPS\u548c\u67e5\u8be2\u8017\u65f6\u5206\u51e0\u79cd\u60c5\u51b5\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u6839\u636e\u4e1a\u52a1\u7684\u9700\u6c42\u6765\u9009\u62e9\u5bf9\u5e94\u7684\u5f15\u64ce\u5373\u53ef\u3002\u6709\u4e00\u70b9\u8981\u63d0\u7684\u662fFlinkSQL\u548cSparkSQL\u867d\u7136\u4e5f\u80fd\u5b8c\u6210\u7c7b\u4f3c\u9700\u6c42\uff0c\u4f46\u662f\u5b83\u4eec\u76ee\u524d\u8fd8\u4e0d\u662f\u5f00\u7bb1\u5373\u7528\uff0c\u9700\u8981\u505a\u5468\u8fb9\u751f\u6001\u5efa\u8bbe\uff0c\u8fd9\u4e24\u79cd\u6280\u672f\u76ee\u524d\u66f4\u591a\u7684\u5e94\u7528\u573a\u666f\u8fd8\u662f\u5728\u901a\u8fc7\u64cd\u4f5c\u7075\u6d3b\u7684\u7f16\u7a0bAPI\u6765\u5b8c\u6210\u6d41\u5f0f\u6216\u79bb\u7ebf\u7684\u8ba1\u7b97\u4e0a\u3002<\/p>\n<figure data-size=\"normal\"><\/figure>\n<p><b>4.2 \u6267\u884c\u6a21\u578b\u5bf9\u6bd4<\/b><\/p>\n<figure data-size=\"normal\"><\/figure>\n<p>\u3010\u539f\u56fe\u6765\u81eaApache Doris\u5b98\u65b9\u4ecb\u7ecdPPT\u3011<\/p>\n<ul>\n<li>Scatter-Gather\u6267\u884c\u6a21\u578b\uff1a\u76f8\u5f53\u4e8eMapReduce\u4e2d\u7684\u4e00\u8d9fMap\u548cReduce\uff0c\u6ca1\u6709\u591a\u8f6e\u7684\u8fed\u4ee3\uff0c\u800c\u4e14\u4e2d\u95f4\u8ba1\u7b97\u7ed3\u679c\u5f80\u5f80\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u901a\u8fc7\u7f51\u7edc\u76f4\u63a5\u4ea4\u6362\u3002Elasticsearch\u3001Druid\u3001Kylin\u90fd\u662f\u6b64\u6a21\u578b\u3002<\/li>\n<li>MapReduce\uff1aHive\u662f\u6b64\u6a21\u578b<\/li>\n<li>MPP\uff1aMPP\u5b66\u540d\u662f\u5927\u89c4\u6a21\u5e76\u884c\u8ba1\u7b97\uff0c\u5176\u5b9e\u5f88\u96be\u7ed9\u5b83\u4e00\u4e2a\u51c6\u786e\u7684\u5b9a\u4e49\u3002\u5982\u679c\u8bf4\u7684\u5bbd\u6cdb\u4e00\u70b9\uff0cPresto\u3001Impala\u3001Doris\u3001Clickhouse\u3001Spark SQL\u3001Flink SQL\u8fd9\u4e9b\u90fd\u7b97\u3002\u6709\u4eba\u8bf4Spark SQL\u548cFlink SQL\u5c5e\u4e8eDAG\u6a21\u578b\uff0c\u6211\u4eec\u601d\u8003\u540e\u8ba4\u4e3a\uff0cDAG\u5e76\u4e0d\u7b97\u4e00\u79cd\u5355\u72ec\u7684\u6a21\u578b\uff0c\u5b83\u53ea\u662f\u751f\u6210\u6267\u884c\u8ba1\u5212\u7684\u4e00\u79cd\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n<h2>5. OLAP\u5f15\u64ce\u7684\u4e3b\u8981\u7279\u70b9<\/h2>\n<p><b>5.1 Hive<\/b><\/p>\n<figure data-size=\"normal\"><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/11.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15294\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/11.jpg\" width=\"560\" height=\"315\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/11.jpg 560w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/11-300x169.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/11-520x293.jpg 520w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe5\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe5\" \/><\/a><\/figure>\n<p>Hive\u662f\u4e00\u4e2a\u5206\u5e03\u5f0fSQL on Hadoop\u65b9\u6848\uff0c\u5e95\u5c42\u4f9d\u8d56MapReduce\u8ba1\u7b97\u6a21\u578b\u6267\u884c\u5206\u5e03\u5f0f\u8ba1\u7b97\u3002Hive\u64c5\u957f\u6267\u884c\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u79bb\u7ebf\u6279\u5904\u7406\uff0c\u6570\u636e\u91cf\u8d8a\u5927\uff0c\u4f18\u52bf\u8d8a\u660e\u663e\u3002Hive\u5728\u6570\u636e\u91cf\u5927\u3001\u6570\u636e\u9a71\u52a8\u9700\u6c42\u5f3a\u70c8\u7684\u4e92\u8054\u7f51\u5927\u5382\u6bd4\u8f83\u6d41\u884c\u3002\u8fd12\u5e74\uff0c\u968f\u7740clickhouse\u7684\u9010\u6e10\u6d41\u884c\uff0c\u5bf9\u4e8e\u4e00\u4e9b\u603b\u6570\u636e\u91cf\u4e0d\u8d85\u8fc7\u767ePB\u7ea7\u522b\u7684\u4e92\u8054\u7f51\u6570\u636e\u4ed3\u5e93\u9700\u6c42\uff0c\u5df2\u7ecf\u6709\u591a\u5bb6\u516c\u53f8\u6539\u4e3a\u4e86clickhouse\u7684\u65b9\u6848\u3002clickhouse\u7684\u4f18\u52bf\u662f\u5355\u4e2a\u67e5\u8be2\u6267\u884c\u901f\u5ea6\u66f4\u5feb\uff0c\u4e0d\u4f9d\u8d56hadoop\uff0c\u67b6\u6784\u548c\u8fd0\u7ef4\u66f4\u7b80\u5355\u3002<\/p>\n<p><b>5.2 Spark SQL\u3001Flink SQL<\/b><\/p>\n<figure data-size=\"normal\"><a href=\"http:\/\/www.hangdaowangluo.com\/wp-content\/uploads\/2021\/03\/21.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15293\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/21.jpg\" width=\"1440\" height=\"332\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/21.jpg 1440w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/21-300x69.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/21-1024x236.jpg 1024w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/21-768x177.jpg 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/21-670x154.jpg 670w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe6\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe6\" \/><\/a><\/figure>\n<p>\u5728\u5927\u90e8\u5206\u573a\u666f\u4e0b\uff0cHive\u8ba1\u7b97\u8fd8\u662f\u592a\u6162\u4e86\uff0c\u522b\u8bf4\u4e0d\u80fd\u6ee1\u8db3\u90a3\u4e9b\u8981\u6c42\u9ad8QPS\u3001\u4f4e\u67e5\u8be2\u5ef6\u8fdf\u7684\u7684\u5bf9\u5916\u5728\u7ebf\u670d\u52a1\u7684\u9700\u6c42\uff0c\u5c31\u8fde\u4f01\u4e1a\u5185\u90e8\u7684\u4ea7\u54c1\u3001\u8fd0\u8425\u3001\u6570\u636e\u5206\u6790\u5e08\u4e5f\u4f1a\u7ecf\u5e38\u62b1\u6028Hive\u6267\u884cad-hoc\u67e5\u8be2\u592a\u6162\u3002\u8fd9\u4e9b\u75db\u70b9\uff0c\u63a8\u52a8\u4e86MPP\u5185\u5b58\u8fed\u4ee3\u548cDAG\u8ba1\u7b97\u6a21\u578b\u7684\u8bde\u751f\u548c\u53d1\u5c55\uff0c\u8bf8\u5982Spark SQL\u3001Flink SQL\u3001Presto\u8fd9\u4e9b\u6280\u672f\uff0c\u76ee\u524d\u5728\u4f01\u4e1a\u4e2d\u4e5f\u975e\u5e38\u6d41\u884c\u3002Spark SQL\u3001Flink SQL\u7684\u6267\u884c\u901f\u5ea6\u66f4\u5feb\uff0c\u7f16\u7a0bAPI\u4e30\u5bcc\uff0c\u540c\u65f6\u652f\u6301\u6d41\u5f0f\u8ba1\u7b97\u4e0e\u6279\u5904\u7406\uff0c\u5e76\u4e14\u6709\u6d41\u6279\u7edf\u4e00\u7684\u8d8b\u52bf\uff0c\u4f7f\u5927\u6570\u636e\u5e94\u7528\u66f4\u7b80\u5355\u3002<\/p>\n<p>\u6ce8\uff1a\u4e0a\u9762\u8bf4\u7684\u5728\u7ebf\u670d\u52a1\uff0c\u6307\u7684\u662f\u5982\u963f\u91cc\u5bf9\u51e0\u767e\u4e07\u6dd8\u5b9d\u5e97\u4e3b\u5f00\u653e\u7684\u6570\u636e\u5e94\u7528\u751f\u610f\u53c2\u8c0b\uff0c\u817e\u8baf\u5bf9\u51e0\u5341\u4e07\u5e7f\u544a\u4e3b\u5f00\u53d1\u7684\u5e7f\u70b9\u901a\u5e7f\u544a\u6295\u653e\u5206\u6790\u7b49\u3002<\/p>\n<p><b>5.3 Clickhouse<\/b><\/p>\n<figure data-size=\"normal\"><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/31.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15295\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/31.jpg\" width=\"1440\" height=\"896\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/31.jpg 1440w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/31-300x187.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/31-1024x637.jpg 1024w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/31-768x478.jpg 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/31-670x417.jpg 670w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe7\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe7\" \/><\/a><\/figure>\n<p>ClickHouse\u662f\u8fd1\u5e74\u6765\u5907\u53d7\u5173\u6ce8\u7684\u5f00\u6e90\u5217\u5f0f\u6570\u636e\u5e93\uff0c\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u5206\u6790\uff08OLAP\uff09\u9886\u57df\u3002\u76ee\u524d\u56fd\u5185\u793e\u533a\u706b\u70ed\uff0c\u5404\u4e2a\u5927\u5382\u7eb7\u7eb7\u8ddf\u8fdb\u5927\u89c4\u6a21\u4f7f\u7528\uff1a<\/p>\n<ul>\n<li>\u4eca\u65e5\u5934\u6761\u00a0\u5185\u90e8\u7528ClickHouse\u6765\u505a\u7528\u6237\u884c\u4e3a\u5206\u6790\uff0c\u5185\u90e8\u4e00\u5171\u51e0\u5343\u4e2aClickHouse\u8282\u70b9\uff0c\u5355\u96c6\u7fa4\u6700\u59271200\u8282\u70b9\uff0c\u603b\u6570\u636e\u91cf\u51e0\u5341PB\uff0c\u65e5\u589e\u539f\u59cb\u6570\u636e300TB\u5de6\u53f3\u3002<\/li>\n<li>\u817e\u8baf\u5185\u90e8\u7528ClickHouse\u505a\u6e38\u620f\u6570\u636e\u5206\u6790\uff0c\u5e76\u4e14\u4e3a\u4e4b\u5efa\u7acb\u4e86\u4e00\u6574\u5957\u76d1\u63a7\u8fd0\u7ef4\u4f53\u7cfb\u3002<\/li>\n<li>\u643a\u7a0b\u5185\u90e8\u4ece18\u5e747\u6708\u4efd\u5f00\u59cb\u63a5\u5165\u8bd5\u7528\uff0c\u76ee\u524d80%\u7684\u4e1a\u52a1\u90fd\u8dd1\u5728ClickHouse\u4e0a\u3002\u6bcf\u5929\u6570\u636e\u589e\u91cf\u5341\u591a\u4ebf\uff0c\u8fd1\u767e\u4e07\u6b21\u67e5\u8be2\u8bf7\u6c42\u3002<\/li>\n<li>\u5feb\u624b\u5185\u90e8\u4e5f\u5728\u4f7f\u7528ClickHouse\uff0c\u5b58\u50a8\u603b\u91cf\u5927\u7ea610PB\uff0c \u6bcf\u5929\u65b0\u589e200TB\uff0c 90%\u67e5\u8be2\u5c0f\u4e8e3S\u3002<\/li>\n<\/ul>\n<p>\u5728\u56fd\u5916\uff0cYandex\u5185\u90e8\u6709\u6570\u767e\u8282\u70b9\u7528\u4e8e\u505a\u7528\u6237\u70b9\u51fb\u884c\u4e3a\u5206\u6790\uff0cCloudFlare\u3001Spotify\u7b49\u5934\u90e8\u516c\u53f8\u4e5f\u5728\u4f7f\u7528\u3002<\/p>\n<p>ClickHouse\u4eceOLAP\u573a\u666f\u9700\u6c42\u51fa\u53d1\uff0c\u5b9a\u5236\u5f00\u53d1\u4e86\u4e00\u5957\u5168\u65b0\u7684\u9ad8\u6548\u5217\u5f0f\u5b58\u50a8\u5f15\u64ce\uff0c\u5e76\u4e14\u5b9e\u73b0\u4e86\u6570\u636e\u6709\u5e8f\u5b58\u50a8\u3001\u4e3b\u952e\u7d22\u5f15\u3001\u7a00\u758f\u7d22\u5f15\u3001\u6570\u636eSharding\u3001\u6570\u636ePartitioning\u3001TTL\u3001\u4e3b\u5907\u590d\u5236\u7b49\u4e30\u5bcc\u529f\u80fd\u3002\u4ee5\u4e0a\u529f\u80fd\u5171\u540c\u4e3aClickHouse\u6781\u901f\u7684\u5206\u6790\u6027\u80fd\u5960\u5b9a\u4e86\u57fa\u7840\u3002<\/p>\n<p>ClickHouse\u90e8\u7f72\u67b6\u6784\u7b80\u5355\uff0c\u6613\u7528\uff0c\u4e0d\u4f9d\u8d56Hadoop\u4f53\u7cfb\uff08HDFS+YARN\uff09\u3002\u5b83\u6bd4\u8f83\u64c5\u957f\u7684\u5730\u65b9\u662f\u5bf9\u4e00\u4e2a\u5927\u6570\u636e\u91cf\u7684\u5355\u8868\u8fdb\u884c\u805a\u5408\u67e5\u8be2\u3002Clickhouse\u7528C++\u5b9e\u73b0\uff0c\u5e95\u5c42\u5b9e\u73b0\u5177\u5907\u5411\u91cf\u5316\u6267\u884c\uff08Vectorized Execution\uff09\u3001\u51cf\u679d\u7b49\u4f18\u5316\u80fd\u529b\uff0c\u5177\u5907\u5f3a\u52b2\u7684\u67e5\u8be2\u6027\u80fd\u3002\u76ee\u524d\u5728\u4e92\u8054\u7f51\u4f01\u4e1a\u5747\u6709\u5e7f\u6cdb\u4f7f\u7528\uff0c\u6bd4\u8f83\u9002\u5408\u5185\u90e8BI\u62a5\u8868\u578b\u5e94\u7528\uff0c\u53ef\u4ee5\u63d0\u4f9b\u4f4e\u5ef6\u8fdf\uff08ms\u7ea7\u522b\uff09\u7684\u54cd\u5e94\u901f\u5ea6\uff0c\u4e5f\u5c31\u662f\u8bf4\u5355\u4e2a\u67e5\u8be2\u975e\u5e38\u5feb\u3002\u4f46\u662fClickhouse\u4e5f\u6709\u5b83\u7684\u5c40\u9650\u6027\uff0c\u5728OLAP\u6280\u672f\u9009\u578b\u7684\u65f6\u5019\uff0c\u5e94\u8be5\u907f\u514d\u628a\u5b83\u4f5c\u4e3a\u591a\u8868\u5173\u8054\u67e5\u8be2(JOIN)\u7684\u5f15\u64ce\uff0c\u4e5f\u5e94\u8be5\u907f\u514d\u628a\u5b83\u7528\u5728\u671f\u671b\u652f\u6491\u9ad8\u5e76\u53d1\u6570\u636e\u67e5\u8be2\u7684\u573a\u666f\uff0cOLAP\u5206\u6790\u573a\u666f\u4e2d\uff0c\u4e00\u822c\u8ba4\u4e3aQPS\u8fbe\u52301000+\u5c31\u7b97\u9ad8\u5e76\u53d1\uff0c\u800c\u4e0d\u662f\u50cf\u7535\u5546\u3001\u62a2\u7ea2\u5305\u7b49\u4e1a\u52a1\u573a\u666f\u4e2d\uff0c10W\u4ee5\u4e0a\u624d\u7b97\u9ad8\u5e76\u53d1\uff0c\u6bd5\u7adf\u6570\u636e\u5206\u6790\u573a\u666f\uff0c\u6570\u636e\u6d77\u91cf\uff0c\u8ba1\u7b97\u590d\u6742\uff0cQPS\u80fd\u591f\u8fbe\u52301000\u5df2\u7ecf\u975e\u5e38\u4e0d\u5bb9\u6613\u3002\u4f8b\u5982Clickhouse\uff0c\u5982\u679c\u5982\u6570\u636e\u91cf\u662fTB\u7ea7\u522b\uff0c\u805a\u5408\u8ba1\u7b97\u7a0d\u590d\u6742\u4e00\u70b9\uff0c\u5355\u96c6\u7fa4QPS\u4e00\u822c\u8fbe\u5230100\u5df2\u7ecf\u5f88\u56f0\u96be\u4e86\uff0c\u6240\u4ee5\u5b83\u66f4\u9002\u5408\u4f01\u4e1a\u5185\u90e8BI\u62a5\u8868\u5e94\u7528\uff0c\u800c\u4e0d\u9002\u5408\u5982\u6570\u5341\u4e07\u7684\u5e7f\u544a\u4e3b\u62a5\u8868\u6216\u8005\u6570\u767e\u4e07\u7684\u6dd8\u5b9d\u5e97\u4e3b\u76f8\u5173\u62a5\u8868\u5e94\u7528\u3002Clickhouse\u7684\u6267\u884c\u6a21\u578b\u51b3\u5b9a\u4e86\u5b83\u4f1a\u5c3d\u5168\u529b\u6765\u6267\u884c\u4e00\u4e2aQuery\uff0c\u800c\u4e0d\u662f\u540c\u65f6\u6267\u884c\u5f88\u591aQuery\u3002<\/p>\n<p><b>5.4 Elasticsearch<\/b><\/p>\n<figure data-size=\"normal\"><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/51.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15296\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/51.jpg\" width=\"1440\" height=\"800\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/51.jpg 1440w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/51-300x167.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/51-1024x569.jpg 1024w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/51-768x427.jpg 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/51-670x372.jpg 670w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe8\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe8\" \/><\/a><\/figure>\n<p>\u63d0\u5230Elasticsearch\uff0c\u5f88\u591a\u4eba\u7684\u5370\u8c61\u662f\u8fd9\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5206\u5e03\u5f0f\u641c\u7d22\u5f15\u64ce\uff0c\u5e95\u5c42\u4f9d\u6258Lucene\u5012\u6392\u7d22\u5f15\u7ed3\u6784\uff0c\u5e76\u4e14\u652f\u6301\u6587\u672c\u5206\u8bcd\uff0c\u975e\u5e38\u9002\u5408\u4f5c\u4e3a\u641c\u7d22\u670d\u52a1\u3002\u8fd9\u4e9b\u5370\u8c61\u90fd\u5bf9\uff0c\u5e76\u4e14\u7528Elasticsearch\u4f5c\u4e3a\u641c\u7d22\u5f15\u64ce\uff0c\u4e00\u4e2a\u4e09\u8282\u70b9\u7684\u96c6\u7fa4\uff0c\u652f\u64911000+\u7684\u67e5\u8be2QPS\u4e5f\u4e0d\u662f\u4ec0\u4e48\u96be\u4e8b\uff0c\u8fd9\u662f\u641c\u7d22\u573a\u666f\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u6211\u4eec\u8fd9\u91cc\u8981\u8bb2\u7684\u5185\u5bb9\u662fElasticsearch\u7684\u53e6\u4e00\u4e2a\u529f\u80fd\uff0c\u5373\u4f5c\u4e3a\u805a\u5408\uff08aggregation\uff09\u573a\u666f\u7684OLAP\u5f15\u64ce\uff0c\u5b83\u4e0e\u641c\u7d22\u578b\u573a\u666f\u533a\u522b\u5f88\u5927\u3002\u805a\u5408\u573a\u666f\uff0c\u53ef\u4ee5\u7b49\u540c\u4e8eselect c1, c2, sum(c3), count(c4) from table where c1 in (\u2018china\u2019, \u2018usa\u2019) and c2 &lt; 100 \u8fd9\u6837\u7684SQL\uff0c\u4e5f\u5c31\u662f\u505a\u591a\u7ef4\u5ea6\u5206\u7ec4\u805a\u5408\u3002\u867d\u7136Elasticsearch DSL\u662f\u4e00\u4e2a\u590d\u6742\u7684JSON\u800c\u4e0d\u662fSQL\uff0c\u4f46\u662f\u610f\u601d\u76f8\u540c\uff0c\u53ef\u4ee5\u4e92\u76f8\u8f6c\u6362\u3002<\/p>\n<p>\u7528Elasticsearch\u4f5c\u4e3aOLAP\u5f15\u64ce\uff0c\u6709\u51e0\u9879\u4f18\u52bf\uff1a\uff081\uff09\u64c5\u957f\u9ad8QPS\uff08QPS &gt; 1K\uff09\u3001\u4f4e\u5ef6\u8fdf\u3001\u8fc7\u6ee4\u6761\u4ef6\u591a\u3001\u67e5\u8be2\u6a21\u5f0f\u7b80\u5355\uff08\u5982\u70b9\u67e5\u3001\u7b80\u5355\u805a\u5408\uff09\u7684\u67e5\u8be2\u573a\u666f\u3002\uff082\uff09\u96c6\u7fa4\u81ea\u52a8\u5316\u7ba1\u7406\u80fd\u529b\uff08shard allocation\uff0crecovery\uff09\u80fd\u529b\u975e\u5e38\u5f3a\u3002\u96c6\u7fa4\u3001\u7d22\u5f15\u7ba1\u7406\u548c\u67e5\u770b\u7684API\u975e\u5e38\u4e30\u5bcc\u3002<\/p>\n<p>ES\u7684\u6267\u884c\u5f15\u64ce\u662f\u6700\u7b80\u5355\u7684Scatter-Gather\u6a21\u578b\uff0c\u76f8\u5f53\u4e8eMapReduce\u8ba1\u7b97\u6a21\u578b\u7684\u4e00\u8d9fMap\u548cReduce\u3002Scatter\u548cGather\u4e4b\u95f4\u7684\u8282\u70b9\u6570\u636e\u4ea4\u6362\u4e5f\u662f\u57fa\u4e8e\u5185\u5b58\u7684\u4e0d\u4f1a\u50cfMapReduce\u90a3\u6837\u6bcf\u6b21Shuffle\u8981\u5148\u843d\u76d8\u3002ES\u5e95\u5c42\u4f9d\u8d56\u7684Lucene\u6587\u4ef6\u683c\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u628aLucene\u7406\u89e3\u4e3a\u4e00\u79cd\u884c\u5217\u6df7\u5b58\u7684\u6a21\u5f0f\uff0c\u5e76\u4e14\u5728\u67e5\u8be2\u65f6\u901a\u8fc7FST\uff0c\u8df3\u8868\u7b49\u52a0\u5feb\u6570\u636e\u67e5\u8be2\u3002\u8fd9\u79cdScatter-Gather\u6a21\u578b\u7684\u95ee\u9898\u662f\uff0c\u5982\u679cGather\/Reduce\u7684\u6570\u636e\u91cf\u6bd4\u8f83\u5927\uff0c\u7531\u4e8eES\u65f6\u5355\u8282\u70b9\u6267\u884c\uff0c\u53ef\u80fd\u4f1a\u975e\u5e38\u6162\u3002\u6574\u4f53\u6765\u8bb2\uff0cES\u662f\u901a\u8fc7\u727a\u7272\u7075\u6d3b\u6027\uff0c\u63d0\u9ad8\u4e86\u7b80\u5355OLAP\u67e5\u8be2\u7684QPS\u3001\u964d\u4f4e\u4e86\u5ef6\u8fdf\u3002<\/p>\n<p>\u7528Elasticsearch\u4f5c\u4e3aOLAP\u5f15\u64ce\uff0c\u6709\u51e0\u9879\u52a3\u52bf\uff1a\u591a\u7ef4\u5ea6\u5206\u7ec4\u6392\u5e8f\u3001\u5206\u9875<strong>\u3002\u4e0d\u652f\u6301Join<\/strong>\u3002\u5728\u505aaggregation\u540e\uff0c\u7531\u4e8e\u8fd4\u56de\u7684\u6570\u636e\u5d4c\u5957\u5c42\u6b21\u592a\u591a\uff0c\u6570\u636e\u91cf\u4f1a\u8fc7\u4e8e\u81a8\u80c0\u3002<\/p>\n<p>ElasticSearch\u548cSolar\u4e5f\u53ef\u4ee5\u5f52\u4e3a\u5bbd\u8868\u6a21\u578b\u3002\u4f46\u5176\u7cfb\u7edf\u8bbe\u8ba1\u67b6\u6784\u6709\u8f83\u5927\u4e0d\u540c\uff0c\u8fd9\u4e24\u4e2a\u4e00\u822c\u79f0\u4e3a\u641c\u7d22\u5f15\u64ce\uff0c\u901a\u8fc7\u5012\u6392\u7d22\u5f15\uff0c\u5e94\u7528Scatter-Gather\u8ba1\u7b97\u6a21\u578b\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002\u5bf9\u4e8e\u641c\u7d22\u7c7b\u7684\u67e5\u8be2\u6548\u679c\u8f83\u597d\uff0c\u4f46\u5f53\u6570\u636e\u91cf\u8f83\u5927\u6216\u8fdb\u884c\u626b\u63cf\u805a\u5408\u7c7b\u67e5\u8be2\u65f6\uff0c\u67e5\u8be2\u6027\u80fd\u4f1a\u6709\u8f83\u5927\u5f71\u54cd\u3002<\/p>\n<p><b>5.5 Presto<\/b><\/p>\n<figure data-size=\"normal\"><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/4.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15297\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/4.jpg\" width=\"1440\" height=\"1049\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/4.jpg 1440w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/4-300x219.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/4-1024x746.jpg 1024w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/4-768x559.jpg 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/4-670x488.jpg 670w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe9\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe9\" \/><\/a><\/figure>\n<p>Presto\u3001Impala\u3001GreenPlum\u5747\u57fa\u4e8eMPP\u67b6\u6784\uff0c\u76f8\u6bd4Elasticsearch\u3001Druid\u3001Kylin\u8fd9\u6837\u7684\u7b80\u5355Scatter-Gather\u6a21\u578b\uff0c\u5728\u652f\u6301\u7684SQL\u8ba1\u7b97\u4e0a\u66f4\u52a0\u901a\u7528\uff0c\u66f4\u9002\u5408ad-hoc\u67e5\u8be2\u573a\u666f\uff0c\u7136\u800c\u8fd9\u4e9b\u901a\u7528\u7cfb\u7edf\u5f80\u5f80\u6bd4\u4e13\u7528\u7cfb\u7edf\u66f4\u96be\u505a\u6027\u80fd\u4f18\u5316\uff0c\u6240\u4ee5\u4e0d\u592a\u9002\u5408\u505a\u5bf9\u67e5\u8be2QPS(\u53c2\u8003\u503cQPS &gt; 1000)\u3001\u5ef6\u8fdf\u8981\u6c42\u6bd4\u8f83\u9ad8(\u53c2\u8003\u503csearch latency &lt; 500ms)\u7684\u5728\u7ebf\u670d\u52a1\uff0c\u66f4\u9002\u5408\u505a\u516c\u53f8\u5185\u90e8\u7684\u67e5\u8be2\u670d\u52a1\u548c\u52a0\u901fHive\u67e5\u8be2\u7684\u670d\u52a1\u3002Presto\u8fd8\u6709\u4e00\u4e2a\u4f18\u79c0\u7684\u7279\u6027\u662f\u4f7f\u7528\u4e86ANSI\u6807\u51c6SQL\uff0c\u5e76\u4e14\u652f\u6301\u8d85\u8fc730+\u7684\u6570\u636e\u6e90Connector\u3002\u8fd9\u91cc\u6211\u4eec\u7ed9\u8bfb\u8005\u7559\u4e0b\u4e00\u4e2a\u601d\u8003\u9898\uff1a\u4ee5Presto\u4e3a\u4ee3\u8868\u7684MPP\u6a21\u578b\u4e0eHive\u4e3a\u4ee3\u8868\u7684MapReduce\u6a21\u578b\u7684\u6027\u80fd\u5dee\u5f02\u6bd4\u8f83\u5927\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/p>\n<p><b>5.6 Impala<\/b><\/p>\n<figure data-size=\"normal\"><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/61.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15298\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/61.jpg\" width=\"800\" height=\"452\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/61.jpg 800w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/61-300x170.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/61-768x434.jpg 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/61-520x293.jpg 520w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/61-670x379.jpg 670w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe10\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe10\" \/><\/a><\/figure>\n<p>Impala \u662f Cloudera \u5728\u53d7\u5230 Google \u7684 Dremel \u542f\u53d1\u4e0b\u5f00\u53d1\u7684\u5b9e\u65f6\u4ea4\u4e92SQL\u5927\u6570\u636e\u67e5\u8be2\u5de5\u5177\uff0c\u662fCDH \u5e73\u53f0\u9996\u9009\u7684 PB \u7ea7\u5927\u6570\u636e\u5b9e\u65f6\u67e5\u8be2\u5206\u6790\u5f15\u64ce\u3002\u5b83\u62e5\u6709\u548cHadoop\u4e00\u6837\u7684\u53ef\u6269\u5c55\u6027\u3001\u5b83\u63d0\u4f9b\u4e86\u7c7bSQL\uff08\u7c7bHsql\uff09\u8bed\u6cd5\uff0c\u5728\u591a\u7528\u6237\u573a\u666f\u4e0b\u4e5f\u80fd\u62e5\u6709\u8f83\u9ad8\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u541e\u5410\u91cf\u3002\u5b83\u662f\u7531Java\u548cC++\u5b9e\u73b0\u7684\uff0cJava\u63d0\u4f9b\u7684\u67e5\u8be2\u4ea4\u4e92\u7684\u63a5\u53e3\u548c\u5b9e\u73b0\uff0cC++\u5b9e\u73b0\u4e86\u67e5\u8be2\u5f15\u64ce\u90e8\u5206\uff0c\u9664\u6b64\u4e4b\u5916\uff0cImpala\u8fd8\u80fd\u591f\u5171\u4eabHive Metastore\uff0c\u751a\u81f3\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528Hive\u7684JDBC jar\u548cbeeline\u7b49\u76f4\u63a5\u5bf9Impala\u8fdb\u884c\u67e5\u8be2\u3001\u652f\u6301\u4e30\u5bcc\u7684\u6570\u636e\u5b58\u50a8\u683c\u5f0f\uff08Parquet\u3001Avro\u7b49\uff09\u3002\u6b64\u5916\uff0cImpala \u6ca1\u6709\u518d\u4f7f\u7528\u7f13\u6162\u7684 Hive+MapReduce \u6279\u5904\u7406\uff0c\u800c\u662f\u901a\u8fc7\u4f7f\u7528\u4e0e\u5546\u7528\u5e76\u884c\u5173\u7cfb\u6570\u636e\u5e93\u4e2d\u7c7b\u4f3c\u7684\u5206\u5e03\u5f0f\u67e5\u8be2\u5f15\u64ce\uff08\u7531 Query Planner\u3001Query Coordinator \u548c Query Exec Engine \u4e09\u90e8\u5206\u7ec4\u6210\uff09\uff0c\u53ef\u4ee5\u76f4\u63a5\u4ece HDFS \u6216 HBase \u4e2d\u7528 SELECT\u3001JOIN \u548c\u7edf\u8ba1\u51fd\u6570\u67e5\u8be2\u6570\u636e\uff0c\u4ece\u800c\u5927\u5927\u964d\u4f4e\u4e86\u5ef6\u8fdf\u3002Impala\u7ecf\u5e38\u642d\u914d\u5b58\u50a8\u5f15\u64ceKudu\u4e00\u8d77\u63d0\u4f9b\u670d\u52a1\uff0c\u8fd9\u4e48\u505a\u6700\u5927\u7684\u4f18\u52bf\u662f\u70b9\u67e5\u6bd4\u8f83\u5feb\uff0c\u5e76\u4e14\u652f\u6301\u6570\u636e\u7684Update\u548cDelete\u3002<\/p>\n<p><b>5.7 Doris<\/b><\/p>\n<figure data-size=\"normal\"><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/71.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15299\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/71.jpg\" width=\"1440\" height=\"905\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/71.jpg 1440w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/71-300x189.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/71-1024x644.jpg 1024w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/71-768x483.jpg 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/71-670x421.jpg 670w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe11\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe11\" \/><\/a><\/figure>\n<p>Doris\u662f\u767e\u5ea6\u4e3b\u5bfc\u7684\uff0c\u6839\u636eGoogle Mesa\u8bba\u6587\u548cImpala\u9879\u76ee\u6539\u5199\u7684\u4e00\u4e2a\u5927\u6570\u636e\u5206\u6790\u5f15\u64ce\uff0c\u5728\u767e\u5ea6\u3001\u7f8e\u56e2\u56e2\u3001\u4eac\u4e1c\u7684\u5e7f\u544a\u5206\u6790\u7b49\u4e1a\u52a1\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n<p><b>5.8 Druid<\/b><\/p>\n<figure data-size=\"normal\"><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/0.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15302\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/0.jpg\" width=\"1440\" height=\"852\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/0.jpg 1440w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/0-300x178.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/0-1024x606.jpg 1024w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/0-768x454.jpg 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/0-670x396.jpg 670w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe12\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe12\" \/><\/a><\/figure>\n<p>Druid \u662f\u4e00\u79cd\u80fd\u5bf9\u5386\u53f2\u548c\u5b9e\u65f6\u6570\u636e\u63d0\u4f9b\u4e9a\u79d2\u7ea7\u522b\u7684\u67e5\u8be2\u7684\u6570\u636e\u5b58\u50a8\u3002Druid \u652f\u6301\u4f4e\u5ef6\u65f6\u7684\u6570\u636e\u6444\u53d6\uff0c\u7075\u6d3b\u7684\u6570\u636e\u63a2\u7d22\u5206\u6790\uff0c\u9ad8\u6027\u80fd\u7684\u6570\u636e\u805a\u5408\uff0c\u7b80\u4fbf\u7684\u6c34\u5e73\u6269\u5c55\u3002Druid\u652f\u6301\u66f4\u5927\u7684\u6570\u636e\u89c4\u6a21\uff0c\u5177\u5907\u4e00\u5b9a\u7684\u9884\u805a\u5408\u80fd\u529b\uff0c\u901a\u8fc7\u5012\u6392\u7d22\u5f15\u548c\u4f4d\u56fe\u7d22\u5f15\u8fdb\u4e00\u6b65\u4f18\u5316\u67e5\u8be2\u6027\u80fd\uff0c\u5728\u5e7f\u544a\u5206\u6790\u573a\u666f\u3001\u76d1\u63a7\u62a5\u8b66\u7b49\u65f6\u5e8f\u7c7b\u5e94\u7528\u5747\u6709\u5e7f\u6cdb\u4f7f\u7528\uff1b<\/p>\n<p>Druid\u7684\u7279\u70b9\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>Druid\u5b9e\u65f6\u7684\u6570\u636e\u6d88\u8d39\uff0c\u771f\u6b63\u505a\u5230\u6570\u636e\u6444\u5165\u5b9e\u65f6\u3001\u67e5\u8be2\u7ed3\u679c\u5b9e\u65f6<\/li>\n<li>Druid\u652f\u6301 PB \u7ea7\u6570\u636e\u3001\u5343\u4ebf\u7ea7\u4e8b\u4ef6\u5feb\u901f\u5904\u7406\uff0c\u652f\u6301\u6bcf\u79d2\u6570\u5343\u67e5\u8be2\u5e76\u53d1<\/li>\n<li>Druid\u7684\u6838\u5fc3\u662f\u65f6\u95f4\u5e8f\u5217\uff0c\u628a\u6570\u636e\u6309\u7167\u65f6\u95f4\u5e8f\u5217\u5206\u6279\u5b58\u50a8\uff0c\u5341\u5206\u9002\u5408\u7528\u4e8e\u5bf9\u6309\u65f6\u95f4\u8fdb\u884c\u7edf\u8ba1\u5206\u6790\u7684\u573a\u666f<\/li>\n<li>Druid\u628a\u6570\u636e\u5217\u5206\u4e3a\u4e09\u7c7b\uff1a\u65f6\u95f4\u6233\u3001\u7ef4\u5ea6\u5217\u3001\u6307\u6807\u5217<\/li>\n<li>Druid\u4e0d\u652f\u6301\u591a\u8868\u8fde\u63a5<\/li>\n<li>Druid\u4e2d\u7684\u6570\u636e\u4e00\u822c\u662f\u4f7f\u7528\u5176\u4ed6\u8ba1\u7b97\u6846\u67b6(Spark\u7b49)\u9884\u8ba1\u7b97\u597d\u7684\u4f4e\u5c42\u6b21\u7edf\u8ba1\u6570\u636e<\/li>\n<li>Druid\u4e0d\u9002\u5408\u7528\u4e8e\u5904\u7406\u900f\u89c6\u7ef4\u5ea6\u590d\u6742\u591a\u53d8\u7684\u67e5\u8be2\u573a\u666f<\/li>\n<li>Druid\u64c5\u957f\u7684\u67e5\u8be2\u7c7b\u578b\u6bd4\u8f83\u5355\u4e00\uff0c\u4e00\u4e9b\u5e38\u7528\u7684SQL(groupby \u7b49)\u8bed\u53e5\u5728druid\u91cc\u8fd0\u884c\u901f\u5ea6\u4e00\u822c<\/li>\n<li>Druid\u652f\u6301\u4f4e\u5ef6\u65f6\u7684\u6570\u636e\u63d2\u5165\u3001\u66f4\u65b0\uff0c\u4f46\u662f\u6bd4hbase\u3001\u4f20\u7edf\u6570\u636e\u5e93\u8981\u6162\u5f88\u591a<\/li>\n<\/ul>\n<p>\u4e0e\u5176\u4ed6\u7684\u65f6\u5e8f\u6570\u636e\u5e93\u7c7b\u4f3c\uff0cDruid\u5728\u67e5\u8be2\u6761\u4ef6\u547d\u4e2d\u5927\u91cf\u6570\u636e\u60c5\u51b5\u4e0b\u53ef\u80fd\u4f1a\u6709\u6027\u80fd\u95ee\u9898\uff0c\u800c\u4e14\u6392\u5e8f\u3001\u805a\u5408\u7b49\u80fd\u529b\u666e\u904d\u4e0d\u592a\u597d\uff0c\u7075\u6d3b\u6027\u548c\u6269\u5c55\u6027\u4e0d\u591f\uff0c\u6bd4\u5982\u7f3a\u4e4fJoin\u3001\u5b50\u67e5\u8be2\u7b49\u3002<\/p>\n<p><b>5.9 Kylin<\/b><\/p>\n<figure data-size=\"normal\"><a href=\"http:\/\/fwq.ai\/wp-content\/uploads\/2021\/03\/01.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-15303\" src=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/01.jpg\" width=\"1440\" height=\"860\" srcset=\"https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/01.jpg 1440w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/01-300x179.jpg 300w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/01-1024x612.jpg 1024w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/01-768x459.jpg 768w, https:\/\/fwq.ai\/blog\/wp-content\/uploads\/2024\/11\/01-670x400.jpg 670w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" title=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe13\" alt=\"\u5e38\u89c1\u5f00\u6e90OLAP\u6280\u672f\u67b6\u6784\u5bf9\u6bd4\u63d2\u56fe13\" \/><\/a><\/figure>\n<p>Kylin\u81ea\u8eab\u5c31\u662f\u4e00\u4e2aMOLAP\u7cfb\u7edf\uff0c\u591a\u7ef4\u7acb\u65b9\u4f53\uff08MOLAP Cube\uff09\u7684\u8bbe\u8ba1\u4f7f\u5f97\u7528\u6237\u80fd\u591f\u5728Kylin\u91cc\u4e3a\u767e\u4ebf\u4ee5\u4e0a\u6570\u636e\u96c6\u5b9a\u4e49\u6570\u636e\u6a21\u578b\u5e76\u6784\u5efa\u7acb\u65b9\u4f53\u8fdb\u884c\u6570\u636e\u7684\u9884\u805a\u5408\u3002<\/p>\n<p>\u9002\u5408Kylin\u7684\u573a\u666f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7528\u6237\u6570\u636e\u5b58\u5728\u4e8eHadoop HDFS\u4e2d\uff0c\u5229\u7528Hive\u5c06HDFS\u6587\u4ef6\u6570\u636e\u4ee5\u5173\u7cfb\u6570\u636e\u65b9\u5f0f\u5b58\u53d6\uff0c\u6570\u636e\u91cf\u5de8\u5927\uff0c\u5728500G\u4ee5\u4e0a<\/li>\n<li>\u6bcf\u5929\u6709\u6570G\u751a\u81f3\u6570\u5341G\u7684\u6570\u636e\u589e\u91cf\u5bfc\u5165<\/li>\n<li>\u670910\u4e2a\u4ee5\u5185\u8f83\u4e3a\u56fa\u5b9a\u7684\u5206\u6790\u7ef4\u5ea6<\/li>\n<\/ul>\n<p>\u7b80\u5355\u6765\u8bf4\uff0cKylin\u4e2d\u6570\u636e\u7acb\u65b9\u7684\u601d\u60f3\u5c31\u662f\u4ee5\u7a7a\u95f4\u6362\u65f6\u95f4\uff0c\u901a\u8fc7\u5b9a\u4e49\u4e00\u7cfb\u5217\u7684\u7eac\u5ea6\uff0c\u5bf9\u6bcf\u4e2a\u7eac\u5ea6\u7684\u7ec4\u5408\u8fdb\u884c\u9884\u5148\u8ba1\u7b97\u5e76\u5b58\u50a8\u3002\u6709N\u4e2a\u7eac\u5ea6\uff0c\u5c31\u4f1a\u67092\u7684N\u6b21\u79cd\u7ec4\u5408\u3002\u6240\u4ee5\u6700\u597d\u63a7\u5236\u597d\u7eac\u5ea6\u7684\u6570\u91cf\uff0c\u56e0\u4e3a\u5b58\u50a8\u91cf\u4f1a\u968f\u7740\u7eac\u5ea6\u7684\u589e\u52a0\u7206\u70b8\u5f0f\u7684\u589e\u957f\uff0c\u4ea7\u751f\u707e\u96be\u6027\u540e\u679c\u3002<\/p>\n<h2>6. \u603b\u7ed3<\/h2>\n<p>\u6211\u4ee5\u4e3a\uff0c\u6211\u4eec\u5728\u8fd9\u91cc\u6240\u505a\u7684\u5404\u4e2aOLAP\u5f15\u64ce\u7684\u4ecb\u7ecd\u548c\u5206\u6790\uff0c\u5e76\u4e0d\u4e00\u5b9a100%\u5408\u7406\u51c6\u786e\uff0c\u53ea\u662f\u4e00\u79cd\u53c2\u8003\u3002\u53ea\u6709\u771f\u6b63\u6709OLAP\u7ebf\u4e0a\u7ecf\u9a8c\u7684\u4eba\uff0c\u5728\u7279\u5b9a\u4e1a\u52a1\u573a\u666f\u3001\u7279\u5b9a\u6570\u636e\u91cf\u7684\uff0c\u6709\u8fc7\u6df1\u5165\u4f18\u5316\u4ee5\u4e0a\u4ecb\u7ecd\u7684\u4e00\u79cd\u6216\u8005\u51e0\u79cdOLAP\u5f15\u64ce\u7ecf\u9a8c\u7684\u4e13\u5bb6\uff0c\u624d\u6709\u76f8\u5e94\u7684\u53d1\u8a00\u6743\u6765\u7ed9\u51fa\u6280\u672f\u9009\u578b\u7684\u5efa\u8bae\u3002\u4f46\u662f\u7531\u4e8e\u8fd9\u4e9bOLAP\u5f15\u64ce\u6280\u672f\u65b9\u6848\u592a\u591a\uff0c\u4e0d\u53ef\u80fd\u6709\u54ea\u4e2a\u4e13\u5bb6\u5168\u90fd\u7cbe\u901a\u3002\u4ee5\u6211\u4e2a\u4eba\u4e3a\u4f8b\uff0c\u8fc7\u5f80\u7684\u5de5\u4f5c\u7ecf\u9a8c\u4f7f\u6211\u5728Hive\u3001SparkSQL\u3001FlinkSQL\u3001Presto\u3001Elasticsearch\u8fd9\u51e0\u4e2a\u65b9\u9762\u66f4\u4e86\u89e3\uff0c\u5176\u4ed6\u7684\u5f15\u64ce\u4e0d\u6562\u778e\u8bf4\u81ea\u5df1\u61c2\uff0c\u4e0d\u6784\u6210\u6280\u672f\u9009\u578b\u7684\u5efa\u8bae\u3002\u6240\u4ee5\u5927\u6982\u6bcf\u4e2a\u4e13\u5bb6\u8bf4\u7684\u90fd\u4e0d\u51c6\u786e\u3001\u4e0d\u5168\u9762\uff0c\u6211\u4eec\u5728\u8fd9\u91cc\u9f13\u52b1\u5927\u5bb6\u591a\u8ba8\u8bba\u548c\u8bc4\u8bba\uff0c\u591a\u63d0\u95ee\u9898\uff0c\u6210\u4e3a\u5404\u4e2aOLAP\u5f15\u64ce\u65b9\u9762\u7684\u4e13\u5bb6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u4ec0\u4e48\u662fOLAP OLAP\uff08On-line Analytical Processing\uff0c\u8054\u673a\u5206\u6790\u5904\u7406\uff09\u662f\u5728\u57fa\u4e8e\u6570\u636e\u4ed3\u5e93\u591a\u7ef4\u6a21\u578b\u7684\u57fa\u7840\u4e0a\u5b9e\u73b0\u7684\u9762\u5411\u5206\u6790\u7684\u5404\u7c7b\u64cd\u4f5c\u7684\u96c6\u5408\u3002\u53ef\u4ee5\u6bd4\u8f83\u4e0b\u5176\u4e0e\u4f20\u7edf\u7684OLTP\uff08On-line Transaction Processing\uff0c\u8054\u673a\u4e8b\u52a1\u5904\u7406\uff09\u7684\u533a\u522b\u6765\u770b\u4e00\u4e0b\u5b83\u7684\u7279\u70b9\uff1a &nbsp; OLAP\u7684\u4f18\u52bf\u662f\u57fa\u4e8e\u6570\u636e\u4ed3\u5e93\u9762\u5411\u4e3b\u9898\u3001\u96c6\u6210\u7684\u3001\u4fdd\u7559\u5386\u53f2\u53ca\u4e0d\u53ef\u53d8\u66f4\u7684\u6570\u636e\u5b58\u50a8\uff0c\u4ee5\u53ca\u591a\u7ef4\u6a21\u578b\u591a\u89c6\u89d2\u591a\u5c42\u6b21\u7684\u6570\u636e\u7ec4\u7ec7\u5f62\u5f0f\uff0c\u5982\u679c\u8131\u79bb\u7684\u8fd9\u4e24\u70b9\uff0cOLAP\u5c06\u4e0d\u590d\u5b58\u5728\uff0c\u4e5f\u5c31\u6ca1\u6709\u4f18\u52bf\u53ef\u8a00\u3002 Tips\uff1a\u76f8\u5173\u6982\u5ff5 DW\/DWH\uff1a\u6570\u636e\u4ed3\u5e93 data warehouse MPP:\u5927\u89c4\u6a21\u5e76\u884c\u5904\u7406 Massively Parallel Processing \u7ed3\u6784\u5316\u6570\u636e\uff1a\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e \u534a\u7ed3\u6784\u5316\u6570\u636e\uff1a\u65e5\u5fd7\u3001xml\u3001json\u6570\u636e \u975e\u7ed3\u6784\u5316\u6570\u636e\uff1a\u5bcc\u6587\u672c\u6587\u6863\u3001\u7f51\u9875\u3001\u591a\u5a92\u4f53 ROLAP\uff1a\u5173\u7cfb\u6a21\u578b\u5b58\u653e MOLAP\uff1a\u591a\u7ef4\u6a21\u578b\u5b58\u653e HOLAP\uff1aMOLAP \u548c ROLAP \u7684\u4e00\u79cd\u878d\u5408 2. OLAP\u5f15\u64ce\u7684\u5e38\u89c1\u64cd\u4f5c \u4e0b\u9762\u6240\u8ff0\u51e0\u79cdOLAP\u64cd\u4f5c\uff0c\u662f\u9488\u5bf9Kimball\u7684\u661f\u578b\u6a21\u578b\uff08Star Schema\uff09\u548c\u96ea\u82b1\u6a21\u578b\uff08Snowflake Schema\uff09\u6765\u8bf4\u7684\u3002\u5728Kimball\u6a21\u578b\u4e2d\uff0c\u5b9a\u4e49\u4e86\u4e8b\u5b9e\u548c\u7ef4\u5ea6\u3002\u53ef \u4e0a\u5377\uff08Roll Up\uff09\/\u805a\u5408\uff1a\u9009\u5b9a\u67d0\u4e9b\u7ef4\u5ea6\uff0c\u6839\u636e\u8fd9\u4e9b\u7ef4\u5ea6\u6765\u805a\u5408\u4e8b\u5b9e\uff0c\u5982\u679c\u7528SQL\u6765\u8868\u8fbe\u5c31\u662fselect dim_a, aggs_func(fact_b) from fact_table group by dim_a. \u4e0b\u94bb\uff08Drill Down\uff09\uff1a\u4e0a\u5377\u548c\u4e0b\u94bb\u662f\u76f8\u53cd\u7684\u64cd\u4f5c\u3002\u5b83\u662f\u9009\u5b9a\u67d0\u4e9b\u7ef4\u5ea6\uff0c\u5c06\u8fd9\u4e9b\u7ef4\u5ea6\u62c6\u89e3\u51fa\u5c0f\u7684\u7ef4\u5ea6\uff08\u5982\u5e74\u62c6\u89e3\u4e3a\u6708\uff0c\u7701\u4efd\u62c6\u89e3\u4e3a\u57ce\u5e02\uff09\uff0c\u4e4b\u540e\u805a\u5408\u4e8b\u5b9e\u3002 \u5207\u7247\uff08Slicing\u3001Dicing\uff09\uff1a\u9009\u5b9a\u67d0\u4e9b\u7ef4\u5ea6\uff0c\u5e76\u6839\u636e\u7279\u5b9a\u503c\u8fc7\u6ee4\u8fd9\u4e9b\u7ef4\u5ea6\u7684\u503c\uff0c\u5c06\u539f\u6765\u7684\u5927Cube\u5207\u6210\u5c0fcube\u3002\u5982dim_a in (\u2018CN\u2019, \u2018USA\u2019) \u65cb\u8f6c\uff08Pivot\/Rotate\uff09\uff1a\u7ef4\u5ea6\u4f4d\u7f6e\u7684\u4e92\u6362\u3002 \u4e0b\u56fe\u4e3e\u4e86\u4e00\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50\uff1a &nbsp; 3. OLAP\u5206\u7c7b OLAP \u662f\u4e00\u79cd\u8ba9\u7528\u6237\u53ef\u4ee5\u7528\u4ece\u4e0d\u540c\u89c6\u89d2\u65b9\u4fbf\u5feb\u6377\u7684\u5206\u6790\u6570\u636e\u7684\u8ba1\u7b97\u65b9\u6cd5\u3002\u4e3b\u6d41\u7684 OLAP \u53ef\u4ee5\u5206\u4e3a3\u7c7b\uff1a\u591a\u7ef4 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-15284","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=15284"}],"version-history":[{"count":1,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15284\/revisions"}],"predecessor-version":[{"id":15304,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15284\/revisions\/15304"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=15284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=15284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=15284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}