{"id":52301,"date":"2024-12-03T12:55:41","date_gmt":"2024-12-03T04:55:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52301\/"},"modified":"2024-12-03T12:55:41","modified_gmt":"2024-12-03T04:55:41","slug":"linux%e6%9f%a5%e7%9c%8b%e5%86%85%e5%ad%98%e5%a4%a7%e5%b0%8f%e7%9a%84%e5%91%bd%e4%bb%a4%e6%98%af%e5%93%aa%e4%b8%aa","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52301\/","title":{"rendered":"linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300alinux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<blockquote>\n<p>linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u201cfree\u201d\u547d\u4ee4\uff1b\u901a\u8fc7\u201cfree\u201d\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u5927\u5c0f\u5355\u4f4d\u4e3aKB\uff1b\u901a\u8fc7\u201cfree -m\u201d\u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u5927\u5c0f\u5355\u4f4d\u4e3aMB\uff1b\u901a\u8fc7\u201cfree -g\u201d\u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u5927\u5c0f\u5355\u4f4d\u4e3aGB\u3002<\/p>\n<\/blockquote>\n<p><strong>\u901a\u8fc7 free \u547d\u4ee4\u67e5\u770bLinux\u7cfb\u7edf\u5b9e\u9645\u53ef\u7528\u5185\u5b58\u5927\u5c0f<\/strong><\/p>\n<h4>\u4e00\u3001free \u547d\u4ee4<\/h4>\n<p>\u901a\u8fc7 <code>free<\/code> \u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u5927\u5c0f\u5355\u4f4d\u4e3a KB\uff0c\u6267\u884c\u7ed3\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<br \/><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240421\/171370893766251f89cd5f5.jpg\" class=\"aligncenter\" title=\"linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a\u63d2\u56fe\" alt=\"linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a\u63d2\u56fe\" \/><br \/> \u901a\u8fc7 <code>free -m<\/code> \u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u5927\u5c0f\u5355\u4f4d\u4e3a MB\uff0c\u6267\u884c\u7ed3\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<br \/><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240421\/171370893766251f89d03c5.jpg\" class=\"aligncenter\" title=\"linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a\u63d2\u56fe1\" alt=\"linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a\u63d2\u56fe1\" \/><br \/> \u901a\u8fc7 <code>free -g<\/code> \u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u5927\u5c0f\u5355\u4f4d\u4e3a GB\uff0c\u6267\u884c\u7ed3\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<br \/><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240421\/171370893766251f89d1854.jpg\" class=\"aligncenter\" title=\"linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a\u63d2\u56fe2\" alt=\"linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a\u63d2\u56fe2\" \/><\/p>\n<h4>\u4e8c\u3001\u5b9e\u9645\u53ef\u7528\u5185\u5b58\u5927\u5c0f\u8ba1\u7b97<\/h4>\n<p>\u4ece\u4e0a\u65b9\u7684\u56fe\u7247\u5f97\u77e5\uff0c <code>free<\/code> \u547d\u4ee4\u6267\u884c\u5b8c\u6210\u540e\uff0c\u4f1a\u663e\u793a <code>Mem<\/code>\u3001<code>Swap<\/code> \u4e24\u884c\u6570\u636e\uff0c\u5176\u4e2d <code>Mem<\/code> \u8868\u793a\u7269\u7406\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\uff0c<code>Swap<\/code> \u8868\u793a Swap \u5206\u533a\u7684\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n<blockquote>\n<p>\u4ec0\u4e48\u662f Swap \u5206\u533a\uff1f<br \/> Swap \u5206\u533a\u662f\u64cd\u4f5c\u7cfb\u7edf\u5728\u786c\u76d8\u4e0a\u5f00\u8f9f\u7684\u4e00\u5757\u7a7a\u95f4\uff0c\u5f53\u7269\u7406\u5185\u5b58\u5757\u88ab\u8017\u5c3d\u65f6\uff0c\u7cfb\u7edf\u4f1a\u5c06\u4e00\u4e9b\u957f\u65f6\u95f4\u6ca1\u6709\u4f7f\u7528\u7684\u8fdb\u7a0b\u7684\u5185\u5b58\u8f6c\u79fb\u5230 Swap \u5206\u533a\uff1b\u5f53\u7269\u7406\u5185\u5b58\u88ab\u91ca\u653e\u540e\uff0cSwap \u533a\u7684\u6570\u636e\u4f1a\u968f\u7740\u8fdb\u7a0b\u7684\u4f7f\u7528\u9010\u6b65\u56de\u5230\u7269\u7406\u5185\u5b58\u4e2d\u3002<\/p>\n<\/blockquote>\n<p><strong>1\u3001Mem \u5c5e\u6027\u8bf4\u660e\u89c1\u4e0b\u8868\uff1a<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u5c5e\u6027<\/th>\n<th>\u5c5e\u6027\u503c<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>total<\/td>\n<td>8192MB<\/td>\n<td>\u603b\u7269\u7406\u5185\u5b58\u5927\u5c0f<\/td>\n<\/tr>\n<tr>\n<td>used<\/td>\n<td>601MB<\/td>\n<td>\u5df2\u4f7f\u7528\u7269\u7406\u5185\u5b58\u5927\u5c0f<\/td>\n<\/tr>\n<tr>\n<td>free<\/td>\n<td>3998MB<\/td>\n<td>\u672a\u5206\u914d\u7269\u7406\u5185\u5b58\u5927\u5c0f<\/td>\n<\/tr>\n<tr>\n<td>shared<\/td>\n<td>0MB<\/td>\n<td>\u5171\u4eab\u7684\u7269\u7406\u5185\u5b58\u5927\u5c0f<\/td>\n<\/tr>\n<tr>\n<td>buff\/cache<\/td>\n<td>3591MB<\/td>\n<td>\u4e3a\u4e86\u63d0\u9ad8\u7cfb\u7edf\u7684\u8bfb\u5199\u901f\u5ea6\uff08\u5305\u542b\u78c1\u76d8\u5feb\u7684\u8bfb\u5199\uff0c\u6587\u4ef6 inode \u7684\u8bfb\u5199\u7b49\uff09\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c06\u90e8\u5206\u5185\u5b58\u4f5c\u4e3a\u7f13\u5b58\u4f7f\u7528\uff0c\u8be5\u6570\u503c\u4e3a\u7f13\u5b58\u5360\u7528\u7684\u7269\u7406\u5185\u5b58\u5927\u5c0f<\/td>\n<\/tr>\n<tr>\n<td>available<\/td>\n<td>3998MB<\/td>\n<td>\u53ef\u7528\u7684\u7269\u7406\u5185\u5b58\u5927\u5c0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>2\u3001Swap \u5c5e\u6027\u8bf4\u660e\u89c1\u4e0b\u8868\uff1a<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u5c5e\u6027<\/th>\n<th>\u5c5e\u6027\u503c<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>total<\/td>\n<td>0MB<\/td>\n<td>Swap \u5206\u533a\u7684\u603b\u5927\u5c0f<\/td>\n<\/tr>\n<tr>\n<td>used<\/td>\n<td>0MB<\/td>\n<td>\u5df2\u4f7f\u7528\u7684 Swap \u5206\u533a\u5927\u5c0f<\/td>\n<\/tr>\n<tr>\n<td>free<\/td>\n<td>0MB<\/td>\n<td>\u672a\u4f7f\u7528\u7684 Swap \u5206\u533a\u5927\u5c0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>3\u3001\u4e0d\u8003\u8651 Swap \u5206\u533a<\/strong><br \/> \u6839\u636e\u4e0a\u8868\uff0c\u5728\u4e0d\u8003\u8651 Swap \u5206\u533a\u7684\u60c5\u51b5\u4e0b\uff0c\u5185\u5b58\u8ba1\u7b97\u5982\u4e0b\uff1a<br \/> \u603b\u5185\u5b58\u5927\u5c0f\uff1aMem.total = Mem.used + Mem.free + Mem.shared + Mem.buff\/cache<br \/> \u7406\u8bba\u4e0a\u5b9e\u9645\u53ef\u7528\u5185\u5b58\u5927\u5c0f\uff1aMem.actual = Mem.total &#8211; Mem.used &#8211; Mem.shared = Mem.free + Mem.buff\/cache<\/p>\n<p><strong>4\u3001\u8003\u8651 Swap \u5206\u533a<\/strong><br \/> \u6839\u636e\u4e0a\u8868\uff0c\u5728\u8003\u8651 Swap \u5206\u533a\u7684\u60c5\u51b5\u4e0b\uff0c\u5185\u5b58\u8ba1\u7b97\u5982\u4e0b\uff1a<br \/> \u603b\u5185\u5b58\u5927\u5c0f\uff1aMem.total = Mem.used + Mem.free + Mem.shared + Mem.buff\/cache<br \/> \u7406\u8bba\u4e0a\u5b9e\u9645\u53ef\u7528\u5185\u5b58\u5927\u5c0f\uff1aMem.actual = Mem.total &#8211; Mem.used &#8211; Mem.shared + Swap.free = Mem.free + Mem.buff\/cache + Swap.free<\/p>\n<p><strong>5\u3001\u7cfb\u7edf\u5efa\u8bae\u7684\u53ef\u7528\u5927\u5c0f available<\/strong><br \/> available \u5b98\u65b9\u5b9a\u4e49\uff1a<\/p>\n<blockquote>\n<p>MemAvailable: An estimate of how much memory is available for starting new applications, without swapping. Calculated from MemFree, SReclaimable, the size of the file LRU lists, and the low watermarks in each zone. The estimate takes into account that the system needs some page cache to function well, and that not all reclaimable slab will be reclaimable, due to items being in use. The impact of those factors will vary from system to system.<\/p>\n<\/blockquote>\n<p>available \u7ffb\u8bd1\uff1a<\/p>\n<blockquote>\n<p>memavailable\uff1a\u5b83\u662f\u4e00\u4e2a\u4f30\u8ba1\u503c\uff0c\u5728\u4e0d\u8003\u8651 Swap \u5206\u533a\u7684\u60c5\u51b5\u4e0b\uff0c\u4f30\u7b97\u6709\u591a\u5c11\u5185\u5b58\u53ef\u7528\u4e8e\u542f\u52a8\u65b0\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u6839\u636e memfree\u3001\u53ef\u56de\u6536\u7684page cache\u3001slab cache\u3001LRU\u961f\u5217\u7684\u5927\u5c0f\u4ee5\u53ca\u6bcf\u4e2a\u533a\u57df\u4e2d\u7684\u4f4e\u6c34\u4f4d\u7ebf\u8fdb\u884c\u8ba1\u7b97\u3002\u8be5\u4f30\u8ba1\u8003\u8651\u5230\u7cfb\u7edf\u9700\u8981\u4e00\u4e9b page cache \u624d\u80fd\u6b63\u5e38\u8fd0\u884c\uff0c\u800c\u4e14\u7531\u4e8e\u67d0\u4e9b\u7a0b\u5e8f\u6b63\u5728\u4f7f\u7528\uff0c\u5e76\u975e\u6240\u6709\u53ef\u56de\u6536\u7684 slab \u90fd\u53ef\u4ee5\u56de\u6536\u3002\u8fd9\u4e9b\u56e0\u7d20\u7684\u5f71\u54cd\u56e0\u7cfb\u7edf\u800c\u5f02\u3002<\/p>\n<\/blockquote>\n<p>available \u8ba1\u7b97\u516c\u5f0f\u89c1\u4e0b\u56fe\uff1a<br \/><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240421\/171370893766251f89d54e5.jpg\" class=\"aligncenter\" title=\"linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a\u63d2\u56fe3\" alt=\"linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a\u63d2\u56fe3\" \/><\/p>\n<p>\u516c\u5f0f\u6982\u62ec\u4e3a\uff1a<br \/> Mem.available = Mem.free + PageCache.size + SlabCache.size &#8211; WaterMark.low<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5c5e\u6027<\/th>\n<th>\u5c5e\u6027\u503c<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>PageCache.size<\/td>\n<td>0MB<\/td>\n<td>\u53ef\u4ee5\u56de\u6536\u7684 PageCache \u5927\u5c0f\uff0c\u8ba1\u7b97\u516c\u5f0f\u89c1\u4e0a\u56fe<\/td>\n<\/tr>\n<tr>\n<td>SlabCache.size<\/td>\n<td>0MB<\/td>\n<td>\u53ef\u4ee5\u56de\u6536\u7684 SlabCache \u5927\u5c0f \uff0c\u8ba1\u7b97\u516c\u5f0f\u89c1\u4e0a\u56fe<\/td>\n<\/tr>\n<tr>\n<td>WaterMark.low<\/td>\n<td>0MB<\/td>\n<td>\u652f\u6301\u7cfb\u7edf\u4f7f\u7528\u7684\u6700\u4f4e\u6c34\u4f4d\u7ebf\uff0c\u8ba1\u7b97\u516c\u5f0f\u89c1\u4e0a\u56fe<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300alinux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a \u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300alinux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u54ea\u4e2a\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002 linux\u67e5\u770b\u5185\u5b58\u5927\u5c0f\u7684\u547d\u4ee4\u662f\u201cfree\u201d\u547d\u4ee4\uff1b\u901a\u8fc7\u201cfree\u201d\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u5927\u5c0f\u5355\u4f4d\u4e3aKB\uff1b\u901a\u8fc7\u201cfree -m\u201d\u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u5927\u5c0f\u5355\u4f4d\u4e3aMB\uff1b\u901a\u8fc7\u201cfree -g\u201d\u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u5927\u5c0f\u5355\u4f4d\u4e3aGB\u3002 \u901a\u8fc7 free \u547d\u4ee4\u67e5\u770bLinux\u7cfb\u7edf\u5b9e\u9645\u53ef\u7528\u5185\u5b58\u5927\u5c0f \u4e00\u3001free \u547d\u4ee4 \u901a\u8fc7 free \u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u5927\u5c0f\u5355\u4f4d\u4e3a KB\uff0c\u6267\u884c\u7ed3\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff1a \u901a\u8fc7 free -m \u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u5927\u5c0f\u5355\u4f4d\u4e3a MB\uff0c\u6267\u884c\u7ed3\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff1a \u901a\u8fc7 free -g \u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u5927\u5c0f\u5355\u4f4d\u4e3a GB\uff0c\u6267\u884c\u7ed3\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff1a \u4e8c\u3001\u5b9e\u9645\u53ef\u7528\u5185\u5b58\u5927\u5c0f\u8ba1\u7b97 \u4ece\u4e0a\u65b9\u7684\u56fe\u7247\u5f97\u77e5\uff0c free \u547d\u4ee4\u6267\u884c\u5b8c\u6210\u540e\uff0c\u4f1a\u663e\u793a Mem\u3001Swap \u4e24\u884c\u6570\u636e\uff0c\u5176\u4e2d Mem \u8868\u793a\u7269\u7406\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\uff0cSwap \u8868\u793a Swap \u5206\u533a\u7684\u4f7f\u7528\u60c5\u51b5\u3002 \u4ec0\u4e48\u662f Swap \u5206\u533a\uff1f Swap \u5206\u533a\u662f\u64cd\u4f5c\u7cfb\u7edf\u5728\u786c\u76d8\u4e0a\u5f00\u8f9f\u7684\u4e00\u5757\u7a7a\u95f4\uff0c\u5f53\u7269\u7406\u5185\u5b58\u5757\u88ab\u8017\u5c3d\u65f6\uff0c\u7cfb\u7edf\u4f1a\u5c06\u4e00\u4e9b\u957f\u65f6\u95f4\u6ca1\u6709\u4f7f\u7528\u7684\u8fdb\u7a0b\u7684\u5185\u5b58\u8f6c\u79fb\u5230 Swap \u5206\u533a\uff1b\u5f53\u7269\u7406\u5185\u5b58\u88ab\u91ca\u653e\u540e\uff0cSwap \u533a\u7684\u6570\u636e\u4f1a\u968f\u7740\u8fdb\u7a0b\u7684\u4f7f\u7528\u9010\u6b65\u56de\u5230\u7269\u7406\u5185\u5b58\u4e2d\u3002 1\u3001Mem \u5c5e\u6027\u8bf4\u660e\u89c1\u4e0b\u8868\uff1a \u5c5e\u6027 \u5c5e\u6027\u503c \u8bf4\u660e total 8192MB \u603b\u7269\u7406\u5185\u5b58\u5927\u5c0f used 601MB \u5df2\u4f7f\u7528\u7269\u7406\u5185\u5b58\u5927\u5c0f 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