{"id":16489,"date":"2023-12-05T10:36:54","date_gmt":"2023-12-05T02:36:54","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=16489"},"modified":"2023-12-16T10:39:16","modified_gmt":"2023-12-16T02:39:16","slug":"elasticsearch-zai-bu-shu-shi-duilinux-de-she-zhi-y-3","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/05\/elasticsearch-zai-bu-shu-shi-duilinux-de-she-zhi-y-3\/","title":{"rendered":"Elasticsearch\u5728\u90e8\u7f72\u65f6\uff0c\u5bf9Linux\u7684\u8bbe\u7f6e\u6709\u54ea\u4e9b\u4f18\u5316\u65b9\u6cd5\uff1f"},"content":{"rendered":"<p>\u5728\u90e8\u7f72Elasticsearch\u65f6\uff0c\u5bf9Linux\u7cfb\u7edf\u8fdb\u884c\u4f18\u5316\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3001\u7a33\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u901a\u7528\u7684\u4f18\u5316\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8003\u8651\u5728\u90e8\u7f72Elasticsearch\u65f6\u5e94\u7528\u5230Linux\u7cfb\u7edf\u4e0a\uff1a<\/p>\n<ol>\n<li>\n<strong>\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236\uff1a<\/strong><\/p>\n<ul>\n<li>Elasticsearch\u53ef\u80fd\u4f1a\u6253\u5f00\u5927\u91cf\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u56e0\u6b64\u9700\u8981\u589e\u52a0\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u9650\u5236\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539 <code>\/etc\/security\/limits.conf<\/code> \u6587\u4ef6\u6765\u8c03\u6574\u8fd9\u4e2a\u9650\u5236\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-conf\">elasticsearch soft nofile 65536\nelasticsearch hard nofile 65536\n<\/code><\/pre>\n<p>\u7136\u540e\uff0c\u786e\u4fdd Elasticsearch \u7528\u6237\uff08\u901a\u5e38\u662f<code>elasticsearch<\/code>\uff09\u662f<code>\/etc\/security\/limits.conf<\/code>\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u7528\u6237\u3002\n<\/li>\n<li>\n<strong>\u865a\u62df\u5185\u5b58\u8bbe\u7f6e\uff1a<\/strong><\/p>\n<ul>\n<li>\u914d\u7f6e\u865a\u62df\u5185\u5b58\uff08<code>vm.max_map_count<\/code>\uff09\u4ee5\u786e\u4fdd Elasticsearch \u80fd\u591f\u521b\u5efa\u8db3\u591f\u7684\u865a\u62df\u5185\u5b58\u6620\u5c04\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">sysctl -w vm.max_map_count=262144\n<\/code><\/pre>\n<p>\u82e5\u8981\u4f7f\u6b64\u66f4\u6539\u6c38\u4e45\u751f\u6548\uff0c\u5c06\u4e0a\u8ff0\u914d\u7f6e\u6dfb\u52a0\u5230 <code>\/etc\/sysctl.conf<\/code> \u6216 <code>\/etc\/sysctl.d\/99-elasticsearch.conf<\/code> \u6587\u4ef6\u4e2d\u3002\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\u80fd\u5bf9Elasticsearch\u6027\u80fd\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\uff0c\u56e0\u6b64\u5efa\u8bae\u7981\u7528\u5b83\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5728\u542f\u52a8\u65f6\u7981\u7528THP\uff1a<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">echo never &gt; \/sys\/kernel\/mm\/transparent_hugepage\/enabled\necho never &gt; \/sys\/kernel\/mm\/transparent_hugepage\/defrag\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u7981\u7528THP\uff0c\u53ef\u4ee5\u5c06\u4e0a\u8ff0\u547d\u4ee4\u6dfb\u52a0\u5230\u542f\u52a8\u811a\u672c\u4e2d\uff0c\u6bd4\u5982 <code>\/etc\/rc.local<\/code>\u3002\n<\/li>\n<li>\n<strong>\u7981\u7528SWAP\u5206\u533a\uff1a<\/strong><\/p>\n<ul>\n<li>Elasticsearch \u9ad8\u5ea6\u4f9d\u8d56\u5185\u5b58\uff0c\u56e0\u6b64\u5efa\u8bae\u7981\u7528SWAP\u5206\u533a\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539 <code>\/etc\/fstab<\/code> \u6587\u4ef6\u6765\u6ce8\u91ca\u6389SWAP\u5206\u533a\u7684\u914d\u7f6e\u884c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u8c03\u6574JVM\u5806\u5185\u5b58\u8bbe\u7f6e\uff1a<\/strong><\/p>\n<ul>\n<li>\u914d\u7f6e Elasticsearch \u7684 JVM \u5806\u5185\u5b58\uff0c\u786e\u4fdd\u6839\u636e\u7cfb\u7edf\u8d44\u6e90\u548c Elasticsearch \u96c6\u7fa4\u7684\u89c4\u6a21\u6765\u8fdb\u884c\u8c03\u6574\u3002\u4fee\u6539<code>\/etc\/elasticsearch\/jvm.options<\/code>\u6587\u4ef6\u6765\u8c03\u6574\u5806\u5185\u5b58\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u4f7f\u7528\u672c\u5730\u78c1\u76d8\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u53ef\u80fd\uff0c\u8003\u8651\u4f7f\u7528\u672c\u5730\u78c1\u76d8\u800c\u4e0d\u662f\u7f51\u7edc\u9644\u52a0\u5b58\u50a8\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u7f51\u7edc\u8bbe\u7f6e\uff1a<\/strong><\/p>\n<ul>\n<li>\u6839\u636e\u96c6\u7fa4\u89c4\u6a21\u8c03\u6574Linux\u7684\u7f51\u7edc\u53c2\u6570\uff0c\u4f8b\u5982<code>net.core.somaxconn<\/code>\u3001<code>net.ipv4.tcp_tw_reuse<\/code>\u7b49\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u80fd\u591f\u5904\u7406\u66f4\u591a\u7684\u5e76\u53d1\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u5b89\u5168\u6027\u914d\u7f6e\uff1a<\/strong><\/p>\n<ul>\n<li>\u8bbe\u7f6e\u9632\u706b\u5899\u89c4\u5219\uff0c\u9650\u5236\u5bf9 Elasticsearch \u7aef\u53e3\u7684\u8bbf\u95ee\u3002\u786e\u4fdd\u53ea\u6709\u5fc5\u8981\u7684\u7aef\u53e3\u5bf9\u5916\u5f00\u653e\uff0c\u5e76\u9650\u5236\u8bbf\u95ee\u6743\u9650\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u5347\u7ea7Linux\u5185\u6838\uff1a<\/strong><\/p>\n<ul>\n<li>\u4fdd\u6301Linux\u5185\u6838\u7248\u672c\u6700\u65b0\uff0c\u4ee5\u83b7\u53d6\u6700\u65b0\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u6539\u8fdb\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u5728\u8fdb\u884c\u4f18\u5316\u4e4b\u524d\uff0c\u8bf7\u52a1\u5fc5\u5907\u4efd\u5173\u952e\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u5e76\u6d4b\u8bd5\u8fd9\u4e9b\u4f18\u5316\u662f\u5426\u5bf9\u4f60\u7684\u5177\u4f53\u4f7f\u7528\u60c5\u51b5\u4ea7\u751f\u4e86\u79ef\u6781\u7684\u5f71\u54cd\u3002\u6ce8\u610f\uff0c\u4e0d\u540c\u7248\u672c\u7684 Elasticsearch \u548c\u4e0d\u540c\u7684\u786c\u4ef6\u914d\u7f6e\u53ef\u80fd\u9700\u8981\u4e0d\u540c\u7684\u8c03\u6574\u3002\u6700\u597d\u6839\u636e\u5b98\u65b9\u6587\u6863\u548c\u6027\u80fd\u6d4b\u8bd5\u7ed3\u679c\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u90e8\u7f72Elasticsearch\u65f6\uff0c\u5bf9Linux\u7cfb\u7edf\u8fdb\u884c\u4f18\u5316\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3001\u7a33\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u901a\u7528\u7684\u4f18\u5316 [&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-16489","post","type-post","status-publish","format-standard","hentry","category-elasticsearch"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16489","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=16489"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16489\/revisions"}],"predecessor-version":[{"id":48386,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/16489\/revisions\/48386"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=16489"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=16489"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=16489"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}