{"id":25847,"date":"2024-11-24T11:03:40","date_gmt":"2024-11-24T03:03:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/25847\/"},"modified":"2024-11-24T11:03:40","modified_gmt":"2024-11-24T03:03:40","slug":"druid-%e8%bf%9e%e6%8e%a5%e8%b6%85%e6%97%b6%e8%ad%a6%e5%91%8a%ef%bc%9a%e5%a6%82%e4%bd%95%e7%90%86%e8%a7%a3%e5%92%8c%e8%a7%a3%e5%86%b3%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/25847\/","title":{"rendered":"Druid \u8fde\u63a5\u8d85\u65f6\u8b66\u544a\uff1a\u5982\u4f55\u7406\u89e3\u548c\u89e3\u51b3\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173071567867439.jpg\" class=\"aligncenter\" title=\"Druid \u8fde\u63a5\u8d85\u65f6\u8b66\u544a\uff1a\u5982\u4f55\u7406\u89e3\u548c\u89e3\u51b3\uff1f\u63d2\u56fe\" alt=\"Druid \u8fde\u63a5\u8d85\u65f6\u8b66\u544a\uff1a\u5982\u4f55\u7406\u89e3\u548c\u89e3\u51b3\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>druid \u8fde\u63a5\u8d85\u65f6\u95ee\u9898\u5256\u6790<\/strong><\/p>\n<p>\u5728\u5c06\u9879\u76ee\u90e8\u7f72\u5230  \u540e\uff0c\u60a8\u9047\u5230\u4e86\u4ee5\u4e0b\u8b66\u544a\uff1a<\/p>\n<pre>discard long time none received connection<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u53ef\u80fd\u8ba9\u4eba\u611f\u5230\u56f0\u60d1\uff0c\u4ee4\u4eba\u62c5\u5fe7\u3002<\/p>\n<p><strong>\u95ee\u9898\u539f\u56e0<\/strong><\/p>\n<p>\u6b64\u8b66\u544a\u662f\u60a8\u4f7f\u7528\u4e86  \u6570\u636e\u5e93\u65f6\uff0cdruid \u5728\u91ca\u653e\u7a7a\u95f2\u8fde\u63a5\u65f6\u751f\u6210\u7684\u3002\u8fd9\u662f\u56e0\u4e3a mysql \u4f1a\u5b9a\u671f ping \u8fde\u63a5\uff0c\u4ee5\u786e\u4fdd\u8fde\u63a5\u4ecd\u7136\u6709\u6548\u3002\u5982\u679c\u8fde\u63a5\u7a7a\u95f2\u65f6\u95f4\u8fc7\u957f\uff0cmysql \u5c06\u5c06\u5176\u5173\u95ed\u3002druid \u5728\u91ca\u653e\u8fd9\u4e9b\u8fde\u63a5\u65f6\u4f1a\u751f\u6210\u8be5\u8b66\u544a\u3002<\/p>\n<p><strong>\u5f71\u54cd<\/strong><\/p>\n<p>\u8fd9\u4e2a\u8b66\u544a\u4e0d\u4f1a\u5bf9\u7cfb\u7edf\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002\u5b83\u53ea\u662f\u8868\u793a druid \u6b63\u5728\u91ca\u653e\u4e0d\u518d\u9700\u8981\u7684\u7a7a\u95f2\u8fde\u63a5\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n<p>\u65e0\u9700\u91c7\u53d6\u4efb\u4f55\u64cd\u4f5c\u6765\u89e3\u51b3\u6b64\u8b66\u544a\u3002\u60a8\u53ef\u4ee5\u5b89\u5168\u5730\u5ffd\u7565\u5b83\u3002\u5982\u679c\u60a8\u5e0c\u671b\u7981\u7528\u6b64\u8b66\u544a\uff0c\u53ef\u4ee5\u4fee\u6539 druid \u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 validationquery \u8bbe\u7f6e\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>druid.connection-pool.validation-query='SELECT 1 from dual'<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u901a\u8fc7\u8bbe\u7f6e\u6b64\u9009\u9879\uff0cdruid \u5c06\u4f7f\u7528 sql \u67e5\u8be2 select 1 from dual \u6765\u9a8c\u8bc1\u8fde\u63a5\uff0c\u8fd9\u5c06\u9632\u6b62 mysql \u5173\u95ed\u7a7a\u95f2\u8fde\u63a5\u3002<\/p>\n<p>\u8bf7\u6ce8\u610f\uff0c\u6b64\u89e3\u51b3\u65b9\u6848\u4ec5\u9002\u7528\u4e8e mysql \u6570\u636e\u5e93\u3002\u5bf9\u4e8e\u5176\u4ed6\u6570\u636e\u5e93\uff0c\u6b64\u8b66\u544a\u53ef\u80fd\u8868\u793a\u5b58\u5728\u6f5c\u5728\u95ee\u9898\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u8c03\u67e5\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fDruid \u8fde\u63a5\u8d85\u65f6\u8b66\u544a\uff1a\u5982\u4f55\u7406\u89e3\u548c\u89e3\u51b3\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>druid \u8fde\u63a5\u8d85\u65f6\u95ee\u9898\u5256\u6790 \u5728\u5c06\u9879\u76ee\u90e8\u7f72\u5230 \u540e\uff0c\u60a8\u9047\u5230\u4e86\u4ee5\u4e0b\u8b66\u544a\uff1a discard long time none received connection \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u53ef\u80fd\u8ba9\u4eba\u611f\u5230\u56f0\u60d1\uff0c\u4ee4\u4eba\u62c5\u5fe7\u3002 \u95ee\u9898\u539f\u56e0 \u6b64\u8b66\u544a\u662f\u60a8\u4f7f\u7528\u4e86 \u6570\u636e\u5e93\u65f6\uff0cdruid \u5728\u91ca\u653e\u7a7a\u95f2\u8fde\u63a5\u65f6\u751f\u6210\u7684\u3002\u8fd9\u662f\u56e0\u4e3a mysql \u4f1a\u5b9a\u671f ping \u8fde\u63a5\uff0c\u4ee5\u786e\u4fdd\u8fde\u63a5\u4ecd\u7136\u6709\u6548\u3002\u5982\u679c\u8fde\u63a5\u7a7a\u95f2\u65f6\u95f4\u8fc7\u957f\uff0cmysql \u5c06\u5c06\u5176\u5173\u95ed\u3002druid \u5728\u91ca\u653e\u8fd9\u4e9b\u8fde\u63a5\u65f6\u4f1a\u751f\u6210\u8be5\u8b66\u544a\u3002 \u5f71\u54cd \u8fd9\u4e2a\u8b66\u544a\u4e0d\u4f1a\u5bf9\u7cfb\u7edf\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002\u5b83\u53ea\u662f\u8868\u793a druid \u6b63\u5728\u91ca\u653e\u4e0d\u518d\u9700\u8981\u7684\u7a7a\u95f2\u8fde\u63a5\u3002 \u89e3\u51b3\u65b9\u6848 \u65e0\u9700\u91c7\u53d6\u4efb\u4f55\u64cd\u4f5c\u6765\u89e3\u51b3\u6b64\u8b66\u544a\u3002\u60a8\u53ef\u4ee5\u5b89\u5168\u5730\u5ffd\u7565\u5b83\u3002\u5982\u679c\u60a8\u5e0c\u671b\u7981\u7528\u6b64\u8b66\u544a\uff0c\u53ef\u4ee5\u4fee\u6539 druid \u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 validationquery \u8bbe\u7f6e\u3002\u4f8b\u5982\uff1a druid.connection-pool.validation-query=&#8217;SELECT 1 from dual&#8217; \u767b\u5f55\u540e\u590d\u5236 \u901a\u8fc7\u8bbe\u7f6e\u6b64\u9009\u9879\uff0cdruid \u5c06\u4f7f\u7528 sql \u67e5\u8be2 select 1 from dual \u6765\u9a8c\u8bc1\u8fde\u63a5\uff0c\u8fd9\u5c06\u9632\u6b62 mysql \u5173\u95ed\u7a7a\u95f2\u8fde\u63a5\u3002 \u8bf7\u6ce8\u610f\uff0c\u6b64\u89e3\u51b3\u65b9\u6848\u4ec5\u9002\u7528\u4e8e mysql \u6570\u636e\u5e93\u3002\u5bf9\u4e8e\u5176\u4ed6\u6570\u636e\u5e93\uff0c\u6b64\u8b66\u544a\u53ef\u80fd\u8868\u793a\u5b58\u5728\u6f5c\u5728\u95ee\u9898\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u8c03\u67e5\u3002 \u4ee5\u4e0a\u5c31\u662fDruid \u8fde\u63a5\u8d85\u65f6\u8b66\u544a\uff1a\u5982\u4f55\u7406\u89e3\u548c\u89e3\u51b3\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-25847","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25847","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=25847"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25847\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=25847"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=25847"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=25847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}