{"id":16352,"date":"2023-12-05T10:13:18","date_gmt":"2023-12-05T02:13:18","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=16352"},"modified":"2023-12-16T11:51:21","modified_gmt":"2023-12-16T03:51:21","slug":"elasticsearch-zai-bu-shu-shi-duilinux-de-she-zhi-y","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/05\/elasticsearch-zai-bu-shu-shi-duilinux-de-she-zhi-y\/","title":{"rendered":"Elasticsearch\u5728\u90e8\u7f72\u65f6\uff0c\u5bf9Linux\u7684\u8bbe\u7f6e\u6709\u54ea\u4e9b\u4f18\u5316\u65b9\u6cd5"},"content":{"rendered":"<p>\u5728\u90e8\u7f72Elasticsearch\u65f6\uff0c\u5bf9Linux\u8fdb\u884c\u4e00\u4e9b\u4f18\u5316\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f18\u5316\u65b9\u6cd5\uff1a<\/p>\n<ol>\n<li>\n<strong>\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236\uff1a<\/strong><\/p>\n<ul>\n<li>Elasticsearch\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u9700\u8981\u5927\u91cf\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002\u786e\u4fddLinux\u7cfb\u7edf\u4e0a\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236\u8db3\u591f\u5927\uff0c\u4ee5\u6ee1\u8db3Elasticsearch\u7684\u9700\u8981\u3002\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539<code>\/etc\/security\/limits.conf<\/code>\u6587\u4ef6\u6765\u8bbe\u7f6e\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-plaintext\">elasticsearch soft nofile 65536\nelasticsearch hard nofile 65536\n<\/code><\/pre>\n<ul>\n<li>\u540c\u65f6\uff0c\u786e\u4fdd<code>\/etc\/sysctl.conf<\/code>\u4e2d\u7684<code>fs.file-max<\/code>\u8bbe\u7f6e\u8db3\u591f\u5927\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-plaintext\">fs.file-max = 65536\n<\/code><\/pre>\n<\/li>\n<li>\n<strong>\u7981\u7528\u4ea4\u6362\u5206\u533a\uff1a<\/strong><\/p>\n<ul>\n<li>Elasticsearch\u901a\u5e38\u4e0d\u5e0c\u671b\u5728\u4ea4\u6362\u5206\u533a\u4e0a\u8fdb\u884c\u4ea4\u6362\uff0c\u56e0\u4e3a\u8fd9\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u6765\u7981\u7528\u4ea4\u6362\u5206\u533a\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">sudo swapoff -a\n<\/code><\/pre>\n<ul>\n<li>\u540c\u65f6\uff0c\u5c06\u4ea4\u6362\u5206\u533a\u6ce8\u91ca\u6389\u6216\u8bbe\u7f6e\u4e3a\u8f83\u5c0f\u7684\u503c\uff0c\u4ee5\u907f\u514d\u7cfb\u7edf\u81ea\u52a8\u542f\u7528\u4ea4\u6362\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-plaintext\"># \/etc\/fstab\n# Comment out or reduce swap entry\n# \/dev\/mapper\/centos-swap swap                    swap    defaults        0 0\n<\/code><\/pre>\n<\/li>\n<li>\n<strong>\u7981\u7528\u900f\u660e\u5927\u9875\uff08Transparent Huge Pages\uff0cTHP\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>THP\u53ef\u4ee5\u901a\u8fc7\u5c06\u5185\u5b58\u9875\u9762\u5408\u5e76\u4e3a\u5927\u9875\u6765\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u5bfc\u81f4Elasticsearch\u6027\u80fd\u95ee\u9898\u3002\u5efa\u8bae\u7981\u7528THP\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">echo never &gt; \/sys\/kernel\/mm\/transparent_hugepage\/enabled\n<\/code><\/pre>\n<ul>\n<li>\u5c06\u4e0a\u8ff0\u547d\u4ee4\u6dfb\u52a0\u5230\u542f\u52a8\u811a\u672c\u4e2d\uff0c\u4ee5\u786e\u4fdd\u5728\u7cfb\u7edf\u91cd\u65b0\u542f\u52a8\u65f6\u4fdd\u6301\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u8c03\u6574\u865a\u62df\u5185\u5b58\u8bbe\u7f6e\uff1a<\/strong><\/p>\n<ul>\n<li>\u8c03\u6574\u865a\u62df\u5185\u5b58\u53c2\u6570\uff0c\u786e\u4fddElasticsearch\u80fd\u591f\u5145\u5206\u5229\u7528\u53ef\u7528\u7684\u5185\u5b58\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">sysctl -w vm.max_map_count=262144\n<\/code><\/pre>\n<ul>\n<li>\u5c06\u4e0a\u8ff0\u547d\u4ee4\u6dfb\u52a0\u5230\u542f\u52a8\u811a\u672c\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u8c03\u6574\u7ebf\u7a0b\u6570\u548c\u6587\u4ef6\u6253\u5f00\u9650\u5236\uff1a<\/strong><\/p>\n<ul>\n<li>\u6839\u636e\u7cfb\u7edf\u8d44\u6e90\uff0c\u8c03\u6574Elasticsearch\u7684\u7ebf\u7a0b\u6570\u548c\u6587\u4ef6\u6253\u5f00\u9650\u5236\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-plaintext\">thread_pool.search.size: 8\nthread_pool.index.size: 8\n<\/code><\/pre>\n<pre><code class=\"language-plaintext\">indices.query.bool.max_clause_count: 2048\n<\/code><\/pre>\n<pre><code class=\"language-plaintext\">ulimit -n 65536\n<\/code><\/pre>\n<ul>\n<li>\u5c06\u4e0a\u8ff0\u8bbe\u7f6e\u6dfb\u52a0\u5230Elasticsearch\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u7981\u7528\u591a\u64ad\u53d1\u73b0\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u96c6\u7fa4\u4e2d\u7684\u8282\u70b9\u90fd\u5728\u540c\u4e00\u5b50\u7f51\u4e0a\uff0c\u53ef\u4ee5\u7981\u7528\u591a\u64ad\u53d1\u73b0\uff0c\u800c\u4f7f\u7528\u5355\u64ad\u53d1\u73b0\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-plaintext\">discovery.zen.ping.multicast.enabled: false\n<\/code><\/pre>\n<ul>\n<li>\u4f7f\u7528\u5355\u64ad\u53d1\u73b0\u914d\u7f6e\u8282\u70b9\u7684IP\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u4f18\u5316\u65b9\u6cd5\u662f\u901a\u7528\u7684\uff0c\u5b9e\u9645\u7684\u4f18\u5316\u7b56\u7565\u53ef\u80fd\u8fd8\u8981\u8003\u8651\u5177\u4f53\u7684\u786c\u4ef6\u914d\u7f6e\u3001\u96c6\u7fa4\u89c4\u6a21\u548c\u5de5\u4f5c\u8d1f\u8f7d\u7b49\u56e0\u7d20\u3002\u5728\u90e8\u7f72\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u6839\u636e\u5177\u4f53\u60c5\u51b5\u8c03\u6574\u8fd9\u4e9b\u4f18\u5316\u8bbe\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u90e8\u7f72Elasticsearch\u65f6\uff0c\u5bf9Linux\u8fdb\u884c\u4e00\u4e9b\u4f18\u5316\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f18\u5316\u65b9\u6cd5\uff1a  [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[],"class_list":["post-16352","post","type-post","status-publish","format-standard","hentry","category-elasticsearch"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=16352"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16352\/revisions"}],"predecessor-version":[{"id":48448,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16352\/revisions\/48448"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=16352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=16352"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=16352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}