{"id":33509,"date":"2025-03-07T10:38:51","date_gmt":"2025-03-07T02:38:51","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=33509"},"modified":"2025-03-07T10:38:51","modified_gmt":"2025-03-07T02:38:51","slug":"skywalking%e7%9a%84%e5%ad%98%e5%82%a8%e6%96%b9%e6%a1%88%e5%92%8c%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e7%ad%96%e7%95%a5%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/33509.html","title":{"rendered":"SkyWalking\u7684\u5b58\u50a8\u65b9\u6848\u548c\u6027\u80fd\u4f18\u5316\u7b56\u7565\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<p style=\"text-align: center;\">\n<p><img decoding=\"async\" src=\"https:\/\/www.yunshan.net\/blog\/wp-content\/uploads\/2025\/03\/6QYLlS.jpg\" alt=\"SkyWalking\u7684\u5b58\u50a8\u65b9\u6848\u548c\u6027\u80fd\u4f18\u5316\u7b56\u7565\u6709\u54ea\u4e9b\uff1f\" ><\/p>\n<\/p>\n<hr>\n<p>\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u76d1\u63a7\u9886\u57df\uff0c<strong><a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">SkyWalking<\/a><\/strong>\u51ed\u501f\u5176\u8f7b\u91cf\u7ea7\u67b6\u6784\u548c\u5f3a\u5927\u7684\u94fe\u8def\u8ffd\u8e2a\u80fd\u529b\uff0c\u5df2\u6210\u4e3a\u4f17\u591a\u4f01\u4e1a\u7684\u9996\u9009\u5de5\u5177\u3002\u7136\u800c\uff0c\u968f\u7740\u4e1a\u52a1\u89c4\u6a21\u7684\u6269\u5927\uff0c\u6d77\u91cf\u76d1\u63a7\u6570\u636e\u7684\u5b58\u50a8\u4e0e\u67e5\u8be2\u6027\u80fd\u74f6\u9888\u9010\u6e10\u663e\u73b0\u3002\u5982\u4f55\u901a\u8fc7\u5408\u7406\u7684\u5b58\u50a8\u65b9\u6848\u8bbe\u8ba1\u4e0e\u6027\u80fd\u4f18\u5316\u7b56\u7565\uff0c\u786e\u4fdd\u7cfb\u7edf\u5728\u9ad8\u5e76\u53d1\u3001\u5927\u6570\u636e\u91cf\u573a\u666f\u4e0b\u7a33\u5b9a\u8fd0\u884c\uff0c\u6210\u4e3a\u8fd0\u7ef4\u56e2\u961f\u5173\u6ce8\u7684\u7126\u70b9\u3002\u672c\u6587\u5c06\u6df1\u5165\u5256\u6790<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">SkyWalking<\/a>\u7684\u5b58\u50a8\u673a\u5236\uff0c\u5e76\u63ed\u793a\u5176\u6027\u80fd\u4f18\u5316\u7684\u6838\u5fc3\u6280\u672f\u8def\u5f84\u3002<\/p>\n<hr>\n<h3 id=\"\u4e00-skywalking\u5b58\u50a8\u65b9\u6848\u7684\u6838\u5fc3\u8bbe\u8ba1\">\u4e00\u3001SkyWalking\u5b58\u50a8\u65b9\u6848\u7684\u6838\u5fc3\u8bbe\u8ba1<\/h3>\n<p>SkyWalking\u652f\u6301\u591a\u79cd\u5b58\u50a8\u540e\u7aef\uff0c\u5305\u62ec<strong>Elasticsearch<\/strong>\u3001MySQL\u3001TiDB\u3001H2\u7b49\uff0c\u5176\u4e2d*Elasticsearch*\u56e0\u5176\u5206\u5e03\u5f0f\u7279\u6027\u4e0e\u9ad8\u6548\u68c0\u7d22\u80fd\u529b\u6210\u4e3a\u4e3b\u6d41\u9009\u62e9\u3002\u5176\u5b58\u50a8\u65b9\u6848\u56f4\u7ed5\u4ee5\u4e0b\u4e09\u5927\u6838\u5fc3\u539f\u5219\u6784\u5efa\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u5206\u5c42\u5b58\u50a8\u6a21\u578b<\/strong><br \/>\nSkyWalking\u5c06\u6570\u636e\u5206\u4e3a<strong>Metrics\uff08\u6307\u6807\uff09<\/strong>\u3001<strong>Trace\uff08\u94fe\u8def\uff09<\/strong>\u3001<strong>Log\uff08\u65e5\u5fd7\uff09<\/strong>\u4e09\u7c7b\uff0c\u5206\u522b\u8bbe\u8ba1\u5b58\u50a8\u7ed3\u6784\u3002\u4f8b\u5982\uff0c\u94fe\u8def\u6570\u636e\u91c7\u7528\u6811\u5f62\u7ed3\u6784\u538b\u7f29\u5b58\u50a8\uff0c\u901a\u8fc7\u9884\u805a\u5408\u964d\u4f4e\u7d22\u5f15\u538b\u529b\uff1b\u6307\u6807\u6570\u636e\u5219\u6309\u65f6\u95f4\u7a97\u53e3\u5206\u7247\uff0c\u63d0\u5347\u65f6\u5e8f\u67e5\u8be2\u6548\u7387\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u52a8\u6001\u7d22\u5f15\u7ba1\u7406<\/strong><br \/>\n\u5728Elasticsearch\u573a\u666f\u4e0b\uff0cSkyWalking\u91c7\u7528<strong>\u6309\u65f6\u95f4\u5206\u7247\uff08Time-based Index Sharding\uff09<\/strong>\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u9ed8\u8ba4\u6309\u5929\u521b\u5efa\u7d22\u5f15\uff08\u5982<code>sw_metrics-20231101<\/code>\uff09\uff0c\u7ed3\u5408*\u7d22\u5f15\u751f\u547d\u5468\u671f\u7ba1\u7406\uff08ILM\uff09*\u81ea\u52a8\u6eda\u52a8\u66f4\u65b0\u65e7\u6570\u636e\uff0c\u907f\u514d\u5355\u7d22\u5f15\u8fc7\u5927\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6570\u636e\u538b\u7f29\u4e0e\u964d\u91c7\u6837<\/strong><br \/>\n\u9488\u5bf9\u957f\u671f\u5b58\u50a8\u9700\u6c42\uff0cSkyWalking\u652f\u6301<strong>\u964d\u91c7\u6837\uff08Downsampling\uff09<\/strong>\u6280\u672f\u3002\u539f\u59cb\u9ad8\u7cbe\u5ea6\u6570\u636e\u4fdd\u7559\u77ed\u671f\uff08\u59827\u5929\uff09\uff0c\u964d\u91c7\u6837\u540e\u7684\u4f4e\u7cbe\u5ea6\u6570\u636e\uff08\u5982\u6309\u5c0f\u65f6\u805a\u5408\uff09\u53ef\u5b58\u50a8\u6570\u6708\uff0c\u51cf\u5c11\u5b58\u50a8\u6210\u672c\u7684\u540c\u65f6\u4fdd\u969c\u5386\u53f2\u8d8b\u52bf\u5206\u6790\u80fd\u529b\u3002<\/p>\n<\/li>\n<\/ol>\n<hr>\n<h3 id=\"\u4e8c-\u6027\u80fd\u4f18\u5316\u7b56\u7565\u7684\u56db\u5927\u7ef4\u5ea6\">\u4e8c\u3001\u6027\u80fd\u4f18\u5316\u7b56\u7565\u7684\u56db\u5927\u7ef4\u5ea6<\/h3>\n<h4 id=\"1-\u67b6\u6784\u5c42\u9762\u7684\u4f18\u5316\">1. \u67b6\u6784\u5c42\u9762\u7684\u4f18\u5316<\/h4>\n<ul>\n<li>\n<p><strong>\u5f02\u6b65\u6279\u5904\u7406\u673a\u5236<\/strong><br \/>\nAgent\u7aef\u91c7\u7528<strong>\u6279\u91cf\u4e0a\u62a5<\/strong>\u6a21\u5f0f\uff0c\u9ed8\u8ba4\u6bcf3\u79d2\u6216\u79ef\u538b500\u6761\u6570\u636e\u89e6\u53d1\u4e00\u6b21\u53d1\u9001\uff0c\u51cf\u5c11\u7f51\u7edc\u5f00\u9500\u3002\u670d\u52a1\u7aef\u901a\u8fc7*Disruptor\u9ad8\u6027\u80fd\u961f\u5217*\u5b9e\u73b0\u5185\u5b58\u7f13\u51b2\u533a\u5f02\u6b65\u5199\u5165\uff0c\u907f\u514dI\/O\u963b\u585e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7f13\u5b58\u52a0\u901f\u7b56\u7565<\/strong><br \/>\n\u9ad8\u9891\u67e5\u8be2\uff08\u5982\u670d\u52a1\u62d3\u6251\u5173\u7cfb\uff09\u4f7f\u7528<strong>\u672c\u5730\u7f13\u5b58\uff08Guava Cache\uff09<\/strong>\uff0c\u7ed3\u5408LRU\u6dd8\u6c70\u7b97\u6cd5\u51cf\u5c11\u5bf9\u5b58\u50a8\u5c42\u7684\u76f4\u63a5\u8bbf\u95ee\u3002\u9488\u5bf9Elasticsearch\uff0c\u542f\u7528<strong>\u5206\u7247\u8bf7\u6c42\u7f13\u5b58\uff08Shard Request Cache\uff09<\/strong>\uff0c\u63d0\u5347\u76f8\u540c\u67e5\u8be2\u6761\u4ef6\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n<\/li>\n<\/ul>\n<h4 id=\"2-\u5b58\u50a8\u5c42\u7684\u6df1\u5ea6\u8c03\u4f18\">2. \u5b58\u50a8\u5c42\u7684\u6df1\u5ea6\u8c03\u4f18<\/h4>\n<ul>\n<li>\n<p><strong>\u5206\u7247\u4e0e\u526f\u672c\u7684\u52a8\u6001\u5e73\u8861<\/strong><br \/>\nElasticsearch\u96c6\u7fa4\u7684\u5206\u7247\u6570\u9700\u6839\u636e\u6570\u636e\u91cf\u52a8\u6001\u8c03\u6574\u3002\u4f8b\u5982\uff0c\u5355\u4e2a\u7d22\u5f15\u5206\u7247\u6570\u5efa\u8bae\u4e3a<code>\u8282\u70b9\u6570\u00d71.5<\/code>\uff0c\u907f\u514d\u5206\u7247\u8fc7\u591a\u5f15\u53d1\u5143\u6570\u636e\u81a8\u80c0\u3002\u540c\u65f6\uff0c\u901a\u8fc7<code>index.refresh_interval<\/code>\u53c2\u6570\u63a7\u5236\u5237\u65b0\u9891\u7387\uff08\u9ed8\u8ba41\u79d2\uff09\uff0c\u5199\u5165\u5bc6\u96c6\u578b\u573a\u666f\u53ef\u9002\u5f53\u8c03\u5927\u4ee5\u51cf\u5c11Lucene\u6bb5\u5408\u5e76\u5f00\u9500\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7d22\u5f15\u6a21\u677f\u4f18\u5316<\/strong><br \/>\n\u7981\u7528\u4e0d\u5fc5\u8981\u7684\u5b57\u6bb5\u5206\u6790\uff08\u5982\u8bbe\u7f6e<code>&quot;index&quot;: &quot;not_analyzed&quot;<\/code>\uff09\uff0c\u5173\u95ed<code>_all<\/code>\u5b57\u6bb5\uff1b\u5bf9\u6570\u503c\u578b\u6307\u6807\u542f\u7528<code>doc_values<\/code>\uff0c\u63d0\u5347\u805a\u5408\u67e5\u8be2\u6027\u80fd\u3002\u901a\u8fc7\u5b9a\u5236<strong>\u7d22\u5f15\u6a21\u677f\uff08Index Template\uff09<\/strong>\uff0c\u53ef\u7edf\u4e00\u7ba1\u7406\u6570\u636e\u7ed3\u6784\u4e0e\u538b\u7f29\u7b97\u6cd5\uff08\u5982\u4f7f\u7528DEFLATE\u538b\u7f29\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<h4 id=\"3-\u67e5\u8be2\u5f15\u64ce\u7684\u667a\u80fd\u52a0\u901f\">3. \u67e5\u8be2\u5f15\u64ce\u7684\u667a\u80fd\u52a0\u901f<\/h4>\n<ul>\n<li>\n<p><strong>\u9884\u8ba1\u7b97\u4e0e\u7269\u5316\u89c6\u56fe<\/strong><br \/>\n\u9488\u5bf9\u8017\u65f6\u8f83\u957f\u7684TopN\u67e5\u8be2\uff08\u5982\u201c\u6162\u670d\u52a1\u6392\u540d\u201d\uff09\uff0cSkyWalking\u5f15\u5165<strong>Metrics Persistence Worker<\/strong>\uff0c\u5b9a\u671f\u9884\u8ba1\u7b97\u70ed\u70b9\u6307\u6807\u5e76\u5b58\u50a8\u4e3a\u7269\u5316\u89c6\u56fe\uff0c\u5c06\u5b9e\u65f6\u67e5\u8be2\u8f6c\u6362\u4e3a\u9884\u8ba1\u7b97\u7ed3\u679c\u8bfb\u53d6\uff0c\u54cd\u5e94\u65f6\u95f4\u4ece\u79d2\u7ea7\u964d\u4f4e\u81f3\u6beb\u79d2\u7ea7\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u67e5\u8be2\u526a\u679d\u6280\u672f<\/strong><br \/>\n\u5728\u94fe\u8def\u67e5\u8be2\u65f6\uff0c\u901a\u8fc7<strong>\u65f6\u95f4\u8303\u56f4\u8fc7\u6ee4<\/strong>\u548c<strong>\u6807\u7b7e\u7d22\u5f15<\/strong>\u5feb\u901f\u7f29\u5c0f\u626b\u63cf\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u6839\u636eTraceID\u7684\u54c8\u5e0c\u503c\u8def\u7531\u5230\u7279\u5b9a\u5206\u7247\uff0c\u7ed3\u5408\u65f6\u95f4\u6233\u8303\u56f4\u8fc7\u6ee4\u65e0\u6548\u6570\u636e\u5757\uff0c\u51cf\u5c11\u78c1\u76d8\u626b\u63cf\u91cf\u3002<\/p>\n<\/li>\n<\/ul>\n<h4 id=\"4-\u8d44\u6e90\u9694\u79bb\u4e0e\u9650\u6d41\u4fdd\u62a4\">4. \u8d44\u6e90\u9694\u79bb\u4e0e\u9650\u6d41\u4fdd\u62a4<\/h4>\n<ul>\n<li>\n<p><strong>\u8bfb\u5199\u5206\u79bb\u67b6\u6784<\/strong><br \/>\n\u5728Elasticsearch\u96c6\u7fa4\u4e2d\uff0c\u5c06\u8282\u70b9\u89d2\u8272\u5212\u5206\u4e3a<strong>Data\u8282\u70b9<\/strong>\u3001<strong>Coordinating\u8282\u70b9<\/strong>\u548c<strong>Master\u8282\u70b9<\/strong>\uff0c\u5b9e\u73b0\u8ba1\u7b97\u4e0e\u5b58\u50a8\u8d44\u6e90\u9694\u79bb\u3002\u901a\u8fc7\u914d\u7f6e<code>Ingest Pipeline<\/code>\u5c06\u5199\u5165\u8bf7\u6c42\u4f18\u5148\u8def\u7531\u5230\u4e13\u7528Data\u8282\u70b9\uff0c\u907f\u514d\u67e5\u8be2\u8bf7\u6c42\u62a2\u5360\u8d44\u6e90\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u9002\u5e94\u9650\u6d41\u673a\u5236<\/strong><br \/>\nSkyWalking\u540e\u7aef\u652f\u6301<strong>\u52a8\u6001\u6d41\u91cf\u63a7\u5236\uff08Dynamic Threshold\uff09<\/strong>\uff0c\u5f53\u68c0\u6d4b\u5230\u5b58\u50a8\u5c42\u54cd\u5e94\u65f6\u95f4\u8d85\u8fc7\u9608\u503c\u65f6\uff0c\u81ea\u52a8\u964d\u4f4e\u6570\u636e\u91c7\u6837\u7387\u6216\u89e6\u53d1\u7194\u65ad\uff0c\u9632\u6b62\u96ea\u5d29\u6548\u5e94\u3002\u4f8b\u5982\uff0c\u53ef\u914d\u7f6e<code>agent.sample_rate<\/code>\u6309\u670d\u52a1\u4f18\u5148\u7ea7\u52a8\u6001\u8c03\u6574\u91c7\u6837\u6bd4\u4f8b\u3002<\/p>\n<\/li>\n<\/ul>\n<hr>\n<h3 id=\"\u4e09-\u573a\u666f\u5316\u914d\u7f6e\u5b9e\u8df5\u5efa\u8bae\">\u4e09\u3001\u573a\u666f\u5316\u914d\u7f6e\u5b9e\u8df5\u5efa\u8bae<\/h3>\n<ul>\n<li>\n<p><strong>\u4e2d\u5c0f\u89c4\u6a21\u96c6\u7fa4<\/strong><br \/>\n\u5355Elasticsearch\u8282\u70b9\u573a\u666f\u4e0b\uff0c\u542f\u7528H2\u5185\u5b58\u6570\u636e\u5e93\u4f5c\u4e3a\u4e34\u65f6\u5b58\u50a8\uff0c\u914d\u5408\u6bcf\u65e5\u5b9a\u65f6\u5bfc\u51fa\u5230\u6587\u4ef6\u7cfb\u7edf\uff0c\u964d\u4f4e\u786c\u4ef6\u6210\u672c\u3002\u8c03\u6574<code>ES_BULK_SIZE<\/code>\u4e3a500\uff0c<code>ES_FLUSH_INTERVAL<\/code>\u4e3a10\u79d2\uff0c\u5e73\u8861\u541e\u5410\u91cf\u4e0e\u5ef6\u8fdf\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8d85\u5927\u89c4\u6a21\u96c6\u7fa4<\/strong><br \/>\n\u5bf9\u4e8e\u65e5\u589eTB\u7ea7\u6570\u636e\u7684\u573a\u666f\uff0c\u91c7\u7528<strong>\u51b7\u70ed\u5206\u79bb\u67b6\u6784<\/strong>\u3002\u5c06SSD\u78c1\u76d8\u5206\u914d\u7ed9\u70ed\u8282\u70b9\u5904\u7406\u5b9e\u65f6\u5199\u5165\uff0c\u673a\u68b0\u78c1\u76d8\u7528\u4e8e\u51b7\u8282\u70b9\u5b58\u50a8\u5386\u53f2\u6570\u636e\u3002\u540c\u65f6\uff0c\u4f7f\u7528<strong>\u8de8\u96c6\u7fa4\u590d\u5236\uff08CCR\uff09<\/strong>\u5b9e\u73b0\u5f02\u5730\u5bb9\u707e\uff0c\u63d0\u5347\u6570\u636e\u53ef\u9760\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n<hr>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6848\uff0cSkyWalking\u5728\u5343\u4e07\u7ea7QPS\u7684\u538b\u6d4b\u4e2d\u4ecd\u80fd\u4fdd\u6301P99\u5ef6\u8fdf\u4f4e\u4e8e2\u79d2\u3002\u5b9e\u9645\u90e8\u7f72\u65f6\u9700\u7ed3\u5408\u4e1a\u52a1\u7279\u70b9\u6301\u7eed\u8c03\u4f18\uff0c\u4f8b\u5982\u901a\u8fc7<strong><a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">Prometheus<\/a>\u76d1\u63a7\u5b58\u50a8\u5c42\u5065\u5eb7\u72b6\u6001<\/strong>\uff0c\u5b9a\u671f\u6267\u884c<code>_forcemerge<\/code>\u64cd\u4f5c\u51cf\u5c11\u7d22\u5f15\u788e\u7247\uff0c\u4ece\u800c\u5728\u6210\u672c\u4e0e\u6027\u80fd\u95f4\u627e\u5230\u6700\u4f73\u5e73\u8861\u70b9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u76d1\u63a7\u9886\u57df\uff0cSkyWalking\u51ed\u501f\u5176\u8f7b\u91cf\u7ea7\u67b6\u6784\u548c\u5f3a\u5927\u7684\u94fe\u8def\u8ffd\u8e2a\u80fd\u529b\uff0c\u5df2\u6210\u4e3a\u4f17\u591a\u4f01\u4e1a\u7684\u9996\u9009\u5de5\u5177\u3002\u7136\u800c\uff0c\u968f\u7740\u4e1a\u52a1\u89c4\u6a21\u7684\u6269\u5927\uff0c\u6d77\u91cf\u76d1\u63a7\u6570\u636e\u7684\u5b58\u50a8\u4e0e\u67e5\u8be2\u6027\u80fd\u74f6\u9888\u9010\u6e10\u663e\u73b0\u3002\u5982\u4f55\u901a\u8fc7\u5408\u7406\u7684\u5b58\u50a8\u65b9\u6848\u8bbe\u8ba1\u4e0e\u6027\u80fd\u4f18\u5316\u7b56\u7565\uff0c\u786e\u4fdd\u7cfb\u7edf\u5728\u9ad8\u5e76\u53d1\u3001\u5927\u6570\u636e\u91cf\u573a\u666f\u4e0b\u7a33\u5b9a\u8fd0\u884c\uff0c\u6210\u4e3a\u8fd0\u7ef4\u56e2\u961f\u5173\u6ce8\u7684\u7126\u70b9\u3002\u672c\u6587\u5c06\u6df1\u5165\u5256\u6790SkyWalking\u7684\u5b58\u50a8\u673a\u5236\uff0c\u5e76\u63ed\u793a\u5176\u6027\u80fd\u4f18\u5316\u7684\u6838\u5fc3\u6280\u672f\u8def\u5f84\u3002 \u4e00\u3001SkyWalking\u5b58\u50a8\u65b9\u6848\u7684\u6838\u5fc3\u8bbe\u8ba1 SkyWalking\u652f\u6301\u591a\u79cd\u5b58\u50a8\u540e\u7aef\uff0c\u5305\u62ecElasticsearch\u3001MySQL\u3001TiDB\u3001H2\u7b49\uff0c\u5176\u4e2d*Elasticsearch*\u56e0\u5176\u5206\u5e03\u5f0f\u7279\u6027\u4e0e\u9ad8\u6548\u68c0\u7d22\u80fd\u529b\u6210\u4e3a\u4e3b\u6d41\u9009\u62e9\u3002\u5176\u5b58\u50a8\u65b9\u6848\u56f4\u7ed5\u4ee5\u4e0b\u4e09\u5927\u6838\u5fc3\u539f\u5219\u6784\u5efa\uff1a \u5206\u5c42\u5b58\u50a8\u6a21\u578b SkyWalking\u5c06\u6570\u636e\u5206\u4e3aMetrics\uff08\u6307\u6807\uff09\u3001Trace\uff08\u94fe\u8def\uff09\u3001Log\uff08\u65e5\u5fd7\uff09\u4e09\u7c7b\uff0c\u5206\u522b\u8bbe\u8ba1\u5b58\u50a8\u7ed3\u6784\u3002\u4f8b\u5982\uff0c\u94fe\u8def\u6570\u636e\u91c7\u7528\u6811\u5f62\u7ed3\u6784\u538b\u7f29\u5b58\u50a8\uff0c\u901a\u8fc7\u9884\u805a\u5408\u964d\u4f4e\u7d22\u5f15\u538b\u529b\uff1b\u6307\u6807\u6570\u636e\u5219\u6309\u65f6\u95f4\u7a97\u53e3\u5206\u7247\uff0c\u63d0\u5347\u65f6\u5e8f\u67e5\u8be2\u6548\u7387\u3002 \u52a8\u6001\u7d22\u5f15\u7ba1\u7406 \u5728Elasticsearch\u573a\u666f\u4e0b\uff0cSkyWalking\u91c7\u7528\u6309\u65f6\u95f4\u5206\u7247\uff08Time-based Index Sharding\uff09\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u9ed8\u8ba4\u6309\u5929\u521b\u5efa\u7d22\u5f15\uff08\u5982sw_metrics-20231101\uff09\uff0c\u7ed3\u5408*\u7d22\u5f15\u751f\u547d\u5468\u671f\u7ba1\u7406\uff08ILM\uff09*\u81ea\u52a8\u6eda\u52a8\u66f4\u65b0\u65e7\u6570\u636e\uff0c\u907f\u514d\u5355\u7d22\u5f15\u8fc7\u5927\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002 \u6570\u636e\u538b\u7f29\u4e0e\u964d\u91c7\u6837 \u9488\u5bf9\u957f\u671f\u5b58\u50a8\u9700\u6c42\uff0cSkyWalking\u652f\u6301\u964d\u91c7\u6837\uff08Downsampling\uff09\u6280\u672f\u3002\u539f\u59cb\u9ad8\u7cbe\u5ea6\u6570\u636e\u4fdd\u7559\u77ed\u671f\uff08\u59827\u5929\uff09\uff0c\u964d\u91c7\u6837\u540e\u7684\u4f4e\u7cbe\u5ea6\u6570\u636e\uff08\u5982\u6309\u5c0f\u65f6\u805a\u5408\uff09\u53ef\u5b58\u50a8\u6570\u6708\uff0c\u51cf\u5c11\u5b58\u50a8\u6210\u672c\u7684\u540c\u65f6\u4fdd\u969c\u5386\u53f2\u8d8b\u52bf\u5206\u6790\u80fd\u529b\u3002 \u4e8c\u3001\u6027\u80fd\u4f18\u5316\u7b56\u7565\u7684\u56db\u5927\u7ef4\u5ea6 1. \u67b6\u6784\u5c42\u9762\u7684\u4f18\u5316 \u5f02\u6b65\u6279\u5904\u7406\u673a\u5236 Agent\u7aef\u91c7\u7528\u6279\u91cf\u4e0a\u62a5\u6a21\u5f0f\uff0c\u9ed8\u8ba4\u6bcf3\u79d2\u6216\u79ef\u538b500\u6761\u6570\u636e\u89e6\u53d1\u4e00\u6b21\u53d1\u9001\uff0c\u51cf\u5c11\u7f51\u7edc\u5f00\u9500\u3002\u670d\u52a1\u7aef\u901a\u8fc7*Disruptor\u9ad8\u6027\u80fd\u961f\u5217*\u5b9e\u73b0\u5185\u5b58\u7f13\u51b2\u533a\u5f02\u6b65\u5199\u5165\uff0c\u907f\u514dI\/O\u963b\u585e\u3002 \u7f13\u5b58\u52a0\u901f\u7b56\u7565 \u9ad8\u9891\u67e5\u8be2\uff08\u5982\u670d\u52a1\u62d3\u6251\u5173\u7cfb\uff09\u4f7f\u7528\u672c\u5730\u7f13\u5b58\uff08Guava Cache\uff09\uff0c\u7ed3\u5408LRU\u6dd8\u6c70\u7b97\u6cd5\u51cf\u5c11\u5bf9\u5b58\u50a8\u5c42\u7684\u76f4\u63a5\u8bbf\u95ee\u3002\u9488\u5bf9Elasticsearch\uff0c\u542f\u7528\u5206\u7247\u8bf7\u6c42\u7f13\u5b58\uff08Shard Request Cache\uff09\uff0c\u63d0\u5347\u76f8\u540c\u67e5\u8be2\u6761\u4ef6\u7684\u54cd\u5e94\u901f\u5ea6\u3002 2. \u5b58\u50a8\u5c42\u7684\u6df1\u5ea6\u8c03\u4f18 \u5206\u7247\u4e0e\u526f\u672c\u7684\u52a8\u6001\u5e73\u8861 Elasticsearch\u96c6\u7fa4\u7684\u5206\u7247\u6570\u9700\u6839\u636e\u6570\u636e\u91cf\u52a8\u6001\u8c03\u6574\u3002\u4f8b\u5982\uff0c\u5355\u4e2a\u7d22\u5f15\u5206\u7247\u6570\u5efa\u8bae\u4e3a\u8282\u70b9\u6570\u00d71.5\uff0c\u907f\u514d\u5206\u7247\u8fc7\u591a\u5f15\u53d1\u5143\u6570\u636e\u81a8\u80c0\u3002\u540c\u65f6\uff0c\u901a\u8fc7index.refresh_interval\u53c2\u6570\u63a7\u5236\u5237\u65b0\u9891\u7387\uff08\u9ed8\u8ba41\u79d2\uff09\uff0c\u5199\u5165\u5bc6\u96c6\u578b\u573a\u666f\u53ef\u9002\u5f53\u8c03\u5927\u4ee5\u51cf\u5c11Lucene\u6bb5\u5408\u5e76\u5f00\u9500\u3002 \u7d22\u5f15\u6a21\u677f\u4f18\u5316 \u7981\u7528\u4e0d\u5fc5\u8981\u7684\u5b57\u6bb5\u5206\u6790\uff08\u5982\u8bbe\u7f6e&quot;index&quot;: &quot;not_analyzed&quot;\uff09\uff0c\u5173\u95ed_all\u5b57\u6bb5\uff1b\u5bf9\u6570\u503c\u578b\u6307\u6807\u542f\u7528doc_values\uff0c\u63d0\u5347\u805a\u5408\u67e5\u8be2\u6027\u80fd\u3002\u901a\u8fc7\u5b9a\u5236\u7d22\u5f15\u6a21\u677f\uff08Index Template\uff09\uff0c\u53ef\u7edf\u4e00\u7ba1\u7406\u6570\u636e\u7ed3\u6784\u4e0e\u538b\u7f29\u7b97\u6cd5\uff08\u5982\u4f7f\u7528DEFLATE\u538b\u7f29\uff09\u3002 3. \u67e5\u8be2\u5f15\u64ce\u7684\u667a\u80fd\u52a0\u901f \u9884\u8ba1\u7b97\u4e0e\u7269\u5316\u89c6\u56fe \u9488\u5bf9\u8017\u65f6\u8f83\u957f\u7684TopN\u67e5\u8be2\uff08\u5982\u201c\u6162\u670d\u52a1\u6392\u540d\u201d\uff09\uff0cSkyWalking\u5f15\u5165Metrics Persistence Worker\uff0c\u5b9a\u671f\u9884\u8ba1\u7b97\u70ed\u70b9\u6307\u6807\u5e76\u5b58\u50a8\u4e3a\u7269\u5316\u89c6\u56fe\uff0c\u5c06\u5b9e\u65f6\u67e5\u8be2\u8f6c\u6362\u4e3a\u9884\u8ba1\u7b97\u7ed3\u679c\u8bfb\u53d6\uff0c\u54cd\u5e94\u65f6\u95f4\u4ece\u79d2\u7ea7\u964d\u4f4e\u81f3\u6beb\u79d2\u7ea7\u3002 \u67e5\u8be2\u526a\u679d\u6280\u672f \u5728\u94fe\u8def\u67e5\u8be2\u65f6\uff0c\u901a\u8fc7\u65f6\u95f4\u8303\u56f4\u8fc7\u6ee4\u548c\u6807\u7b7e\u7d22\u5f15\u5feb\u901f\u7f29\u5c0f\u626b\u63cf\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u6839\u636eTraceID\u7684\u54c8\u5e0c\u503c\u8def\u7531\u5230\u7279\u5b9a\u5206\u7247\uff0c\u7ed3\u5408\u65f6\u95f4\u6233\u8303\u56f4\u8fc7\u6ee4\u65e0\u6548\u6570\u636e\u5757\uff0c\u51cf\u5c11\u78c1\u76d8\u626b\u63cf\u91cf\u3002 4. \u8d44\u6e90\u9694\u79bb\u4e0e\u9650\u6d41\u4fdd\u62a4 \u8bfb\u5199\u5206\u79bb\u67b6\u6784 \u5728Elasticsearch\u96c6\u7fa4\u4e2d\uff0c\u5c06\u8282\u70b9\u89d2\u8272\u5212\u5206\u4e3aData\u8282\u70b9\u3001Coordinating\u8282\u70b9\u548cMaster\u8282\u70b9\uff0c\u5b9e\u73b0\u8ba1\u7b97\u4e0e\u5b58\u50a8\u8d44\u6e90\u9694\u79bb\u3002\u901a\u8fc7\u914d\u7f6eIngest Pipeline\u5c06\u5199\u5165\u8bf7\u6c42\u4f18\u5148\u8def\u7531\u5230\u4e13\u7528Data\u8282\u70b9\uff0c\u907f\u514d\u67e5\u8be2\u8bf7\u6c42\u62a2\u5360\u8d44\u6e90\u3002 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