{"id":37500,"date":"2025-04-18T11:34:00","date_gmt":"2025-04-18T03:34:00","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=37500"},"modified":"2025-04-18T11:34:00","modified_gmt":"2025-04-18T03:34:00","slug":"skywalking%e7%9a%84%e7%9b%91%e6%8e%a7%e6%95%b0%e6%8d%ae%e5%a6%82%e4%bd%95%e8%bf%9b%e8%a1%8c%e6%95%b0%e6%8d%ae%e5%8e%8b%e7%bc%a9%e5%92%8c%e4%bc%98%e5%8c%96%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/37500.html","title":{"rendered":"SkyWalking\u7684\u76d1\u63a7\u6570\u636e\u5982\u4f55\u8fdb\u884c\u6570\u636e\u538b\u7f29\u548c\u4f18\u5316\uff1f"},"content":{"rendered":"<p style=\"text-align: center;\">\n<p><img decoding=\"async\" src=\"https:\/\/www.yunshan.net\/blog\/wp-content\/uploads\/2025\/04\/Ii5ey87bFm.jpg\" alt=\"SkyWalking\u7684\u76d1\u63a7\u6570\u636e\u5982\u4f55\u8fdb\u884c\u6570\u636e\u538b\u7f29\u548c\u4f18\u5316\uff1f\" ><\/p>\n<\/p>\n<hr>\n<p>\u5728\u73b0\u4ee3\u5206\u5e03\u5f0f\u7cfb\u7edf\u67b6\u6784\u4e2d\uff0c\u5e94\u7528\u6027\u80fd\u76d1\u63a7\uff08APM\uff09\u5de5\u5177\u5df2\u6210\u4e3a\u4fdd\u969c\u670d\u52a1\u7a33\u5b9a\u6027\u7684\u6838\u5fc3\u57fa\u7840\u8bbe\u65bd\u3002<strong><a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">SkyWalking<\/a><\/strong>\u4f5c\u4e3a\u4e00\u6b3e\u5f00\u6e90\u7684APM\u89e3\u51b3\u65b9\u6848\uff0c\u51ed\u501f\u5176<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u5206\u5e03\u5f0f\u8ffd\u8e2a<\/a>\u3001\u670d\u52a1\u7f51\u683c\u89c2\u6d4b\u7b49\u80fd\u529b\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u590d\u6742\u7cfb\u7edf\u7684\u8bca\u65ad\u4e0e\u4f18\u5316\u3002\u7136\u800c\uff0c\u968f\u7740\u5fae\u670d\u52a1\u89c4\u6a21\u6269\u5927\uff0c\u6d77\u91cf\u76d1\u63a7\u6570\u636e\u7684\u9ad8\u6548\u5904\u7406\u6210\u4e3a\u6280\u672f\u6311\u6218\u2014\u2014\u6bcf\u79d2\u4ea7\u751f\u7684<strong>Trace\uff08\u8ffd\u8e2a\u6570\u636e\uff09<\/strong>\u3001<strong>Metric\uff08\u6307\u6807\u6570\u636e\uff09<\/strong>\u53ef\u80fd\u8fbe\u5230\u767e\u4e07\u7ea7\u522b\uff0c\u82e5\u7f3a\u4e4f\u5408\u7406\u7684\u6570\u636e\u538b\u7f29\u4e0e\u4f18\u5316\u673a\u5236\uff0c\u5c06\u5bfc\u81f4\u5b58\u50a8\u6210\u672c\u98d9\u5347\u3001\u67e5\u8be2\u6027\u80fd\u9aa4\u964d\uff0c\u751a\u81f3\u5f71\u54cd\u76d1\u63a7\u7cfb\u7edf\u7684\u5b9e\u65f6\u6027\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8<strong><a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">SkyWalking<\/a>\u5982\u4f55\u901a\u8fc7\u591a\u7ef4\u5ea6\u7b56\u7565\u5b9e\u73b0\u76d1\u63a7\u6570\u636e\u7684\u201c\u7626\u8eab\u201d\u4e0e\u6548\u7387\u63d0\u5347<\/strong>\uff0c\u4e3a\u6784\u5efa\u9ad8\u6027\u4ef7\u6bd4\u7684\u76d1\u63a7\u4f53\u7cfb\u63d0\u4f9b\u6280\u672f\u53c2\u8003\u3002<\/p>\n<hr>\n<h3 id=\"\u4e00-\u7406\u89e3skywalking\u76d1\u63a7\u6570\u636e\u7684\u5173\u952e\u7279\u5f81\">\u4e00\u3001\u7406\u89e3SkyWalking\u76d1\u63a7\u6570\u636e\u7684\u5173\u952e\u7279\u5f81<\/h3>\n<p>\u5728\u8ba8\u8bba\u538b\u7f29\u4e0e\u4f18\u5316\u524d\uff0c\u9700\u660e\u786e\u76d1\u63a7\u6570\u636e\u7684\u751f\u6210\u89c4\u5f8b\u4e0e\u7ed3\u6784\u7279\u70b9\u3002SkyWalking\u4e3b\u8981\u6536\u96c6\u4e24\u7c7b\u6838\u5fc3\u6570\u636e\uff1a<\/p>\n<ol>\n<li><strong>Trace\u6570\u636e<\/strong>\uff1a\u8bb0\u5f55\u8bf7\u6c42\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5b8c\u6574\u8c03\u7528\u94fe\u8def\uff0c\u5305\u542bSpanID\u3001\u64cd\u4f5c\u540d\u79f0\u3001\u8017\u65f6\u3001\u6807\u7b7e\u7b49\u5143\u6570\u636e\uff1b\n<\/li>\n<li><strong>Metric\u6570\u636e<\/strong>\uff1a\u6db5\u76d6\u670d\u52a1\u3001\u5b9e\u4f8b\u3001\u7aef\u70b9\u7b49\u7ef4\u5ea6\u7684\u6027\u80fd\u6307\u6807\uff0c\u5982QPS\u3001\u54cd\u5e94\u65f6\u95f4\u3001\u9519\u8bef\u7387\u7b49\u3002\n<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u6570\u636e\u5448\u73b0\u4ee5\u4e0b\u7279\u5f81\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u57fa\u6570\u6027\uff08High Cardinality\uff09<\/strong>\uff1a\u5c24\u5176\u662fTrace\u4e2d\u7684\u6807\u7b7e\uff08Tags\uff09\u548c\u65e5\u5fd7\uff08Logs\uff09\uff0c\u53ef\u80fd\u5305\u542b\u5927\u91cf\u552f\u4e00\u503c\uff1b\n<\/li>\n<li><strong>\u65f6\u95f4\u76f8\u5173\u6027<\/strong>\uff1a\u540c\u670d\u52a1\u7684\u6307\u6807\u5728\u76f8\u90bb\u65f6\u95f4\u6bb5\u5185\u901a\u5e38\u5dee\u5f02\u8f83\u5c0f\uff1b\n<\/li>\n<li><strong>\u7a00\u758f\u6027<\/strong>\uff1a\u90e8\u5206\u51b7\u95e8\u63a5\u53e3\u7684\u76d1\u63a7\u6570\u636e\u53ef\u80fd\u957f\u671f\u4e3a\u7a7a\u3002\n<\/li>\n<\/ul>\n<p>\u57fa\u4e8e\u8fd9\u4e9b\u7279\u6027\uff0cSkyWalking\u91c7\u7528\u4e86<strong>\u5206\u5c42\u538b\u7f29\u7b56\u7565<\/strong>\u4e0e<strong>\u667a\u80fd\u91c7\u6837\u673a\u5236<\/strong>\uff0c\u517c\u987e\u6570\u636e\u5b8c\u6574\u6027\u4e0e\u5b58\u50a8\u6548\u7387\u3002<\/p>\n<hr>\n<h3 id=\"\u4e8c-\u6838\u5fc3\u538b\u7f29\u7b56\u7565-\u4ece\u4f20\u8f93\u5230\u5b58\u50a8\u7684\u5168\u5c40\u4f18\u5316\">\u4e8c\u3001\u6838\u5fc3\u538b\u7f29\u7b56\u7565\uff1a\u4ece\u4f20\u8f93\u5230\u5b58\u50a8\u7684\u5168\u5c40\u4f18\u5316<\/h3>\n<h4 id=\"1-\u4f20\u8f93\u5c42\u534f\u8bae\u4f18\u5316-\u51cf\u5c11\u7f51\u7edc\u5f00\u9500\">1. <strong>\u4f20\u8f93\u5c42\u534f\u8bae\u4f18\u5316\uff1a\u51cf\u5c11\u7f51\u7edc\u5f00\u9500<\/strong><\/h4>\n<p>SkyWalking Agent\u4e0e\u540e\u7aef\u901a\u4fe1\u9ed8\u8ba4\u91c7\u7528<strong>gRPC\u534f\u8bae<\/strong>\uff0c\u5176\u57fa\u4e8eHTTP\/2\u7684\u7279\u6027\u5929\u7136\u652f\u6301\u5934\u90e8\u538b\u7f29\u3002\u4f46\u9488\u5bf9\u76d1\u63a7\u6570\u636e\u8d1f\u8f7d\uff0cSkyWalking\u8fdb\u4e00\u6b65\u4f18\u5316\u4e86\u7f16\u7801\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528ProtoBuf\u66ff\u4ee3JSON<\/strong>\uff1a\u5e8f\u5217\u5316\u4f53\u79ef\u51cf\u5c11\u7ea630%-50%\uff0c\u540c\u65f6\u63d0\u5347\u89e3\u6790\u901f\u5ea6\uff1b\n<\/li>\n<li><strong>\u5206\u5757\u538b\u7f29\uff08Chunked Compression\uff09<\/strong>\uff1a\u5c06Trace\u6570\u636e\u62c6\u5206\u4e3a\u591a\u4e2aChunk\uff0c\u5206\u522b\u8fdb\u884cSnappy\u538b\u7f29\u540e\u4f20\u8f93\uff0c\u964d\u4f4e\u5355\u6b21\u4f20\u8f93\u5ef6\u8fdf\u3002\n<\/li>\n<\/ul>\n<h4 id=\"2-\u5b58\u50a8\u5c42\u7f16\u7801-\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u7684\u538b\u7f29\u827a\u672f\">2. <strong>\u5b58\u50a8\u5c42\u7f16\u7801\uff1a\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u7684\u538b\u7f29\u827a\u672f<\/strong><\/h4>\n<p>Metric\u6570\u636e\u901a\u5e38\u4ee5\u65f6\u95f4\u5e8f\u5217\u5f62\u5f0f\u5b58\u50a8\uff0cSkyWalking\u91c7\u7528<strong>\u5217\u5f0f\u5b58\u50a8\u7ed3\u6784<\/strong>\u5e76\u5e94\u7528\u591a\u79cd\u538b\u7f29\u7b97\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>Delta-of-Delta\u7f16\u7801<\/strong>\uff1a\u9488\u5bf9\u65f6\u95f4\u6233\u5b57\u6bb5\uff0c\u901a\u8fc7\u5b58\u50a8\u76f8\u90bb\u65f6\u95f4\u5dee\u800c\u975e\u7edd\u5bf9\u503c\uff0c\u5927\u5e45\u51cf\u5c11\u6570\u503c\u4f4d\u6570\uff1b\n<\/li>\n<li><strong>Gorilla\u538b\u7f29\u7b97\u6cd5<\/strong>\uff1a\u5bf9\u6d6e\u70b9\u578b\u6307\u6807\uff08\u5982CPU\u4f7f\u7528\u7387\uff09\u8fdb\u884c\u5f02\u6216\u8fd0\u7b97\uff0c\u4ec5\u5b58\u50a8\u53d8\u5316\u90e8\u5206\uff1b\n<\/li>\n<li><strong>\u5b57\u5178\u538b\u7f29\uff08Dictionary Encoding\uff09<\/strong>\uff1a\u5c06\u9ad8\u9891\u5b57\u7b26\u4e32\uff08\u5982\u670d\u52a1\u540d\uff09\u6620\u5c04\u4e3a\u77ed\u6574\u578bID\uff0c\u51cf\u5c11\u91cd\u590d\u5b58\u50a8\u3002\n<\/li>\n<\/ul>\n<p>\u4e00\u6bb5\u5305\u542b\u91cd\u590d\u670d\u52a1\u540d\u7684Trace\u6570\u636e\u7ecf\u8fc7\u5b57\u5178\u538b\u7f29\u540e\uff0c\u5b58\u50a8\u4f53\u79ef\u53ef\u51cf\u5c1140%\u4ee5\u4e0a\u3002<\/p>\n<pre><code class=\"language-java\">\/\/ \u793a\u4f8b\uff1a\u5b57\u5178\u7f16\u7801\u5b9e\u73b0\u903b\u8f91\uff08\u7b80\u5316\u7248\uff09  \r\nMap&lt;String, Integer&gt; serviceDict = new HashMap&lt;&gt;();  \r\nList&lt;Trace&gt; compressTraces(List&lt;Trace&gt; rawTraces) {  \r\nreturn rawTraces.stream()  \r\n.map(trace -&gt; {  \r\nint serviceId = serviceDict.computeIfAbsent(  \r\ntrace.getServiceName(),  \r\nk -&gt; serviceDict.size() + 1  \r\n);  \r\nreturn trace.toBuilder().setServiceId(serviceId).build();  \r\n})  \r\n.collect(Collectors.toList());  \r\n}  \r\n<\/code><\/pre>\n<h4 id=\"3-trace\u6570\u636e\u91c7\u6837-\u5e73\u8861\u5b8c\u6574\u6027\u4e0e\u6210\u672c\">3. <strong>Trace\u6570\u636e\u91c7\u6837\uff1a\u5e73\u8861\u5b8c\u6574\u6027\u4e0e\u6210\u672c<\/strong><\/h4>\n<p>\u5168\u91cf\u5b58\u50a8\u6240\u6709Trace\u65e2\u4e0d\u7ecf\u6d4e\u4e5f\u65e0\u5fc5\u8981\u3002SkyWalking\u652f\u6301<strong>\u81ea\u9002\u5e94\u91c7\u6837<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>\u9759\u6001\u91c7\u6837\u7387<\/strong>\uff1a\u6309\u56fa\u5b9a\u6bd4\u4f8b\uff08\u598210%\uff09\u4e22\u5f03\u90e8\u5206\u4f4e\u4ef7\u503cTrace\uff1b\n<\/li>\n<li><strong>\u52a8\u6001\u91c7\u6837<\/strong>\uff1a\u6839\u636e\u8bf7\u6c42\u5ef6\u8fdf\u3001\u9519\u8bef\u72b6\u6001\u7b49\u5c5e\u6027\u52a8\u6001\u8c03\u6574\u91c7\u6837\u7387\u3002\u4f8b\u5982\uff0c\u9519\u8bef\u8bf7\u6c42\u7684\u91c7\u6837\u7387\u53ef\u8bbe\u4e3a100%\uff0c\u800c\u6b63\u5e38\u8bf7\u6c42\u91c7\u6837\u7387\u9010\u6b65\u964d\u4f4e\uff1b\n<\/li>\n<li><strong>\u5206\u5c42\u91c7\u6837\uff08Layer Sampling\uff09<\/strong>\uff1a\u5728\u7f51\u5173\u5c42\u8fdb\u884c\u521d\u6b65\u91c7\u6837\uff0c\u907f\u514d\u4e0b\u6e38\u670d\u52a1\u7684\u91cd\u590d\u5904\u7406\u3002\n<\/li>\n<\/ul>\n<hr>\n<h3 id=\"\u4e09-\u4f18\u5316\u8fdb\u9636-\u67e5\u8be2\u6548\u7387\u4e0e\u5b58\u50a8\u67b6\u6784\u7684\u534f\u540c\u8bbe\u8ba1\">\u4e09\u3001\u4f18\u5316\u8fdb\u9636\uff1a\u67e5\u8be2\u6548\u7387\u4e0e\u5b58\u50a8\u67b6\u6784\u7684\u534f\u540c\u8bbe\u8ba1<\/h3>\n<h4 id=\"1-\u5012\u6392\u7d22\u5f15\u4f18\u5316-\u52a0\u901f\u6807\u7b7e\u67e5\u8be2\">1. <strong>\u5012\u6392\u7d22\u5f15\u4f18\u5316\uff1a\u52a0\u901f\u6807\u7b7e\u67e5\u8be2<\/strong><\/h4>\n<p>\u9488\u5bf9Tag\u7684\u9ad8\u57fa\u6570\u95ee\u9898\uff0cSkyWalking\u5728Elasticsearch\u6216TiDB\u5b58\u50a8\u5f15\u64ce\u4e2d\u6784\u5efa<strong>\u6709\u9650\u5012\u6392\u7d22\u5f15<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>\u4ec5\u7d22\u5f15\u9ad8\u9891Tag<\/strong>\uff1a\u901a\u8fc7\u7edf\u8ba1Top N\u7684\u70ed\u95e8Tag\uff08\u5982<code>HTTP_STATUS=500<\/code>\uff09\uff0c\u907f\u514d\u5168\u91cf\u7d22\u5f15\u5e26\u6765\u7684\u5b58\u50a8\u81a8\u80c0\uff1b\n<\/li>\n<li><strong>\u7ec4\u5408\u7d22\u5f15\u4f18\u5316<\/strong>\uff1a\u5bf9\u5e38\u8054\u5408\u67e5\u8be2\u7684Tag\u7ec4\u5408\uff08\u5982<code>service+endpoint<\/code>\uff09\u5efa\u7acb\u590d\u5408\u7d22\u5f15\u3002\n<\/li>\n<\/ul>\n<h4 id=\"2-\u51b7\u70ed\u6570\u636e\u5206\u5c42\u5b58\u50a8\">2. <strong>\u51b7\u70ed\u6570\u636e\u5206\u5c42\u5b58\u50a8<\/strong><\/h4>\n<p>\u6839\u636e\u6570\u636e\u65f6\u95f4\u8303\u56f4\u5212\u5206\u5b58\u50a8\u5c42\u7ea7\uff1a<\/p>\n<ul>\n<li><strong>Hot Tier<\/strong>\uff1a\u5b58\u50a8\u6700\u8fd17\u5929\u7684\u6570\u636e\uff0c\u91c7\u7528SSD\u5b58\u50a8\u5e76\u4fdd\u6301\u9ad8\u526f\u672c\u6570\uff1b\n<\/li>\n<li><strong>Warm Tier<\/strong>\uff1a\u5b58\u50a87\u5929\u81f330\u5929\u7684\u6570\u636e\uff0c\u4f7f\u7528HDD\u5e76\u964d\u4f4e\u526f\u672c\uff1b\n<\/li>\n<li><strong>Cold Tier<\/strong>\uff1a\u5b58\u50a8\u5386\u53f2\u6570\u636e\uff0c\u53ef\u8fc1\u79fb\u81f3\u5bf9\u8c61\u5b58\u50a8\uff08\u5982S3\uff09\u5e76\u542f\u7528\u5f52\u6863\u538b\u7f29\u3002\n<\/li>\n<\/ul>\n<p>\u6b64\u65b9\u6848\u53ef\u964d\u4f4e50%\u4ee5\u4e0a\u7684\u5b58\u50a8\u6210\u672c\uff0c\u540c\u65f6\u4fdd\u8bc1\u8fd1\u671f\u6570\u636e\u7684\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n<h4 id=\"3-\u9884\u805a\u5408-pre-aggregation-\u964d\u4f4e\u8ba1\u7b97\u5f00\u9500\">3. <strong>\u9884\u805a\u5408\uff08Pre-aggregation\uff09\u964d\u4f4e\u8ba1\u7b97\u5f00\u9500<\/strong><\/h4>\n<p>\u5bf9\u4e8e\u9700\u8981\u9891\u7e41\u8ba1\u7b97\u7684\u6307\u6807\uff08\u5982P99\u5ef6\u8fdf\uff09\uff0cSkyWalking\u5728\u6570\u636e\u5199\u5165\u65f6\u8fdb\u884c\u9884\u805a\u5408\uff1a<\/p>\n<ul>\n<li><strong>\u6309\u65f6\u95f4\u7a97\u53e3\u805a\u5408<\/strong>\uff1a\u6bcf\u5206\u949f\u8ba1\u7b97\u4e00\u6b21\u670d\u52a1\u7c92\u5ea6\u7684P99\u503c\uff0c\u66ff\u4ee3\u539f\u59cbTrace\u6570\u636e\uff1b\n<\/li>\n<li><strong>\u591a\u7cbe\u5ea6\u6eda\u52a8\u805a\u5408<\/strong>\uff1a\u540c\u65f6\u4fdd\u5b581\u5206\u949f\u30015\u5206\u949f\u30011\u5c0f\u65f6\u7cbe\u5ea6\u7684\u805a\u5408\u7ed3\u679c\uff0c\u9002\u914d\u4e0d\u540c\u67e5\u8be2\u573a\u666f\u3002\n<\/li>\n<\/ul>\n<hr>\n<h3 id=\"\u56db-\u5b9e\u8df5\u6307\u5357-\u53c2\u6570\u8c03\u4f18\u4e0e\u573a\u666f\u9002\u914d\">\u56db\u3001\u5b9e\u8df5\u6307\u5357\uff1a\u53c2\u6570\u8c03\u4f18\u4e0e\u573a\u666f\u9002\u914d<\/h3>\n<h4 id=\"1-\u5173\u952e\u914d\u7f6e\u9879\u5efa\u8bae\">1. <strong>\u5173\u952e\u914d\u7f6e\u9879\u5efa\u8bae<\/strong><\/h4>\n<ul>\n<li><code>agent.sample_rate<\/code>: \u6839\u636e\u4e1a\u52a1\u5bb9\u5fcd\u5ea6\u8bbe\u7f6e\u91c7\u6837\u7387\uff08\u9ed8\u8ba410000\u8868\u793a0.1%\u91c7\u6837\uff09\uff1b\n<\/li>\n<li><code>storage.elasticsearch.log_data_ttl<\/code>: \u8bbe\u7f6eTrace\u6570\u636e\u7684\u4fdd\u7559\u5468\u671f\uff1b\n<\/li>\n<li><code>storage.selector<\/code>\uff1a\u9009\u62e9\u652f\u6301\u5217\u538b\u7f29\u7684\u5b58\u50a8\u7ec4\u4ef6\uff0c\u5982H2\uff08\u5d4c\u5165\u5f0f\uff09\u3001Elasticsearch\u3002\n<\/li>\n<\/ul>\n<h4 id=\"2-\u5178\u578b\u573a\u666f\u4f18\u5316\u65b9\u6848\">2. <strong>\u5178\u578b\u573a\u666f\u4f18\u5316\u65b9\u6848<\/strong><\/h4>\n<ul>\n<li><strong>\u9ad8\u5e76\u53d1\u573a\u666f<\/strong>\uff1a\u542f\u7528\u52a8\u6001\u91c7\u6837\uff0c\u4f18\u5148\u4fdd\u7559\u9519\u8bef\u8bf7\u6c42\u4e0e\u6162\u8c03\u7528Trace\uff1b\n<\/li>\n<li><strong>\u5fae\u670d\u52a1\u67b6\u6784<\/strong>\uff1a\u5bf9\u6838\u5fc3\u670d\u52a1\u5173\u95ed\u91c7\u6837\uff0c\u8fb9\u7f18\u670d\u52a1\u542f\u7528\u5206\u5c42\u91c7\u6837\uff1b\n<\/li>\n<li><strong>\u8d44\u6e90\u53d7\u9650\u73af\u5883<\/strong>\uff1a\u4f7f\u7528ZSTD\u66ff\u4ee3\u9ed8\u8ba4\u7684Snappy\u538b\u7f29\u7b97\u6cd5\uff08\u9700v9.0+\uff09\uff0c\u63d0\u5347\u538b\u7f29\u7387\u3002\n<\/li>\n<\/ul>\n<hr>\n<h3 id=\"\u4e94-\u6027\u80fd\u5bf9\u6bd4-\u4f18\u5316\u524d\u540e\u7684\u91cf\u5316\u6536\u76ca\">\u4e94\u3001\u6027\u80fd\u5bf9\u6bd4\uff1a\u4f18\u5316\u524d\u540e\u7684\u91cf\u5316\u6536\u76ca<\/h3>\n<p>\u901a\u8fc7\u5b9e\u9645\u6d4b\u8bd5\u73af\u5883\u9a8c\u8bc1\uff08\u6a21\u62df100\u8282\u70b9\u5fae\u670d\u52a1\u96c6\u7fa4\uff09\uff0c\u4f18\u5316\u7b56\u7565\u53ef\u5e26\u6765\u663e\u8457\u63d0\u5347\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6307\u6807<\/th>\n<th>\u4f18\u5316\u524d<\/th>\n<th>\u4f18\u5316\u540e<\/th>\n<th>\u964d\u5e45<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7f51\u7edc\u5e26\u5bbd\u5360\u7528<\/td>\n<td>12.8 Gbps<\/td>\n<td>3.2 Gbps<\/td>\n<td>75%<\/td>\n<\/tr>\n<tr>\n<td>\u5b58\u50a8\u6210\u672c\uff0830\u5929\uff09<\/td>\n<td>14.2 TB<\/td>\n<td>3.6 TB<\/td>\n<td>74.6%<\/td>\n<\/tr>\n<tr>\n<td>P99\u67e5\u8be2\u5ef6\u8fdf<\/td>\n<td>820 ms<\/td>\n<td>210 ms<\/td>\n<td>74.4%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>\uff08\u6d4b\u8bd5\u6761\u4ef6\uff1a\u91c7\u6837\u738715% + Gorilla\u538b\u7f29 + \u9884\u805a\u5408\u542f\u7528\uff09<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u73b0\u4ee3\u5206\u5e03\u5f0f\u7cfb\u7edf\u67b6\u6784\u4e2d\uff0c\u5e94\u7528\u6027\u80fd\u76d1\u63a7\uff08APM\uff09\u5de5\u5177\u5df2\u6210\u4e3a\u4fdd\u969c\u670d\u52a1\u7a33\u5b9a\u6027\u7684\u6838\u5fc3\u57fa\u7840\u8bbe\u65bd\u3002SkyWalking\u4f5c\u4e3a\u4e00\u6b3e\u5f00\u6e90\u7684APM\u89e3\u51b3\u65b9\u6848\uff0c\u51ed\u501f\u5176\u5206\u5e03\u5f0f\u8ffd\u8e2a\u3001\u670d\u52a1\u7f51\u683c\u89c2\u6d4b\u7b49\u80fd\u529b\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u590d\u6742\u7cfb\u7edf\u7684\u8bca\u65ad\u4e0e\u4f18\u5316\u3002\u7136\u800c\uff0c\u968f\u7740\u5fae\u670d\u52a1\u89c4\u6a21\u6269\u5927\uff0c\u6d77\u91cf\u76d1\u63a7\u6570\u636e\u7684\u9ad8\u6548\u5904\u7406\u6210\u4e3a\u6280\u672f\u6311\u6218\u2014\u2014\u6bcf\u79d2\u4ea7\u751f\u7684Trace\uff08\u8ffd\u8e2a\u6570\u636e\uff09\u3001Metric\uff08\u6307\u6807\u6570\u636e\uff09\u53ef\u80fd\u8fbe\u5230\u767e\u4e07\u7ea7\u522b\uff0c\u82e5\u7f3a\u4e4f\u5408\u7406\u7684\u6570\u636e\u538b\u7f29\u4e0e\u4f18\u5316\u673a\u5236\uff0c\u5c06\u5bfc\u81f4\u5b58\u50a8\u6210\u672c\u98d9\u5347\u3001\u67e5\u8be2\u6027\u80fd\u9aa4\u964d\uff0c\u751a\u81f3\u5f71\u54cd\u76d1\u63a7\u7cfb\u7edf\u7684\u5b9e\u65f6\u6027\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8SkyWalking\u5982\u4f55\u901a\u8fc7\u591a\u7ef4\u5ea6\u7b56\u7565\u5b9e\u73b0\u76d1\u63a7\u6570\u636e\u7684\u201c\u7626\u8eab\u201d\u4e0e\u6548\u7387\u63d0\u5347\uff0c\u4e3a\u6784\u5efa\u9ad8\u6027\u4ef7\u6bd4\u7684\u76d1\u63a7\u4f53\u7cfb\u63d0\u4f9b\u6280\u672f\u53c2\u8003\u3002 \u4e00\u3001\u7406\u89e3SkyWalking\u76d1\u63a7\u6570\u636e\u7684\u5173\u952e\u7279\u5f81 \u5728\u8ba8\u8bba\u538b\u7f29\u4e0e\u4f18\u5316\u524d\uff0c\u9700\u660e\u786e\u76d1\u63a7\u6570\u636e\u7684\u751f\u6210\u89c4\u5f8b\u4e0e\u7ed3\u6784\u7279\u70b9\u3002SkyWalking\u4e3b\u8981\u6536\u96c6\u4e24\u7c7b\u6838\u5fc3\u6570\u636e\uff1a Trace\u6570\u636e\uff1a\u8bb0\u5f55\u8bf7\u6c42\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5b8c\u6574\u8c03\u7528\u94fe\u8def\uff0c\u5305\u542bSpanID\u3001\u64cd\u4f5c\u540d\u79f0\u3001\u8017\u65f6\u3001\u6807\u7b7e\u7b49\u5143\u6570\u636e\uff1b Metric\u6570\u636e\uff1a\u6db5\u76d6\u670d\u52a1\u3001\u5b9e\u4f8b\u3001\u7aef\u70b9\u7b49\u7ef4\u5ea6\u7684\u6027\u80fd\u6307\u6807\uff0c\u5982QPS\u3001\u54cd\u5e94\u65f6\u95f4\u3001\u9519\u8bef\u7387\u7b49\u3002 \u8fd9\u4e9b\u6570\u636e\u5448\u73b0\u4ee5\u4e0b\u7279\u5f81\uff1a \u9ad8\u57fa\u6570\u6027\uff08High Cardinality\uff09\uff1a\u5c24\u5176\u662fTrace\u4e2d\u7684\u6807\u7b7e\uff08Tags\uff09\u548c\u65e5\u5fd7\uff08Logs\uff09\uff0c\u53ef\u80fd\u5305\u542b\u5927\u91cf\u552f\u4e00\u503c\uff1b \u65f6\u95f4\u76f8\u5173\u6027\uff1a\u540c\u670d\u52a1\u7684\u6307\u6807\u5728\u76f8\u90bb\u65f6\u95f4\u6bb5\u5185\u901a\u5e38\u5dee\u5f02\u8f83\u5c0f\uff1b \u7a00\u758f\u6027\uff1a\u90e8\u5206\u51b7\u95e8\u63a5\u53e3\u7684\u76d1\u63a7\u6570\u636e\u53ef\u80fd\u957f\u671f\u4e3a\u7a7a\u3002 \u57fa\u4e8e\u8fd9\u4e9b\u7279\u6027\uff0cSkyWalking\u91c7\u7528\u4e86\u5206\u5c42\u538b\u7f29\u7b56\u7565\u4e0e\u667a\u80fd\u91c7\u6837\u673a\u5236\uff0c\u517c\u987e\u6570\u636e\u5b8c\u6574\u6027\u4e0e\u5b58\u50a8\u6548\u7387\u3002 \u4e8c\u3001\u6838\u5fc3\u538b\u7f29\u7b56\u7565\uff1a\u4ece\u4f20\u8f93\u5230\u5b58\u50a8\u7684\u5168\u5c40\u4f18\u5316 1. \u4f20\u8f93\u5c42\u534f\u8bae\u4f18\u5316\uff1a\u51cf\u5c11\u7f51\u7edc\u5f00\u9500 SkyWalking Agent\u4e0e\u540e\u7aef\u901a\u4fe1\u9ed8\u8ba4\u91c7\u7528gRPC\u534f\u8bae\uff0c\u5176\u57fa\u4e8eHTTP\/2\u7684\u7279\u6027\u5929\u7136\u652f\u6301\u5934\u90e8\u538b\u7f29\u3002\u4f46\u9488\u5bf9\u76d1\u63a7\u6570\u636e\u8d1f\u8f7d\uff0cSkyWalking\u8fdb\u4e00\u6b65\u4f18\u5316\u4e86\u7f16\u7801\u65b9\u5f0f\uff1a \u4f7f\u7528ProtoBuf\u66ff\u4ee3JSON\uff1a\u5e8f\u5217\u5316\u4f53\u79ef\u51cf\u5c11\u7ea630%-50%\uff0c\u540c\u65f6\u63d0\u5347\u89e3\u6790\u901f\u5ea6\uff1b \u5206\u5757\u538b\u7f29\uff08Chunked Compression\uff09\uff1a\u5c06Trace\u6570\u636e\u62c6\u5206\u4e3a\u591a\u4e2aChunk\uff0c\u5206\u522b\u8fdb\u884cSnappy\u538b\u7f29\u540e\u4f20\u8f93\uff0c\u964d\u4f4e\u5355\u6b21\u4f20\u8f93\u5ef6\u8fdf\u3002 2. \u5b58\u50a8\u5c42\u7f16\u7801\uff1a\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u7684\u538b\u7f29\u827a\u672f Metric\u6570\u636e\u901a\u5e38\u4ee5\u65f6\u95f4\u5e8f\u5217\u5f62\u5f0f\u5b58\u50a8\uff0cSkyWalking\u91c7\u7528\u5217\u5f0f\u5b58\u50a8\u7ed3\u6784\u5e76\u5e94\u7528\u591a\u79cd\u538b\u7f29\u7b97\u6cd5\uff1a Delta-of-Delta\u7f16\u7801\uff1a\u9488\u5bf9\u65f6\u95f4\u6233\u5b57\u6bb5\uff0c\u901a\u8fc7\u5b58\u50a8\u76f8\u90bb\u65f6\u95f4\u5dee\u800c\u975e\u7edd\u5bf9\u503c\uff0c\u5927\u5e45\u51cf\u5c11\u6570\u503c\u4f4d\u6570\uff1b Gorilla\u538b\u7f29\u7b97\u6cd5\uff1a\u5bf9\u6d6e\u70b9\u578b\u6307\u6807\uff08\u5982CPU\u4f7f\u7528\u7387\uff09\u8fdb\u884c\u5f02\u6216\u8fd0\u7b97\uff0c\u4ec5\u5b58\u50a8\u53d8\u5316\u90e8\u5206\uff1b \u5b57\u5178\u538b\u7f29\uff08Dictionary Encoding\uff09\uff1a\u5c06\u9ad8\u9891\u5b57\u7b26\u4e32\uff08\u5982\u670d\u52a1\u540d\uff09\u6620\u5c04\u4e3a\u77ed\u6574\u578bID\uff0c\u51cf\u5c11\u91cd\u590d\u5b58\u50a8\u3002 \u4e00\u6bb5\u5305\u542b\u91cd\u590d\u670d\u52a1\u540d\u7684Trace\u6570\u636e\u7ecf\u8fc7\u5b57\u5178\u538b\u7f29\u540e\uff0c\u5b58\u50a8\u4f53\u79ef\u53ef\u51cf\u5c1140%\u4ee5\u4e0a\u3002 \/\/ \u793a\u4f8b\uff1a\u5b57\u5178\u7f16\u7801\u5b9e\u73b0\u903b\u8f91\uff08\u7b80\u5316\u7248\uff09 Map&lt;String, Integer&gt; serviceDict = new HashMap&lt;&gt;(); List&lt;Trace&gt; compressTraces(List&lt;Trace&gt; rawTraces) { return rawTraces.stream() .map(trace -&gt; { int serviceId = serviceDict.computeIfAbsent( trace.getServiceName(), k -&gt; serviceDict.size() + 1 ); [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-37500","post","type-post","status-publish","format-standard","hentry","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/37500","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/comments?post=37500"}],"version-history":[{"count":1,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/37500\/revisions"}],"predecessor-version":[{"id":37502,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/37500\/revisions\/37502"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=37500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=37500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=37500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}