{"id":6787,"date":"2025-05-15T22:00:52","date_gmt":"2025-05-15T14:00:52","guid":{"rendered":"https:\/\/t.n-years.com\/?p=6787"},"modified":"2025-05-15T22:00:52","modified_gmt":"2025-05-15T14:00:52","slug":"span%ef%bc%88%e8%bf%bd%e8%b8%aa%ef%bc%89%e3%80%81metric%ef%bc%88%e6%8c%87%e6%a0%87%ef%bc%89%e3%80%81log%ef%bc%88%e6%97%a5%e5%bf%97%ef%bc%89-%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%92%8c%e5%ad%98","status":"publish","type":"post","link":"https:\/\/t.n-years.com\/?p=6787","title":{"rendered":"Span\uff08\u8ffd\u8e2a\uff09\u3001Metric\uff08\u6307\u6807\uff09\u3001Log\uff08\u65e5\u5fd7\uff09 \u6570\u636e\u5904\u7406\u548c\u5b58\u50a8\u6709\u4ec0\u4e48\u4e0d\u540c"},"content":{"rendered":"<p>Span\uff08\u8ffd\u8e2a\uff09\u3001Metric\uff08\u6307\u6807\uff09\u548cLog\uff08\u65e5\u5fd7\uff09\u662f\u53ef\u89c2\u6d4b\u6027\u7684\u4e09\u5927\u652f\u67f1\uff0c\u5b83\u4eec\u5728<strong>\u6570\u636e\u7279\u70b9\u3001\u5904\u7406\u65b9\u5f0f\u548c\u5b58\u50a8\u9700\u6c42<\/strong>\u4e0a\u5b58\u5728\u663e\u8457\u5dee\u5f02\uff0c\u5177\u4f53\u5bf9\u6bd4\u5982\u4e0b\uff1a<\/p>\n<h3><strong>\u4e00\u3001\u6570\u636e\u7279\u70b9\u5bf9\u6bd4<\/strong><\/h3>\n<table>\n<thead>\n<tr>\n<th><strong>\u7ef4\u5ea6<\/strong><\/th>\n<th><strong>Span\uff08\u8ffd\u8e2a\uff09<\/strong><\/th>\n<th><strong>Metric\uff08\u6307\u6807\uff09<\/strong><\/th>\n<th><strong>Log\uff08\u65e5\u5fd7\uff09<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u6570\u636e\u7c7b\u578b<\/strong><\/td>\n<td>\u7ed3\u6784\u5316\u7684\u79bb\u6563\u4e8b\u4ef6\uff08\u6811\u72b6\u7ed3\u6784\uff09<\/td>\n<td>\u805a\u5408\u7684\u65f6\u95f4\u5e8f\u5217\u6570\u636e\uff08\u6570\u503c\uff09<\/td>\n<td>\u534a\u7ed3\u6784\u5316\u6216\u975e\u7ed3\u6784\u5316\u6587\u672c<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6570\u636e\u91cf<\/strong><\/td>\n<td>\u9ad8\u57fa\u6570\uff08\u6bcf\u4e2a\u8bf7\u6c42\u751f\u6210\u552f\u4e00Span\uff09\uff0c\u5b58\u50a8\u6210\u672c\u9ad8<\/td>\n<td>\u4f4e\u57fa\u6570\uff08\u6309\u6307\u6807\u540d\u548c\u6807\u7b7e\u805a\u5408\uff09\uff0c\u5b58\u50a8\u6210\u672c\u4f4e<\/td>\n<td>\u9ad8\u541e\u5410\u91cf\uff08\u6bcf\u79d2\u6570\u4e07\u6761\uff09\uff0c\u5b58\u50a8\u6210\u672c\u9ad8<\/td>\n<\/tr>\n<tr>\n<td><strong>\u65f6\u6548\u6027<\/strong><\/td>\n<td>\u77ed\u671f\u5206\u6790\uff08\u6545\u969c\u6392\u67e5\u540e\u53ef\u4e22\u5f03\uff09<\/td>\n<td>\u957f\u671f\u8d8b\u52bf\u5206\u6790\uff08\u9700\u4fdd\u7559\u5386\u53f2\u6570\u636e\uff09<\/td>\n<td>\u77ed\u671f\u9ad8\u9891\u8bbf\u95ee\uff0c\u957f\u671f\u5f52\u6863<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6838\u5fc3\u4ef7\u503c<\/strong><\/td>\n<td>\u5168\u94fe\u8def\u8bf7\u6c42\u8def\u5f84\uff0c\u5b9a\u4f4d\u5355\u70b9\u6545\u969c<\/td>\n<td>\u7cfb\u7edf\u5b8f\u89c2\u72b6\u6001\uff0c\u8d8b\u52bf\u5206\u6790\u548c\u544a\u8b66<\/td>\n<td>\u8be6\u7ec6\u4e0a\u4e0b\u6587\uff0c\u95ee\u9898\u6839\u56e0\u5b9a\u4f4d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><strong>\u4e8c\u3001\u5904\u7406\u65b9\u5f0f\u5bf9\u6bd4<\/strong><\/h3>\n<h4><strong>1. \u91c7\u96c6\u9636\u6bb5<\/strong><\/h4>\n<ul>\n<li>\n<p><strong>Span<\/strong>\uff1a  <\/p>\n<ul>\n<li>\u901a\u8fc7 Agent\/SDK \u81ea\u52a8\u57cb\u70b9\uff08\u5982 Java Agent\u3001OpenTelemetry SDK\uff09\u3002  <\/li>\n<li>\u9700\u8bb0\u5f55\u5b8c\u6574\u8c03\u7528\u94fe\uff08Trace ID\u3001Span ID\u3001\u7236\u5b50\u5173\u7cfb\uff09\uff0c\u5bf9\u6027\u80fd\u6709\u4e00\u5b9a\u5f71\u54cd\uff08\u901a\u5e38 &lt;5% \u989d\u5916\u5f00\u9500\uff09\u3002  <\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Metric<\/strong>\uff1a  <\/p>\n<ul>\n<li>\u901a\u8fc7\u91c7\u6837\uff08\u5982\u6bcf 10 \u79d2\u91c7\u96c6\u4e00\u6b21 CPU \u4f7f\u7528\u7387\uff09\u6216\u805a\u5408\uff08\u5982\u6bcf\u5206\u949f\u7edf\u8ba1\u8bf7\u6c42\u6570\uff09\u3002  <\/li>\n<li>\u652f\u6301\u9884\u805a\u5408\uff08\u5982\u8ba1\u7b97 p95 \u54cd\u5e94\u65f6\u95f4\uff09\uff0c\u964d\u4f4e\u4f20\u8f93\u548c\u5b58\u50a8\u538b\u529b\u3002  <\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Log<\/strong>\uff1a  <\/p>\n<ul>\n<li>\u901a\u8fc7\u65e5\u5fd7\u6846\u67b6\uff08\u5982 Logback\u3001Log4j\uff09\u6216\u6587\u4ef6\u6536\u96c6\u5668\uff08\u5982 Fluentd\u3001Filebeat\uff09\u91c7\u96c6\u3002  <\/li>\n<li>\u652f\u6301\u8fc7\u6ee4\u654f\u611f\u4fe1\u606f\uff08\u5982\u6b63\u5219\u66ff\u6362\u5bc6\u7801\uff09\u548c\u7ed3\u6784\u5316\u5904\u7406\uff08JSON \u683c\u5f0f\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>2. \u5904\u7406\u9636\u6bb5<\/strong><\/h4>\n<ul>\n<li>\n<p><strong>Span<\/strong>\uff1a  <\/p>\n<ul>\n<li><strong>\u5173\u8054\u5206\u6790<\/strong>\uff1a\u901a\u8fc7 Trace ID \u5173\u8054\u540c\u4e00\u8bf7\u6c42\u7684\u6240\u6709 Span\u3002  <\/li>\n<li><strong>\u805a\u5408\u8ba1\u7b97<\/strong>\uff1a\u7edf\u8ba1 Span \u8017\u65f6\u5206\u5e03\u3001\u9519\u8bef\u7387\u7b49\u3002  <\/li>\n<li><strong>\u95ee\u9898<\/strong>\uff1a\u9ad8\u57fa\u6570\u5bfc\u81f4\u5b58\u50a8\u548c\u67e5\u8be2\u538b\u529b\u5927\uff0c\u9700\u5b9a\u671f\u6e05\u7406\u5386\u53f2\u6570\u636e\u3002  <\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Metric<\/strong>\uff1a  <\/p>\n<ul>\n<li><strong>\u65f6\u95f4\u7a97\u53e3\u805a\u5408<\/strong>\uff1a\u6309\u5206\u949f\/\u5c0f\u65f6\u8ba1\u7b97\u5e73\u5747\u503c\u3001\u6700\u5927\u503c\u3001\u5206\u4f4d\u6570\u3002  <\/li>\n<li><strong>\u964d\u91c7\u6837<\/strong>\uff1a\u957f\u671f\u6570\u636e\u964d\u4f4e\u7cbe\u5ea6\uff08\u5982 1 \u5929\u6570\u636e\u4fdd\u7559\u5206\u949f\u7ea7\uff0c1 \u5e74\u6570\u636e\u4fdd\u7559\u5c0f\u65f6\u7ea7\uff09\u3002  <\/li>\n<li><strong>\u544a\u8b66\u89e6\u53d1<\/strong>\uff1a\u57fa\u4e8e\u9608\u503c\u6216\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u68c0\u6d4b\u5f02\u5e38\u3002  <\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Log<\/strong>\uff1a  <\/p>\n<ul>\n<li><strong>\u89e3\u6790\u4e0e\u7ed3\u6784\u5316<\/strong>\uff1a\u63d0\u53d6\u5173\u952e\u5b57\u6bb5\uff08\u5982\u65f6\u95f4\u6233\u3001\u7ea7\u522b\u3001\u7528\u6237 ID\uff09\u3002  <\/li>\n<li><strong>\u5168\u6587\u7d22\u5f15<\/strong>\uff1a\u652f\u6301\u5173\u952e\u8bcd\u641c\u7d22\uff08\u5982\u901a\u8fc7\u9519\u8bef\u5806\u6808\u5feb\u901f\u5b9a\u4f4d\uff09\u3002  <\/li>\n<li><strong>\u5173\u8054\u5206\u6790<\/strong>\uff1a\u901a\u8fc7 Trace ID \u5173\u8054\u65e5\u5fd7\u4e0e Span\/Metric\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>3. \u5206\u6790\u9636\u6bb5<\/strong><\/h4>\n<ul>\n<li>\n<p><strong>Span<\/strong>\uff1a  <\/p>\n<ul>\n<li><strong>\u8c03\u7528\u94fe\u53ef\u89c6\u5316<\/strong>\uff1a\u5c55\u793a\u8bf7\u6c42\u5728\u670d\u52a1\u95f4\u7684\u4f20\u9012\u8def\u5f84\u3002  <\/li>\n<li><strong>\u6027\u80fd\u74f6\u9888\u5206\u6790<\/strong>\uff1a\u901a\u8fc7\u706b\u7130\u56fe\u3001\u8017\u65f6\u5206\u5e03\u627e\u51fa\u6162\u8282\u70b9\u3002  <\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Metric<\/strong>\uff1a  <\/p>\n<ul>\n<li><strong>\u591a\u7ef4\u5206\u6790<\/strong>\uff1a\u6309\u6807\u7b7e\u5206\u7ec4\uff08\u5982\u670d\u52a1\u540d\u3001\u73af\u5883\uff09\u5bf9\u6bd4\u6307\u6807\u3002  <\/li>\n<li><strong>\u8d8b\u52bf\u9884\u6d4b<\/strong>\uff1a\u57fa\u4e8e\u5386\u53f2\u6570\u636e\u9884\u6d4b\u8d44\u6e90\u4f7f\u7528\u8d8b\u52bf\u3002  <\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Log<\/strong>\uff1a  <\/p>\n<ul>\n<li><strong>\u5f02\u5e38\u68c0\u6d4b<\/strong>\uff1a\u901a\u8fc7\u5173\u952e\u8bcd\u5339\u914d\uff08\u5982 <code>ERROR<\/code>\u3001<code>Exception<\/code>\uff09\u53d1\u73b0\u95ee\u9898\u3002  <\/li>\n<li><strong>\u6a21\u5f0f\u8bc6\u522b<\/strong>\uff1a\u5206\u6790\u65e5\u5fd7\u5e8f\u5217\uff08\u5982\u767b\u5f55\u5931\u8d25 \u2192 \u6570\u636e\u5e93\u8fde\u63a5\u5f02\u5e38\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><strong>\u4e09\u3001\u5b58\u50a8\u65b9\u6848\u5bf9\u6bd4<\/strong><\/h3>\n<h4><strong>1. \u5b58\u50a8\u7cfb\u7edf\u9009\u578b<\/strong><\/h4>\n<table>\n<thead>\n<tr>\n<th><strong>\u7c7b\u578b<\/strong><\/th>\n<th><strong>\u63a8\u8350\u5b58\u50a8\u7cfb\u7edf<\/strong><\/th>\n<th><strong>\u5173\u952e\u7279\u6027<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Span<\/strong><\/td>\n<td>Elasticsearch\u3001Jaeger\u3001Apache Cassandra<\/td>\n<td>\u652f\u6301\u9ad8\u57fa\u6570\u67e5\u8be2\u3001\u5168\u6587\u641c\u7d22\u3001\u5feb\u901f\u5199\u5165<\/td>\n<\/tr>\n<tr>\n<td><strong>Metric<\/strong><\/td>\n<td>\u65f6\u5e8f\u6570\u636e\u5e93\uff08InfluxDB\u3001Prometheus\uff09<\/td>\n<td>\u9ad8\u6548\u65f6\u95f4\u5e8f\u5217\u5b58\u50a8\u3001\u805a\u5408\u67e5\u8be2\u3001\u964d\u91c7\u6837<\/td>\n<\/tr>\n<tr>\n<td><strong>Log<\/strong><\/td>\n<td>ELK Stack\uff08Elasticsearch + Logstash + Kibana\uff09\u3001Grafana Loki<\/td>\n<td>\u5168\u6587\u7d22\u5f15\u3001\u9ad8\u541e\u5410\u91cf\u5199\u5165\u3001\u53ef\u89c6\u5316\u5c55\u793a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><strong>2. \u5b58\u50a8\u7ed3\u6784\u4e0e\u4f18\u5316<\/strong><\/h4>\n<ul>\n<li>\n<p><strong>Span<\/strong>\uff1a  <\/p>\n<ul>\n<li><strong>\u5b58\u50a8\u7ed3\u6784<\/strong>\uff1a\u6309 Trace ID \u805a\u5408\uff0c\u6bcf\u4e2a Trace \u5305\u542b\u591a\u4e2a Span\u3002  <\/li>\n<li><strong>\u4f18\u5316<\/strong>\uff1a  <\/li>\n<li>\u51b7\u70ed\u5206\u79bb\uff1a\u8fd1\u671f\u6570\u636e\u5b58\u9ad8\u6027\u80fd\u5b58\u50a8\uff08\u5982 Elasticsearch\uff09\uff0c\u5386\u53f2\u6570\u636e\u5f52\u6863\u5230\u4f4e\u6210\u672c\u5b58\u50a8\uff08\u5982 S3\uff09\u3002  <\/li>\n<li>\u91c7\u6837\u7b56\u7565\uff1a\u5bf9\u9ad8\u9891\u8bf7\u6c42\u91c7\u6837\uff08\u5982\u53ea\u5b58\u50a8 1% \u7684\u8bf7\u6c42\uff09\u3002  <\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Metric<\/strong>\uff1a  <\/p>\n<ul>\n<li><strong>\u5b58\u50a8\u7ed3\u6784<\/strong>\uff1a\u952e\u503c\u5bf9\uff08\u6307\u6807\u540d + \u6807\u7b7e \u2192 \u65f6\u95f4\u5e8f\u5217\uff09\u3002  <\/li>\n<li><strong>\u4f18\u5316<\/strong>\uff1a  <\/li>\n<li>\u9884\u8ba1\u7b97\u805a\u5408\u503c\uff08\u5982\u6bcf\u65e5\u5e73\u5747\u503c\uff09\uff0c\u51cf\u5c11\u5b9e\u65f6\u67e5\u8be2\u538b\u529b\u3002  <\/li>\n<li>\u6309\u65f6\u95f4\u5206\u533a\uff08\u5982\u6bcf\u5929\u4e00\u4e2a\u6587\u4ef6\uff09\uff0c\u63d0\u5347\u67e5\u8be2\u6548\u7387\u3002  <\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Log<\/strong>\uff1a  <\/p>\n<ul>\n<li><strong>\u5b58\u50a8\u7ed3\u6784<\/strong>\uff1a\u6587\u6863\u5f62\u5f0f\uff08JSON \u6216\u6587\u672c\uff09\u3002  <\/li>\n<li><strong>\u4f18\u5316<\/strong>\uff1a  <\/li>\n<li>\u538b\u7f29\u5b58\u50a8\uff08\u5982\u4f7f\u7528 LZ4 \u538b\u7f29\uff09\u3002  <\/li>\n<li>\u6309\u91cd\u8981\u6027\u5206\u7ea7\u5b58\u50a8\uff08\u6838\u5fc3\u4e1a\u52a1\u65e5\u5fd7\u4fdd\u7559\u66f4\u4e45\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>3. \u5b58\u50a8\u6210\u672c\u4e0e\u65f6\u6548<\/strong><\/h4>\n<ul>\n<li>\n<p><strong>Span<\/strong>\uff1a  <\/p>\n<ul>\n<li><strong>\u4fdd\u7559\u65f6\u95f4<\/strong>\uff1a\u901a\u5e38 7-30 \u5929\uff08\u53d6\u51b3\u4e8e\u4e1a\u52a1\u9700\u6c42\u548c\u5b58\u50a8\u6210\u672c\uff09\u3002  <\/li>\n<li><strong>\u6210\u672c<\/strong>\uff1a\u9ad8\uff08\u6bcf\u6761\u8bf7\u6c42\u751f\u6210\u5927\u91cf\u6570\u636e\uff09\u3002  <\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Metric<\/strong>\uff1a  <\/p>\n<ul>\n<li><strong>\u4fdd\u7559\u65f6\u95f4<\/strong>\uff1a\u77ed\u671f\uff08\u5982 2 \u5468\uff09\u660e\u7ec6\u6570\u636e + \u957f\u671f\uff08\u5982 1 \u5e74\uff09\u805a\u5408\u6570\u636e\u3002  <\/li>\n<li><strong>\u6210\u672c<\/strong>\uff1a\u4e2d\uff08\u901a\u8fc7\u964d\u91c7\u6837\u63a7\u5236\uff09\u3002  <\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Log<\/strong>\uff1a  <\/p>\n<ul>\n<li><strong>\u4fdd\u7559\u65f6\u95f4<\/strong>\uff1a\u5173\u952e\u65e5\u5fd7\uff08\u5982\u9519\u8bef\u65e5\u5fd7\uff09\u4fdd\u7559 30-90 \u5929\uff0c\u666e\u901a\u65e5\u5fd7\u4fdd\u7559 7-14 \u5929\u3002  <\/li>\n<li><strong>\u6210\u672c<\/strong>\uff1a\u9ad8\uff08\u9700\u5904\u7406\u548c\u5b58\u50a8\u5927\u91cf\u6587\u672c\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><strong>\u56db\u3001\u5178\u578b\u6280\u672f\u6808\u5bf9\u6bd4<\/strong><\/h3>\n<table>\n<thead>\n<tr>\n<th><strong>\u573a\u666f<\/strong><\/th>\n<th><strong>Span \u89e3\u51b3\u65b9\u6848<\/strong><\/th>\n<th><strong>Metric \u89e3\u51b3\u65b9\u6848<\/strong><\/th>\n<th><strong>Log \u89e3\u51b3\u65b9\u6848<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u5f00\u6e90\u65b9\u6848<\/strong><\/td>\n<td>OpenTelemetry + Jaeger\/Elasticsearch<\/td>\n<td>Prometheus + Grafana<\/td>\n<td>ELK Stack\uff08Elasticsearch + Kibana\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4e91\u5382\u5546\u65b9\u6848<\/strong><\/td>\n<td>AWS X-Ray\u3001Google Cloud Trace<\/td>\n<td>AWS CloudWatch\u3001Azure Monitor<\/td>\n<td>AWS CloudWatch Logs\u3001Google Cloud Logging<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6df7\u5408\u65b9\u6848<\/strong><\/td>\n<td>OpenTelemetry + \u81ea\u5b9a\u4e49\u5b58\u50a8<\/td>\n<td>Prometheus + Thanos\uff08\u957f\u671f\u5b58\u50a8\uff09<\/td>\n<td>Fluentd + S3\uff08\u5f52\u6863\uff09 + Elasticsearch\uff08\u67e5\u8be2\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><strong>\u4e94\u3001\u96c6\u6210\u4e0e\u8054\u52a8<\/strong><\/h3>\n<p>\u867d\u7136\u4e09\u8005\u5b58\u50a8\u548c\u5904\u7406\u65b9\u5f0f\u4e0d\u540c\uff0c\u4f46\u9700\u901a\u8fc7 <strong>Trace ID<\/strong> \u5b9e\u73b0\u8054\u52a8\uff1a  <\/p>\n<ol>\n<li><strong>Span \u2192 Metric<\/strong>\uff1a\u4ece Span \u63d0\u53d6\u6307\u6807\uff08\u5982\u8bf7\u6c42\u8017\u65f6\uff09\uff0c\u751f\u6210\u6027\u80fd\u6307\u6807\u3002  <\/li>\n<li><strong>Span \u2192 Log<\/strong>\uff1a\u5728 Span \u4e2d\u8bb0\u5f55\u5173\u952e\u65e5\u5fd7\u4e8b\u4ef6\uff08\u5982\u6570\u636e\u5e93\u67e5\u8be2\u53c2\u6570\uff09\u3002  <\/li>\n<li><strong>Metric \u2192 Span<\/strong>\uff1a\u5f53\u6307\u6807\u5f02\u5e38\u65f6\uff0c\u5173\u8054\u67e5\u8be2\u5bf9\u5e94\u65f6\u95f4\u7a97\u53e3\u7684 Span \u94fe\u3002  <\/li>\n<li><strong>Log \u2192 Span<\/strong>\uff1a\u901a\u8fc7\u65e5\u5fd7\u4e2d\u7684 Trace ID \u5feb\u901f\u5b9a\u4f4d\u5b8c\u6574\u8c03\u7528\u94fe\u3002<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u8fd9\u79cd\u8054\u52a8\uff0c\u53ef\u6784\u5efa\u5b8c\u6574\u7684\u53ef\u89c2\u6d4b\u6027\u4f53\u7cfb\uff1a\u4ece\u5b8f\u89c2\u6307\u6807\u53d1\u73b0\u95ee\u9898 \u2192 \u901a\u8fc7\u8c03\u7528\u94fe\u5b9a\u4f4d\u6545\u969c\u70b9 \u2192 \u901a\u8fc7\u65e5\u5fd7\u83b7\u53d6\u8be6\u7ec6\u4e0a\u4e0b\u6587\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Span\uff08\u8ffd\u8e2a\uff09\u3001Metric\uff08\u6307\u6807\uff09\u548cLog\uff08\u65e5\u5fd7\uff09\u662f\u53ef\u89c2\u6d4b\u6027\u7684\u4e09\u5927\u652f\u67f1\uff0c\u5b83\u4eec\u5728\u6570\u636e\u7279\u70b9\u3001\u5904\u7406\u65b9\u5f0f\u548c\u5b58\u50a8\u9700\u6c42&#8230; <\/p>\n<div class=\"read-more navbutton\"><a href=\"https:\/\/t.n-years.com\/?p=6787\">\u9605\u8bfb\u66f4\u591a<i class=\"fa fa-angle-double-right\"><\/i><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-6787","post","type-post","status-publish","format-standard","hentry","category-5"],"_links":{"self":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6787","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6787"}],"version-history":[{"count":1,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6787\/revisions"}],"predecessor-version":[{"id":6788,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6787\/revisions\/6788"}],"wp:attachment":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}