{"id":33658,"date":"2026-10-16T18:00:00","date_gmt":"2026-10-16T10:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33658"},"modified":"2026-10-16T16:24:04","modified_gmt":"2026-10-16T08:24:04","slug":"prometheus-node-exporter-troubleshooting","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/tutorials\/prometheus-node-exporter-troubleshooting\/","title":{"rendered":"node_exporter \u6293\u53d6\u5931\u8d25\u600e\u4e48\u6392\u67e5\uff1fPrometheus \u670d\u52a1\u5668\u76d1\u63a7\u6392\u969c\u6307\u5357"},"content":{"rendered":"<p>\u90e8\u7f72\u5b8c\u76d1\u63a7\u5374\u770b\u4e0d\u5230\u6570\u636e\uff0c\u662f\u5f88\u591a\u4eba\u63a5\u5165 Prometheus \u65f6\u90fd\u4f1a\u5361\u4f4f\u7684\u4e00\u6b65\uff1anode_exporter \u660e\u660e\u5df2\u7ecf\u542f\u52a8\uff0cPrometheus \u7684 Targets \u9875\u9762\u5374\u4e00\u76f4\u663e\u793a DOWN\uff0c\u6216\u8005\u5e72\u8106\u67e5\u4e0d\u5230\u4efb\u4f55\u6307\u6807\u3002\u8fd9\u7bc7\u6587\u7ae0\u89e3\u51b3\u7684\u5c31\u662f\u8fd9\u4e2a\u95ee\u9898\u2014\u2014\u6559\u4f60\u5982\u4f55\u7cfb\u7edf\u6392\u67e5 Prometheus \u6293\u53d6 node_exporter \u5931\u8d25\u7684\u5404\u7c7b\u6545\u969c\uff0c\u6309&#8221;\u76ee\u6807\u4e0d\u53ef\u8fbe\u3001\u7aef\u53e3\u672a\u76d1\u542c\u3001\u6293\u53d6\u8d85\u65f6\u3001\u6570\u636e\u7f3a\u5931&#8221;\u56db\u7c7b\u9010\u4e00\u7ed9\u51fa\u5177\u4f53\u547d\u4ee4\u548c\u4fee\u590d\u65b9\u6cd5\u3002\u4e0e\u4ece\u96f6\u90e8\u7f72\u6559\u7a0b\u4e0d\u540c\uff0c\u672c\u6587\u9ed8\u8ba4\u4f60\u7684\u76d1\u63a7\u94fe\u8def\u5df2\u7ecf\u642d\u597d\uff0c\u91cd\u70b9\u653e\u5728\u6545\u969c\u5b9a\u4f4d\u4e0a\u3002\u770b\u5b8c\u4e4b\u540e\uff0c\u5927\u591a\u6570\u6293\u53d6\u95ee\u9898\u4f60\u90fd\u80fd\u5728\u5341\u5206\u949f\u5185\u5b9a\u4f4d\u5230\u5177\u4f53\u73af\u8282\u3002<\/p>\n<h2>\u5148\u5206\u6e05\u56db\u79cd\u6545\u969c\u5f62\u6001<\/h2>\n<p>\u5904\u7406\u6293\u53d6\u95ee\u9898\u4e4b\u524d\uff0c\u5148\u5728 Prometheus \u7684 Status \u2192 Targets \u9875\u9762\u786e\u8ba4\u4f60\u7684\u76ee\u6807\u5904\u4e8e\u54ea\u79cd\u72b6\u6001\uff0c\u8fd9\u76f4\u63a5\u51b3\u5b9a\u4e86\u6392\u67e5\u65b9\u5411\u3002\u56db\u79cd\u5f62\u6001\u5bf9\u5e94\u7684\u75c5\u56e0\u5b8c\u5168\u4e0d\u540c\uff0c\u6df7\u5728\u4e00\u8d77\u67e5\u4f1a\u6d6a\u8d39\u5927\u91cf\u65f6\u95f4\uff1a<\/p>\n<ul>\n<li>UP \u4f46\u6570\u636e\u4e3a\u7a7a\uff1a\u6293\u53d6\u94fe\u8def\u6b63\u5e38\uff0c\u95ee\u9898\u5728 exporter \u91c7\u96c6\u5c42\u6216\u6307\u6807\u540d\u79f0<\/li>\n<li>DOWN \u4e14\u62a5 connection refused\uff1a\u76ee\u6807\u673a\u5668\u6216\u7aef\u53e3\u4e0d\u901a\uff0c\u5148\u67e5\u8fdb\u7a0b\u548c\u76d1\u542c<\/li>\n<li>DOWN \u4e14\u62a5 context deadline exceeded\uff1a\u7f51\u7edc\u6216\u8d1f\u8f7d\u5bfc\u81f4\u8d85\u65f6\uff0c\u5148\u770b\u5ef6\u8fdf\u548c\u8d44\u6e90<\/li>\n<li>\u76ee\u6807\u6839\u672c\u4e0d\u5728\u5217\u8868\u91cc\uff1a\u6293\u53d6\u914d\u7f6e\u6ca1\u751f\u6548\uff0c\u67e5 prometheus.yml \u4e0e\u91cd\u8f7d\u64cd\u4f5c<\/li>\n<\/ul>\n<p>\u6253\u5f00 Targets \u9875\u9762\u7684 Error \u5217\uff0c\u628a\u9519\u8bef\u4fe1\u606f\u590d\u5236\u4e0b\u6765\u5bf9\u7167\u4e0a\u9762\u7684\u5206\u7c7b\u3002\u6bd4\u5982\u663e\u793a <code>Get \"http:\/\/10.0.0.5:9100\/metrics\": dial tcp 10.0.0.5:9100: connect: connection refused<\/code>\uff0c\u5c31\u5c5e\u4e8e\u7b2c\u4e8c\u7c7b\uff0c\u53ef\u4ee5\u76f4\u63a5\u8df3\u5230\u5bf9\u5e94\u7ae0\u8282\u5904\u7406\uff0c\u4e0d\u7528\u4ece\u5934\u6392\u67e5\u3002\u66f4\u591a\u76d1\u63a7\u94fe\u8def\u7684\u90e8\u7f72\u80cc\u666f\uff0c\u53ef\u4ee5\u7ed3\u5408\u6211\u4eec\u7684<a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668\u535a\u5ba2\u4e13\u533a<\/a>\u91cc\u7684\u76f8\u5173\u6587\u7ae0\u4e00\u8d77\u770b\u3002<\/p>\n<h2>\u76ee\u6807\u4e0d\u53ef\u8fbe\uff1a\u8fdb\u7a0b\u4e0e\u76d1\u542c\u68c0\u67e5<\/h2>\n<p>connection refused \u8bf4\u660e Prometheus \u80fd\u627e\u5230\u8fd9\u53f0\u673a\u5668\uff0c\u4f46 9100 \u7aef\u53e3\u6ca1\u6709\u4eba\u5e94\u7b54\u3002\u6700\u5e38\u89c1\u7684\u4e24\u4e2a\u539f\u56e0\u662f node_exporter \u8fdb\u7a0b\u6302\u4e86\uff0c\u6216\u8005\u76d1\u542c\u5730\u5740\u914d\u6210\u4e86 127.0.0.1\u3002\u767b\u5f55\u76ee\u6807\u670d\u52a1\u5668\u4f9d\u6b21\u6267\u884c\u8fd9\u4e09\u6761\u547d\u4ee4\uff0c\u4e00\u5206\u949f\u5185\u5c31\u80fd\u5b9a\u4f4d\uff1a<\/p>\n<pre><code class=\"language-bash\">systemctl status node_exporter\nss -tlnp | grep 9100\ncurl -s http:\/\/127.0.0.1:9100\/metrics | head -5\n<\/code><\/pre>\n<p>\u5982\u679c systemctl \u663e\u793a inactive \u6216 failed\uff0c\u5148\u770b\u65e5\u5fd7\u627e\u9000\u51fa\u539f\u56e0\uff1a<code>journalctl -u node_exporter --since \"10 min ago\"<\/code>\u3002\u5e38\u89c1\u7684\u662f\u914d\u7f6e\u6587\u4ef6\u53c2\u6570\u5199\u9519\u5bfc\u81f4\u542f\u52a8\u5931\u8d25\uff0c\u4fee\u6b63\u540e <code>systemctl restart node_exporter<\/code> \u5373\u53ef\u3002\u5982\u679c\u8fdb\u7a0b\u6b63\u5e38\u4f46 ss \u8f93\u51fa\u91cc\u76d1\u542c\u5730\u5740\u662f <code>127.0.0.1:9100<\/code>\uff0c\u8bf4\u660e\u542f\u52a8\u53c2\u6570\u5e26\u4e86 <code>--web.listen-address=127.0.0.1:9100<\/code>\uff0c\u6539\u6210 <code>0.0.0.0:9100<\/code> \u5e76\u91cd\u542f\uff0c\u8ba9\u5916\u90e8\u7f51\u5361\u4e5f\u80fd\u8bbf\u95ee\u3002\u7b2c\u4e09\u6761 curl \u547d\u4ee4\u80fd\u8f93\u51fa\u4e00\u5806 <code># HELP<\/code> \u5f00\u5934\u7684\u6587\u672c\uff0c\u624d\u8bf4\u660e\u672c\u673a\u91c7\u96c6\u6b63\u5e38\uff0c\u95ee\u9898\u786e\u5b9e\u51fa\u5728\u7f51\u7edc\u5c42\u3002\u5982\u679c\u6392\u67e5\u4e0b\u6765\u53d1\u73b0\u76ee\u6807\u673a\u5668\u672c\u8eab\u914d\u7f6e\u8fc7\u4f4e\u3001\u8d44\u6e90\u957f\u671f\u5403\u7d27\uff0c\u4e5f\u53ef\u4ee5\u8003\u8651<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u5347\u7ea7\u5230\u72ec\u7acb\u670d\u52a1\u5668<\/a>\u6765\u627f\u8f7d\u76d1\u63a7\u8d1f\u8f7d\u3002<\/p>\n<p>\u7f51\u7edc\u5c42\u6392\u67e5\u7528\u4e24\u6761\u547d\u4ee4\u6536\u5c3e\uff1a\u5728 Prometheus \u6240\u5728\u673a\u5668\u6267\u884c <code>curl -m 5 http:\/\/&lt;\u76ee\u6807IP&gt;:9100\/metrics<\/code> \u9a8c\u8bc1\u8fde\u901a\u6027\uff0c\u4e0d\u901a\u7684\u8bdd\u518d\u67e5\u4e2d\u95f4\u7684\u9632\u706b\u5899\u3002\u4e91\u670d\u52a1\u5668\uff08\u4e91\u7aef\u79df\u7528\u7684\u865a\u62df\u5316\u670d\u52a1\u5668\uff09\u573a\u666f\u4f18\u5148\u68c0\u67e5\u5b89\u5168\u7ec4\u662f\u5426\u653e\u884c\u4e86 9100 \u7aef\u53e3\u2014\u2014\u8fd9\u662f\u65b0\u624b\u6293\u53d6\u5931\u8d25\u6700\u9ad8\u9891\u7684\u539f\u56e0\u3002\u5982\u679c\u4f60\u7528\u7684\u662f Hostease \u7684\u4e91\u670d\u52a1\u5668\u6216<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff0c\u53ef\u4ee5\u5728\u63a7\u5236\u9762\u677f\u91cc\u76f4\u63a5\u7f16\u8f91\u9632\u706b\u5899\u89c4\u5219\u653e\u884c\u8be5\u7aef\u53e3\uff0c\u6539\u5b8c\u7acb\u5373\u751f\u6548\uff0c\u4e0d\u7528\u91cd\u542f\u5b9e\u4f8b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/prometheus-node-exporter-connection-check.webp\" alt=\"Prometheus \u5230 node_exporter \u4e09\u79cd\u8fde\u63a5\u5931\u8d25\u5f62\u6001\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u6293\u53d6\u8d85\u65f6\uff1a\u8d85\u65f6\u4e0e\u8d44\u6e90\u74f6\u9888<\/h2>\n<p>context deadline exceeded \u8bf4\u660e\u8fde\u63a5\u80fd\u5efa\u7acb\uff0c\u4f46 Prometheus \u5728\u8bbe\u5b9a\u7684\u6293\u53d6\u7a97\u53e3\u5185\u6ca1\u62ff\u5230\u5b8c\u6574\u54cd\u5e94\u3002\u9ed8\u8ba4\u6293\u53d6\u8d85\u65f6\u662f scrape_timeout \u51cf\u53bb\u4e00\u4e2a\u4f59\u91cf\uff08\u9ed8\u8ba4 10 \u79d2\u7a97\u53e3\uff09\uff0c\u4e00\u53f0\u8d1f\u8f7d\u5f88\u9ad8\u7684\u673a\u5668\u5f88\u5bb9\u6613\u8d85\u65f6\u3002\u5206\u4e09\u6b65\u5b9a\u4f4d\uff1a<\/p>\n<pre><code class=\"language-bash\">time curl -s http:\/\/&lt;\u76ee\u6807IP&gt;:9100\/metrics -o \/dev\/null\ntop -bn1 | head -5\ngrep -c &quot;&quot; \/proc\/net\/dev\n<\/code><\/pre>\n<p>\u7b2c\u4e00\u6761\u547d\u4ee4\u76f4\u63a5\u6d4b\u91cf \/metrics \u63a5\u53e3\u7684\u771f\u5b9e\u54cd\u5e94\u65f6\u95f4\u3002\u5982\u679c\u672c\u5730 curl \u90fd\u8981\u5341\u51e0\u79d2\uff0c\u95ee\u9898\u5728\u76ee\u6807\u673a\u5668\u81ea\u8eab\u2014\u2014\u901a\u5e38\u662f node_exporter \u91c7\u96c6\u67d0\u4e9b\u6307\u6807\u65f6\u88ab\u7cfb\u7edf\u8c03\u7528\u62d6\u6162\uff0c\u6bd4\u5982\u6302\u8f7d\u4e86\u6545\u969c\u7684 NFS \u76ee\u5f55\u4f1a\u8ba9\u6587\u4ef6\u7cfb\u7edf\u7edf\u8ba1\u5361\u4f4f\u3002\u7528 <code>--collector.disable-defaults --collector.enable=cpu,memory,meminfo,diskstats,filesystem,loadavg,netdev<\/code> \u53ea\u542f\u7528\u6838\u5fc3\u91c7\u96c6\u5668\u505a\u5bf9\u6bd4\u6d4b\u8bd5\uff0c\u80fd\u5feb\u901f\u9501\u5b9a\u662f\u54ea\u4e2a\u91c7\u96c6\u5668\u62d6\u6162\u4e86\u54cd\u5e94\u3002<\/p>\n<p>\u5982\u679c\u672c\u5730 curl \u79d2\u56de\u4f46 Prometheus \u4ecd\u7136\u8d85\u65f6\uff0c\u95ee\u9898\u591a\u534a\u5728\u7f51\u7edc\u5ef6\u8fdf\u6216 Prometheus \u81ea\u8eab\u8d1f\u8f7d\u3002\u524d\u8005\u7528 ping \u548c mtr \u68c0\u67e5\u8de8\u673a\u623f\u94fe\u8def\u8d28\u91cf\uff0c\u8de8\u5730\u57df\u6293\u53d6\u5efa\u8bae\u628a scrape_interval \u653e\u5bbd\u5230 30s \u4ee5\u4e0a\uff1b\u540e\u8005\u67e5\u770b Prometheus \u8fdb\u7a0b\u7684 CPU \u548c\u5185\u5b58\u5360\u7528\uff0c\u76ee\u6807\u6570\u91cf\u8d85\u8fc7\u51e0\u767e\u4e2a\u65f6\u5355\u5b9e\u4f8b\u5bb9\u6613\u5403\u7d27\uff0c\u8fd9\u65f6\u5e94\u8be5\u6309\u4e1a\u52a1\u7ebf\u62c6\u5206\u5b9e\u4f8b\u6216\u542f\u7528\u8054\u90a6\u96c6\u7fa4\u3002\u5173\u4e8e\u591a\u5b9e\u4f8b\u7684\u67b6\u6784\u53d6\u820d\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u4e4b\u524d\u5199\u7684 <a href=\"https:\/\/cn.hostease.com\/blog\/guides\/node-exporter-vps-alerting\/\">Prometheus Node Exporter \u76d1\u63a7 VPS\uff1a\u5bb9\u91cf\u544a\u8b66\u914d\u7f6e\u6307\u5357<\/a>\uff0c\u91cc\u9762\u5bf9\u6bd4\u4e86\u5355\u673a\u4e0e\u5206\u5c42\u76d1\u63a7\u7684\u9002\u7528\u573a\u666f\u3002<\/p>\n<h2>\u6570\u636e\u7f3a\u5931\uff1a\u6307\u6807\u67e5\u4e0d\u5230\u7684\u4e09\u4e2a\u539f\u56e0<\/h2>\n<p>\u76ee\u6807\u663e\u793a UP\uff0c\u4f46\u5728 Prometheus \u91cc\u67e5\u4e0d\u5230\u9884\u671f\u6307\u6807\uff0c\u901a\u5e38\u662f\u8fd9\u4e09\u79cd\u60c5\u51b5\u3002\u9010\u4e00\u5bf9\u7167\u5904\u7406\uff0c\u7edd\u5927\u591a\u6570\u80fd\u5f53\u573a\u89e3\u51b3\uff1a<\/p>\n<ul>\n<li>\u6307\u6807\u540d\u5199\u9519\uff1a\u7528 <code>curl -s http:\/\/&lt;\u76ee\u6807IP&gt;:9100\/metrics | grep &lt;\u5173\u952e\u8bcd&gt;<\/code> \u786e\u8ba4\u771f\u5b9e\u6307\u6807\u540d\uff0cPromQL \u533a\u5206\u5927\u5c0f\u5199\u4e14\u4e0b\u5212\u7ebf\u4e0d\u80fd\u5199\u9519<\/li>\n<li>\u65f6\u95f4\u8303\u56f4\u9009\u9519\uff1aGraph \u9875\u9762\u9ed8\u8ba4\u5c55\u793a\u6700\u8fd1 1 \u5c0f\u65f6\uff0c\u786e\u8ba4\u67e5\u8be2\u65f6\u95f4\u8303\u56f4\u8986\u76d6\u76ee\u6807\u521a\u53d8\u6210 UP \u7684\u65f6\u523b<\/li>\n<li>\u67e5\u8be2\u8bed\u53e5\u8bed\u6cd5\u95ee\u9898\uff1anode_exporter \u8fd4\u56de\u7684\u662f\u5e26\u6807\u7b7e\u7684\u6307\u6807\uff0c\u6bd4\u5982\u6309\u8bbe\u5907\u533a\u5206\u7684\u78c1\u76d8\u6307\u6807\uff0c\u67e5\u8be2\u65f6\u6f0f\u6389\u6807\u7b7e\u8fc7\u6ee4\u4f1a\u5bfc\u81f4\u7ed3\u679c\u88ab\u805a\u5408\u6216\u4e3a\u7a7a<\/li>\n<\/ul>\n<p>\u7279\u522b\u63d0\u9192\u7b2c\u4e00\u70b9\uff1a\u5f88\u591a\u6559\u7a0b\u91cc\u5199\u7684\u6307\u6807\u540d\u6765\u81ea\u65e7\u7248\u672c node_exporter\uff0c\u65b0\u7248\u672c\u5df2\u7ecf\u62c6\u5206\u6216\u6539\u540d\u3002\u4f8b\u5982\u5185\u5b58\u76f8\u5173\u6307\u6807\u5728\u65b0\u7248\u672c\u4e2d\u662f node_memory_MemAvailable_bytes \u800c\u4e0d\u662f\u65e9\u671f\u6587\u6863\u91cc\u7684 node_memory_MemFree \u5355\u4f4d\u5199\u6cd5\uff0c\u7f51\u5361\u6307\u6807 node_network_receive_bytes_total \u4e5f\u5e38\u88ab\u8bef\u5199\u6210 receive_bytes\u3002\u9a8c\u8bc1\u65b9\u6cd5\u5f88\u7b80\u5355\uff0c\u76f4\u63a5 curl \u6293\u53d6\u7aef\u70b9 grep \u4e00\u4e0b\uff0c\u4ee5\u5b9e\u9645\u8f93\u51fa\u4e3a\u51c6\uff0c\u4e0d\u8981\u51ed\u8bb0\u5fc6\u5199 PromQL\u3002<\/p>\n<p>\u53e6\u4e00\u4e2a\u9690\u853d\u539f\u56e0\u662f\u67e5\u8be2\u65f6\u95f4\u7ebf\u7684 stale \u6807\u8bb0\u3002\u5982\u679c\u76ee\u6807\u66fe\u7ecf DOWN \u8fc7\u4e00\u6bb5\u65f6\u95f4\uff0c\u4e4b\u524d\u65f6\u95f4\u6bb5\u7684\u56fe\u4f1a\u663e\u793a\u4e3a\u7a7a\uff0c\u8fd9\u5c5e\u4e8e\u6b63\u5e38\u73b0\u8c61\u800c\u4e0d\u662f\u6570\u636e\u4e22\u5931\uff1b\u628a\u65f6\u95f4\u8303\u56f4\u8c03\u5927\uff0c\u786e\u8ba4 UP \u4e4b\u540e\u7684\u65f6\u95f4\u6bb5\u6709\u6570\u636e\u5373\u53ef\u3002<\/p>\n<h2>\u544a\u8b66\u6ca1\u89e6\u53d1\uff1a\u4ece\u89c4\u5219\u5230\u901a\u77e5\u9010\u6bb5\u9a8c\u8bc1<\/h2>\n<p>\u6570\u636e\u80fd\u67e5\u5230\u4e86\uff0c\u4e0b\u4e00\u6b65\u662f\u8ba9\u544a\u8b66\u771f\u6b63\u53d1\u51fa\u6765\u3002\u8fd9\u6761\u94fe\u8def\u6709\u56db\u4e2a\u73af\u8282\uff0c\u4efb\u4f55\u4e00\u73af\u65ad\u6389\u90fd\u4f1a\u5bfc\u81f4&#8221;\u6545\u969c\u53d1\u751f\u4e86\u5374\u6ca1\u4eba\u77e5\u9053&#8221;\u3002\u6211\u4eec\u5efa\u8bae\u6309\u6570\u636e\u6d41\u5411\u9010\u6bb5\u9a8c\u8bc1\uff0c\u800c\u4e0d\u662f\u76ef\u7740\u4e00\u5904\u53cd\u590d\u6539\uff1a<\/p>\n<ul>\n<li>Alertmanager \u9875\u9762\u786e\u8ba4\u544a\u8b66\u5df2\u5230\u8fbe\u4e14\u72b6\u6001\u662f firing<\/li>\n<li>prometheus.yml \u4e2d alerting \u6bb5\u7684 alertmanager \u5730\u5740\u3001\u7aef\u53e3\u6b63\u786e\u4e14\u53ef\u8fbe<\/li>\n<li>\u8def\u7531\u89c4\u5219 route \u7684\u5339\u914d\u6807\u7b7e\u4e0e\u544a\u8b66\u6807\u7b7e\u4e00\u81f4\uff0c\u5426\u5219\u544a\u8b66\u4f1a\u88ab\u8def\u7531\u5230\u7a7a\u63a5\u6536\u5668<\/li>\n<li>receiver \u914d\u7f6e\u7684\u901a\u77e5\u6e20\u9053\u53c2\u6570\uff08SMTP\u3001webhook\uff09\u7ecf\u5b9e\u9645\u6d4b\u8bd5\u53ef\u7528<\/li>\n<\/ul>\n<p>\u521d\u6b21\u63a5\u5165\u76d1\u63a7\u7684\u8bfb\u8005\u5982\u679c\u5bf9\u6574\u5957\u94fe\u8def\u8fd8\u4e0d\u719f\u6089\uff0c\u5efa\u8bae\u5148\u9605\u8bfb<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">\u7f51\u7ad9\u6027\u80fd\u4f18\u5316\u6307\u5357<\/a>\u4e86\u89e3\u6307\u6807\u4e0e\u4f53\u9a8c\u7684\u5173\u7cfb\uff0c\u518d\u56de\u5230\u672c\u6587\u5904\u7406\u5177\u4f53\u6545\u969c\u3002<\/p>\n<p>\u9a8c\u8bc1\u524d\u4e24\u73af\u7684\u5feb\u901f\u65b9\u6cd5\uff1a\u5728 Prometheus \u7684 Alerts \u9875\u9762\u770b\u89c4\u5219\u662f\u5426\u5904\u4e8e PENDING \u6216 FIRING \u72b6\u6001\u3002\u89c4\u5219\u4e00\u76f4 PENDING \u4e0d\u53d8\uff0c\u901a\u5e38\u662f for \u6301\u7eed\u65f6\u95f4\u8bbe\u5f97\u592a\u957f\uff0c\u6bd4\u5982\u6545\u969c\u53ea\u6301\u7eed\u4e86 3 \u5206\u949f\u4f46\u89c4\u5219\u8981\u6c42\u6301\u7eed 5 \u5206\u949f\u624d\u89e6\u53d1\u3002\u628a for \u53c2\u6570\u8c03\u77ed\u5230\u4e0e\u4e1a\u52a1\u5bb9\u5fcd\u5ea6\u5339\u914d\uff0c\u6216\u8005\u4e34\u65f6\u628a\u8868\u8fbe\u5f0f\u6539\u6210\u5fc5\u7136\u89e6\u53d1\u7684\u6761\u4ef6\uff08\u5982 <code>vector(1)<\/code>\uff09\u505a\u4e00\u6b21\u7aef\u5230\u7aef\u6f14\u7ec3\uff0c\u786e\u8ba4\u544a\u8b66\u80fd\u8d70\u5b8c\u6574\u4e2a\u94fe\u8def\u5230\u8fbe\u901a\u77e5\u6e20\u9053\uff0c\u518d\u6539\u56de\u771f\u5b9e\u89c4\u5219\u3002\u90ae\u4ef6\u901a\u77e5\u53d1\u4e0d\u51fa\u6765\u65f6\uff0c\u4f18\u5148\u68c0\u67e5 Alertmanager \u65e5\u5fd7\u91cc\u7684 SMTP \u8ba4\u8bc1\u9519\u8bef\uff0c\u8fd9\u662f\u6700\u9ad8\u9891\u7684\u914d\u7f6e\u95ee\u9898\u3002<\/p>\n<p>\u6574\u5957\u94fe\u8def\u9a8c\u8bc1\u901a\u8fc7\u540e\uff0c\u5efa\u8bae\u4fdd\u7559\u4e00\u6761\u4f4e\u5371\u7684\u6d4b\u8bd5\u544a\u8b66\u89c4\u5219\uff08\u6bd4\u5982\u67d0\u53f0\u6d4b\u8bd5\u673a\u7684\u5047\u6307\u6807\uff09\uff0c\u6bcf\u5468\u81ea\u52a8\u89e6\u53d1\u4e00\u6b21\uff0c\u6301\u7eed\u9a8c\u8bc1\u901a\u77e5\u6e20\u9053\u6ca1\u6709\u6084\u6084\u5931\u6548\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/prometheus-node-exporter-timeout-comparison.webp\" alt=\"\u6293\u53d6\u54cd\u5e94\u5feb\u6162\u5bf9\u6bd4\uff1a\u6b63\u5e38\u8fd4\u56de\u4e0e\u8d85\u65f6\u5931\u8d25\" loading=\"lazy\" \/><\/p>\n<h2>\u5efa\u7acb\u56fa\u5b9a\u7684\u6392\u969c\u987a\u5e8f<\/h2>\n<p>\u6293\u53d6\u7c7b\u6545\u969c\u770b\u7740\u82b1\u6837\u591a\uff0c\u4f46\u6392\u67e5\u8def\u5f84\u5176\u5b9e\u662f\u56fa\u5b9a\u7684\uff1a\u5148\u770b Targets \u9875\u9762\u7684\u72b6\u6001\u548c\u9519\u8bef\u4fe1\u606f\u5b9a\u7c7b\uff0c\u518d\u6309&#8221;\u8fdb\u7a0b\u4e0e\u76d1\u542c \u2192 \u7f51\u7edc \u2192 \u8d85\u65f6\u4e0e\u8d44\u6e90 \u2192 \u6307\u6807\u4e0e\u67e5\u8be2 \u2192 \u544a\u8b66\u94fe\u8def&#8221;\u7684\u987a\u5e8f\u9010\u5c42\u6df1\u5165\u3002\u6211\u4eec\u5efa\u8bae\u628a\u8fd9\u4e2a\u987a\u5e8f\u5b58\u6210\u56e2\u961f\u5185\u90e8\u7684\u6392\u969c\u6e05\u5355\uff0c\u9047\u5230\u95ee\u9898\u7167\u5355\u6267\u884c\uff0c\u907f\u514d\u6bcf\u4e2a\u4eba\u5404\u67e5\u5404\u7684\u65b9\u5411\u3002\u5982\u679c\u4f60\u5728 Hostease \u7684 <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS<\/a>\uff08<a href=\"https:\/\/cn.hostease.com\/vps\/\">\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\u6216\u72ec\u7acb\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u76d1\u63a7\u65f6\u9047\u5230\u672c\u6587\u8986\u76d6\u4e0d\u4e86\u7684\u95ee\u9898\uff0c\u53ef\u4ee5\u63d0\u4ea4\u5de5\u5355\uff0c\u6211\u4eec\u7684\u6280\u672f\u652f\u6301\u56e2\u961f\u4f1a\u534f\u52a9\u68c0\u67e5\u7f51\u7edc\u4e0e\u9632\u706b\u5899\u5c42\u9762\uff1b\u76d1\u63a7\u914d\u7f6e\u5c42\u9762\u7684\u6df1\u5165\u8c03\u4f18\uff0c\u5219\u5efa\u8bae\u7ed3\u5408\u4e1a\u52a1\u6307\u6807\u91cf\u7ea7\u53c2\u8003 PromQL\uff08Prometheus \u67e5\u8be2\u8bed\u8a00\uff09\u5b98\u65b9\u6587\u6863\u9010\u6b65\u4f18\u5316\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/prometheus-node-exporter-server-cover.webp\" alt=\"Prometheus \u4e0e node_exporter \u670d\u52a1\u5668\u76d1\u63a7\u6392\u969c\u5c01\u9762\u914d\u56fe\" loading=\"lazy\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Prometheus \u6293\u4e0d\u5230 node_exporter \u6570\u636e\u65f6\u5982\u4f55\u89e3\u51b3\uff1f\u672c\u6587\u6309\u76ee\u6807\u4e0d\u53ef\u8fbe\u3001\u7aef\u53e3\u672a\u76d1\u542c\u3001\u6293\u53d6\u8d85\u65f6\u3001\u6570\u636e\u7f3a\u5931\u56db\u7c7b\u6545\u969c\u7ed9\u51fa\u5177\u4f53\u6392\u67e5\u547d\u4ee4\u4e0e\u914d\u7f6e\u4fee\u590d\u65b9\u6cd5\u3002<\/p>\n","protected":false},"author":2,"featured_media":33657,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4099],"tags":[4687,3818,5287,5288,3743],"class_list":["post-33658","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorials","tag-nodeexporter","tag-prometheus","tag-5287","tag-5288","tag-3743"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/prometheus-node-exporter-server-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33658","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=33658"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33658\/revisions"}],"predecessor-version":[{"id":33662,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33658\/revisions\/33662"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/33657"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=33658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=33658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=33658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}