{"id":43488,"date":"2023-09-09T23:38:24","date_gmt":"2023-08-09T21:13:54","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/spring-boot-actuator-%e7%9a%84-prometheus-%e7%ab%af%e7%82%b9%e8%be%93%e5%87%ba%e7%9a%84-cpu-%e8%b4%9f%e8%bd%bd%e7%9b%b8%e5%85%b3%e9%a1%b9%e7%9b%ae\/"},"modified":"2024-05-03T22:59:25","modified_gmt":"2024-05-03T14:59:25","slug":"spring-boot-actuator-%e7%9a%84-prometheus-%e7%ab%af%e7%82%b9%e8%be%93%e5%87%ba%e7%9a%84-cpu-%e8%b4%9f%e8%bd%bd%e7%9b%b8%e5%85%b3%e9%a1%b9%e7%9b%ae","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/spring-boot-actuator-%e7%9a%84-prometheus-%e7%ab%af%e7%82%b9%e8%be%93%e5%87%ba%e7%9a%84-cpu-%e8%b4%9f%e8%bd%bd%e7%9b%b8%e5%85%b3%e9%a1%b9%e7%9b%ae\/","title":{"rendered":"Spring Boot Actuator \u7684 Prometheus \u7aef\u70b9\u8f93\u51fa\u7684 CPU \u8d1f\u8f7d\u76f8\u5173\u9879\u76ee"},"content":{"rendered":"<h2>\u7b80\u4ecb<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Boot Actuator \u306e prometheus \u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u304c\u51fa\u529b\u3059\u308b CPU \u8ca0\u8377\u95a2\u9023\u9805\u76ee (CPU\u4f7f\u7528\u7387\u306a\u3069) \u306b\u3064\u3044\u3066\u307e\u3068\u3081\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">prometheus \u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u51fa\u529b\u3057\u3066\u3044\u308b\u5024\u304c\u4f55\u3092\u793a\u3057\u3066\u3044\u308b\u304b\u3001Micrometer \u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u8a72\u5f53\u7b87\u6240\u3092\u63a2\u3059<\/ul>\n<h2>\u5173\u4e8eSpring Boot Actuator<\/h2>\n<p>Spring Boot Actuator\u662f\u4e00\u4e2a\u80fd\u591f\u901a\u8fc7HTTP\u7b49\u65b9\u5f0f\u83b7\u53d6Spring Boot\u5e94\u7528\u7a0b\u5e8f\u7684\u5ea6\u91cf\u4fe1\u606f\u7b49\u529f\u80fd\u3002<\/p>\n<p>Spring Boot Actuator\uff1a\u751f\u4ea7\u73af\u5883\u652f\u6301\u529f\u80fd-\u6587\u6863<\/p>\n<blockquote><p>\u5728Spring Boot\u4e2d\uff0c\u5305\u542b\u4e86\u8bb8\u591a\u9644\u52a0\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u5c06\u5e94\u7528\u7a0b\u5e8f\u63a8\u9001\u5230\u751f\u4ea7\u73af\u5883\u65f6\u5e2e\u52a9\u76d1\u89c6\u548c\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u3002\u60a8\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528HTTP\u7aef\u70b9\u6216JMX\u6765\u7ba1\u7406\u548c\u76d1\u89c6\u5e94\u7528\u7a0b\u5e8f\u3002\u5ba1\u8ba1\u3001\u5065\u5eb7\u548c\u6307\u6807\u6536\u96c6\u4e5f\u53ef\u4ee5\u81ea\u52a8\u5e94\u7528\u4e8e\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002<\/p><\/blockquote>\n<p>Spring Boot Actuator: \u751f\u4ea7\u73af\u5883\u9002\u5e94\u529f\u80fd-\u6587\u4ef6<\/p>\n<blockquote><p>\u4f7f\u7528Actuator\u7684\u7ec8\u7aef\u70b9\u53ef\u4ee5\u76d1\u63a7\u548c\u64cd\u4f5c\u5e94\u7528\u7a0b\u5e8f\u3002Spring Boot\u5185\u7f6e\u4e86\u8bb8\u591a\u7ec8\u7aef\u70b9\uff0c\u5e76\u4e14\u53ef\u4ee5\u6dfb\u52a0\u81ea\u5b9a\u4e49\u7ec8\u7aef\u70b9\u3002\u4f8b\u5982\uff1ahealth\u7ec8\u7aef\u70b9\u63d0\u4f9b\u57fa\u672c\u7684\u5e94\u7528\u7a0b\u5e8f\u5065\u5eb7\u4fe1\u606f\u3002<\/p><\/blockquote>\n<h2>\u6709\u5173 Prometheus \u7ec8\u7aef\u8282\u70b9<\/h2>\n<p>\u901a\u8fc7\u8bbf\u95eeSpring Boot\u5e94\u7528\u7a0b\u5e8f\u7684URL\u8def\u5f84\/actuator\/prometheus\uff0c\u53ef\u4ee5\u83b7\u53d6\u7528\u4e8ePrometheus\u7684\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n<p>Spring Boot Actuator: \u751f\u4ea7\u73af\u5883\u529f\u80fd &#8211; \u6587\u6863<\/p>\n<blockquote><p>\u4f7f\u7528Prometheus\u670d\u52a1\u5668\u4ee5\u53ef\u88ab\u722c\u53d6\u7684\u683c\u5f0f\u516c\u5f00\u6307\u6807\u3002\u9700\u8981\u4f9d\u8d56micrometer-registry-prometheus\u3002<\/p><\/blockquote>\n<h2>\u666e\u7f57\u7c73\u4fee\u65af\u7aef\u70b9\u8f93\u51fa\u7684\u4e0eCPU\u76f8\u5173\u7684\u9879\u76ee\u3002<\/h2>\n<h3>\u7cfb\u7edf\u7684CPU\u6570\u91cf<\/h3>\n<p>\u8868\u8fbe\u5904\u7406\u5668\u6570\u91cf\u3002<\/p>\n<p>Java SE 11\u53caJDK 11 \u7684\u8fd0\u884c\u65f6\u95f4<\/p>\n<blockquote><p>public int availableProcessors()<\/p>\n<p>\u8fd4\u56deJava\u865a\u62df\u673a\u53ef\u4ee5\u4f7f\u7528\u7684\u5904\u7406\u5668\u6570\u91cf\u3002<\/p>\n<p>\u8fd9\u4e2a\u503c\u53ef\u80fd\u4f1a\u5728\u865a\u62df\u673a\u8c03\u7528\u671f\u95f4\u53d1\u751f\u53d8\u5316\u3002\u56e0\u6b64\uff0c\u4f9d\u8d56\u53ef\u7528\u5904\u7406\u5668\u6570\u91cf\u7684\u5e94\u7528\u7a0b\u5e8f\u5e94\u8be5\u5b9a\u671f\u8f6e\u8be2\u8be5\u5c5e\u6027\uff0c\u5e76\u8fdb\u884c\u8d44\u6e90\u4f7f\u7528\u8c03\u6574\u3002<\/p>\n<p>\u8fd4\u56de\u503c\uff1a<br \/>\n\u53ef\u7528\u4e8e\u865a\u62df\u673a\u7684\u6700\u5927\u5904\u7406\u5668\u6570\u91cf\u3002\u8be5\u503c\u6c38\u8fdc\u4e0d\u4f1a\u5c0f\u4e8e1\u3002<\/p><\/blockquote>\n<p>\/actuator\/prometheus \u7684\u793a\u4f8b\u8f93\u51fa\u3002<\/p>\n<pre class=\"post-pre\"><code># HELP system_cpu_count The number of processors available to the Java virtual machine\r\n# TYPE system_cpu_count gauge\r\nsystem_cpu_count 4.0\r\n<\/code><\/pre>\n<h3>\u7cfb\u7edfCPU\u4f7f\u7528\u7387<\/h3>\n<p>\u8868\u793a\u6574\u4e2a\u7cfb\u7edf\u7684CPU\u4f7f\u7528\u7387\uff08\u5305\u62ecJVM\u4e4b\u5916\u7684\u8fdb\u7a0b\uff09\u3002<\/p>\n<p>\u64cd\u4f5c\u7cfb\u7edfMXBean\uff08Java SE 11\u548cJDK 11\uff09<\/p>\n<blockquote><p>\u83b7\u53d6\u7cfb\u7edf\u6574\u4f53\u7684&#8221;\u6700\u65b0CPU\u4f7f\u7528\u7387&#8221;\u3002\u8fd9\u662f\u4e00\u4e2a\u5728[0.0,1.0]\u8303\u56f4\u5185\u7684\u53cc\u7cbe\u5ea6\u503c\u3002\u503c\u4e3a0.0\u8868\u793a\u5728\u6700\u8fd1\u7684\u76d1\u6d4b\u65f6\u6bb5\u5185\u6240\u6709CPU\u90fd\u5904\u4e8e\u7a7a\u95f2\u72b6\u6001\uff0c\u800c\u503c\u4e3a1.0\u8868\u793a\u5728\u6700\u8fd1\u7684\u76d1\u6d4b\u65f6\u6bb5\u5185\u6240\u6709CPU\u90fd\u4e00\u76f4\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\u3002\u6839\u636e\u7cfb\u7edf\u4e2d\u6b63\u5728\u8fdb\u884c\u7684\u6d3b\u52a8\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u4ece0.0\u52301.0\u7684\u4efb\u4f55\u503c\u3002\u5982\u679c\u65e0\u6cd5\u83b7\u53d6\u7cfb\u7edf\u7684\u6700\u65b0CPU\u4f7f\u7528\u7387\uff0c\u5219\u6b64\u65b9\u6cd5\u5c06\u8fd4\u56de\u8d1f\u503c\u3002<\/p>\n<p>\u8fd4\u56de\u503c:<br \/>\n\u7cfb\u7edf\u6574\u4f53\u7684&#8221;\u6700\u65b0CPU\u4f7f\u7528\u7387&#8221;\u3002\u5982\u679c\u65e0\u6cd5\u83b7\u53d6\uff0c\u5219\u8fd4\u56de\u8d1f\u503c\u3002<\/p><\/blockquote>\n<p>\/actuator\/prometheus \u7684\u8f93\u51fa\u793a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code># HELP system_cpu_usage The \"recent cpu usage\" for the whole system\r\n# TYPE system_cpu_usage gauge\r\nsystem_cpu_usage 0.8520833333333333\r\n<\/code><\/pre>\n<h3>\u5904\u7406\u5668\u4f7f\u7528\u7387<\/h3>\n<p>JVM \u7684 CPU \u4f7f\u7528\u7387\u3002<\/p>\n<p>\u64cd\u4f5c\u7cfb\u7edfMXBean\uff08Java SE 11\u548cJDK 11\uff09<\/p>\n<blockquote><p>\u83b7\u53d6\u8fdb\u7a0bcpu\u4f7f\u7528\u7387\u7684\u65b9\u6cd5<\/p>\n<p>\u6b64\u65b9\u6cd5\u8fd4\u56deJava\u865a\u62df\u673a\u8fdb\u7a0b\u7684\u201c\u6700\u8fd1\u7684CPU\u4f7f\u7528\u7387\u201d\u3002\u8fd9\u662f\u4e00\u4e2a\u4ecb\u4e8e[0.0,1.0]\u4e4b\u95f4\u7684\u53cc\u7cbe\u5ea6\u503c\u3002\u503c\u4e3a0.0\u8868\u793a\u5728\u6700\u8fd1\u7684\u76d1\u89c6\u671f\u95f4\uff0c\u6ca1\u6709\u4efb\u4f55CPU\u6267\u884cJVM\u8fdb\u7a0b\u7684\u7ebf\u7a0b\uff0c\u503c\u4e3a1.0\u8868\u793a\u5728\u6700\u8fd1\u7684\u76d1\u89c6\u671f\u95f4\uff0c\u6240\u6709\u7684CPU\u90fd\u4e00\u76f4\u6d3b\u52a8\u5e76\u6267\u884cJVM\u7684\u7ebf\u7a0b\u3002JVM\u7684\u7ebf\u7a0b\u5305\u62ecJVM\u7684\u5185\u90e8\u7ebf\u7a0b\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u7ebf\u7a0b\u3002\u6839\u636eJVM\u8fdb\u7a0b\u548c\u6574\u4e2a\u7cfb\u7edf\u4e2d\u7684\u6d3b\u52a8\u60c5\u51b5\uff0c\u53ef\u80fd\u51fa\u73b0\u4ece0.0\u52301.0\u7684\u4efb\u4f55\u503c\u3002\u5982\u679c\u65e0\u6cd5\u83b7\u53d6Java\u865a\u62df\u673a\u7684\u6700\u65b0CPU\u4f7f\u7528\u7387\uff0c\u5219\u6b64\u65b9\u6cd5\u5c06\u8fd4\u56de\u4e00\u4e2a\u8d1f\u503c\u3002<\/p>\n<p>\u8fd4\u56de\u503c:<br \/>\nJava\u865a\u62df\u673a\u8fdb\u7a0b\u7684\u201c\u6700\u65b0\u7684CPU\u4f7f\u7528\u7387\u201d\u3002\u5982\u679c\u65e0\u6cd5\u83b7\u53d6\uff0c\u5219\u8fd4\u56de\u8d1f\u503c\u3002<\/p><\/blockquote>\n<p>\/actuator\/prometheus\u7684\u8f93\u51fa\u793a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code># HELP process_cpu_usage The \"recent cpu usage\" for the Java Virtual Machine process\r\n# TYPE process_cpu_usage gauge\r\nprocess_cpu_usage 0.0191621405839776\r\n<\/code><\/pre>\n<h3>\u7cfb\u7edf\u8d1f\u8f7d\u5e73\u5747\u503c_1\u5206\u949f<\/h3>\n<p>\u7cfb\u7edf\u8d1f\u8377\u5e73\u5747\u7684\u6700\u540e1\u5206\u949f\u3002<\/p>\n<p>\u64cd\u4f5c\u7cfb\u7edfMXBean\uff08Java SE 11\u548cJDK 11\uff09\u3002<\/p>\n<blockquote><p>\u83b7\u53d6\u7cfb\u7edf\u7684\u8d1f\u8f7d\u5e73\u5747\u503c\u3002<\/p>\n<p>\u7cfb\u7edf\u8d1f\u8f7d\u5e73\u5747\u503c\u662f\u6307\u5728\u53ef\u7528\u5904\u7406\u5668\u961f\u5217\u4e2d\u6392\u961f\u7684\u53ef\u6267\u884c\u5b9e\u4f53\u6570\u91cf\u548c\u5728\u53ef\u7528\u5904\u7406\u5668\u4e0a\u6267\u884c\u7684\u53ef\u6267\u884c\u5b9e\u4f53\u6570\u91cf\u7684\u603b\u548c\uff0c\u7ecf\u8fc7\u4e00\u6bb5\u65f6\u95f4\u7684\u5e73\u5747\u503c\u3002\u8d1f\u8f7d\u5e73\u5747\u503c\u7684\u8ba1\u7b97\u65b9\u6cd5\u56e0\u64cd\u4f5c\u7cfb\u7edf\u800c\u5f02\uff0c\u901a\u5e38\u4f7f\u7528\u8870\u51cf\u65f6\u95f4\u4f9d\u8d56\u5e73\u5747\u503c\u3002<\/p>\n<p>\u5982\u679c\u65e0\u6cd5\u83b7\u53d6\u8d1f\u8f7d\u5e73\u5747\u503c\uff0c\u5219\u8fd4\u56de\u8d1f\u503c\u3002<\/p>\n<p>\u8be5\u65b9\u6cd5\u65e8\u5728\u63d0\u4f9b\u6709\u5173\u7cfb\u7edf\u8d1f\u8f7d\u7684\u63d0\u793a\uff0c\u5e76\u4e14\u53ef\u4ee5\u9891\u7e41\u67e5\u8be2\u3002\u5728\u5b9e\u73b0\u6b64\u65b9\u6cd5\u7684\u6210\u672c\u8f83\u9ad8\u7684\u5e73\u53f0\u4e0a\uff0c\u53ef\u80fd\u65e0\u6cd5\u4f7f\u7528\u8d1f\u8f7d\u5e73\u5747\u503c\u3002<\/p>\n<p>\u8fd4\u56de\u503c\uff1a<br \/>\n\u7cfb\u7edf\u8d1f\u8f7d\u5e73\u5747\u503c\u3002\u5982\u679c\u4e0d\u53ef\u7528\uff0c\u5219\u8fd4\u56de\u8d1f\u503c\u3002<\/p><\/blockquote>\n<p>\/actuator\/prometheus\u7684\u8f93\u51fa\u793a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code># HELP system_load_average_1m The sum of the number of runnable entities queued to available processors and the number of runnable entities running on the available processors averaged over a period of time\r\n# TYPE system_load_average_1m gauge\r\nsystem_load_average_1m 11.9169921875\r\n<\/code><\/pre>\n<h2>\u8ffd\u8e2a Micrometer \u7684\u6e90\u4ee3\u7801<\/h2>\n<p>\u5bfb\u627eMicrometer\u6e90\u4ee3\u7801\u4e2d\u4e0ePrometheus\u7aef\u70b9\u8f93\u51fa\u7684\u503c\u6240\u4ee3\u8868\u7684\u542b\u4e49\u76f8\u5173\u7684\u90e8\u5206\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">system.cpu.count \u2192 Runtime::availableProcessors<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">system.load.average.1m \u2192 OperatingSystemMXBean::getSystemLoadAverage<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">system.cpu.usage \u2192 OperatingSystemMXBean::getSystemCpuLoad<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">process.cpu.usage \u2192 OperatingSystemMXBean::processCpuUsage<\/ul>\n<p>\u5728io.micrometer.core.instrument.binder.system.ProcessorMetrics\u7c7b\u4e2d\u5df2\u8bbe\u7f6e\u4e86\u83b7\u53d6\u503c\u7684\u914d\u7f6e\u3002<\/p>\n<p>\u5fae\u7c73\/ProcessorMetrics.java\u5728v1.3.7\u7248\u672c\u4e0a \u00b7 micrometer-metrics\/micrometer \u00b7 GitHub\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cm\">\/** List of public, exported interface class names from supported JVM implementations. *\/<\/span>\r\n<span class=\"kd\">private<\/span> <span class=\"kd\">static<\/span> <span class=\"kd\">final<\/span> <span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"no\">OPERATING_SYSTEM_BEAN_CLASS_NAMES<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Arrays<\/span><span class=\"o\">.<\/span><span class=\"na\">asList<\/span><span class=\"o\">(<\/span>\r\n    <span class=\"s\">\"com.sun.management.OperatingSystemMXBean\"<\/span><span class=\"o\">,<\/span> <span class=\"c1\">\/\/ HotSpot<\/span>\r\n    <span class=\"s\">\"com.ibm.lang.management.OperatingSystemMXBean\"<\/span> <span class=\"c1\">\/\/ J9<\/span>\r\n<span class=\"o\">);<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"nf\">ProcessorMetrics<\/span><span class=\"o\">(<\/span><span class=\"nc\">Iterable<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Tag<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">tags<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">tags<\/span> <span class=\"o\">=<\/span> <span class=\"n\">tags<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">operatingSystemBean<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">ManagementFactory<\/span><span class=\"o\">.<\/span><span class=\"na\">getOperatingSystemMXBean<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">operatingSystemBeanClass<\/span> <span class=\"o\">=<\/span> <span class=\"n\">getFirstClassFound<\/span><span class=\"o\">(<\/span><span class=\"no\">OPERATING_SYSTEM_BEAN_CLASS_NAMES<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">systemCpuUsage<\/span> <span class=\"o\">=<\/span> <span class=\"n\">detectMethod<\/span><span class=\"o\">(<\/span><span class=\"s\">\"getSystemCpuLoad\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">processCpuUsage<\/span> <span class=\"o\">=<\/span> <span class=\"n\">detectMethod<\/span><span class=\"o\">(<\/span><span class=\"s\">\"getProcessCpuLoad\"<\/span><span class=\"o\">);<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"nd\">@Override<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">bindTo<\/span><span class=\"o\">(<\/span><span class=\"nc\">MeterRegistry<\/span> <span class=\"n\">registry<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">Runtime<\/span> <span class=\"n\">runtime<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Runtime<\/span><span class=\"o\">.<\/span><span class=\"na\">getRuntime<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"nc\">Gauge<\/span><span class=\"o\">.<\/span><span class=\"na\">builder<\/span><span class=\"o\">(<\/span><span class=\"s\">\"system.cpu.count\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">runtime<\/span><span class=\"o\">,<\/span> <span class=\"nl\">Runtime:<\/span><span class=\"o\">:<\/span><span class=\"n\">availableProcessors<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">tags<\/span><span class=\"o\">(<\/span><span class=\"n\">tags<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">description<\/span><span class=\"o\">(<\/span><span class=\"s\">\"The number of processors available to the Java virtual machine\"<\/span><span class=\"o\">)<\/span>\r\n        <span class=\"o\">.<\/span><span class=\"na\">register<\/span><span class=\"o\">(<\/span><span class=\"n\">registry<\/span><span class=\"o\">);<\/span>\r\n\r\n    <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">operatingSystemBean<\/span><span class=\"o\">.<\/span><span class=\"na\">getSystemLoadAverage<\/span><span class=\"o\">()<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"mi\">0<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">Gauge<\/span><span class=\"o\">.<\/span><span class=\"na\">builder<\/span><span class=\"o\">(<\/span><span class=\"s\">\"system.load.average.1m\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">operatingSystemBean<\/span><span class=\"o\">,<\/span> <span class=\"nl\">OperatingSystemMXBean:<\/span><span class=\"o\">:<\/span><span class=\"n\">getSystemLoadAverage<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">tags<\/span><span class=\"o\">(<\/span><span class=\"n\">tags<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">description<\/span><span class=\"o\">(<\/span><span class=\"s\">\"The sum of the number of runnable entities queued to available processors and the number \"<\/span> <span class=\"o\">+<\/span>\r\n                <span class=\"s\">\"of runnable entities running on the available processors averaged over a period of time\"<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">register<\/span><span class=\"o\">(<\/span><span class=\"n\">registry<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">systemCpuUsage<\/span> <span class=\"o\">!=<\/span> <span class=\"kc\">null<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">Gauge<\/span><span class=\"o\">.<\/span><span class=\"na\">builder<\/span><span class=\"o\">(<\/span><span class=\"s\">\"system.cpu.usage\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">operatingSystemBean<\/span><span class=\"o\">,<\/span> <span class=\"n\">x<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">invoke<\/span><span class=\"o\">(<\/span><span class=\"n\">systemCpuUsage<\/span><span class=\"o\">))<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">tags<\/span><span class=\"o\">(<\/span><span class=\"n\">tags<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">description<\/span><span class=\"o\">(<\/span><span class=\"s\">\"The \\\"recent cpu usage\\\" for the whole system\"<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">register<\/span><span class=\"o\">(<\/span><span class=\"n\">registry<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">processCpuUsage<\/span> <span class=\"o\">!=<\/span> <span class=\"kc\">null<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">Gauge<\/span><span class=\"o\">.<\/span><span class=\"na\">builder<\/span><span class=\"o\">(<\/span><span class=\"s\">\"process.cpu.usage\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">operatingSystemBean<\/span><span class=\"o\">,<\/span> <span class=\"n\">x<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">invoke<\/span><span class=\"o\">(<\/span><span class=\"n\">processCpuUsage<\/span><span class=\"o\">))<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">tags<\/span><span class=\"o\">(<\/span><span class=\"n\">tags<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">description<\/span><span class=\"o\">(<\/span><span class=\"s\">\"The \\\"recent cpu usage\\\" for the Java Virtual Machine process\"<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">register<\/span><span class=\"o\">(<\/span><span class=\"n\">registry<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528Spring Boot Actuator\u7684\u793a\u4f8b\u4ee3\u7801<\/h2>\n<p>\u73af\u5883\uff1aJava 11 + Spring Boot 2.2.6 + Micrometer Prometheus 1.3.7\u6ce8\u518c\u8868 + Gradle 6<\/p>\n<h3>\u6587\u4ef6\u76ee\u5f55<\/h3>\n<pre class=\"post-pre\"><code>\u251c\u2500\u2500 build.gradle\r\n\u251c\u2500\u2500 settings.gradle\r\n\u2514\u2500\u2500 src\r\n    \u2514\u2500\u2500 main\r\n        \u251c\u2500\u2500 java\r\n        \u2502\u00a0\u00a0 \u2514\u2500\u2500 com\r\n        \u2502\u00a0\u00a0     \u2514\u2500\u2500 example\r\n        \u2502\u00a0\u00a0         \u2514\u2500\u2500 MyApp.java\r\n        \u2514\u2500\u2500 resources\r\n            \u2514\u2500\u2500 application.properties\r\n<\/code><\/pre>\n<h3>\u6784\u5efa.gradle<\/h3>\n<p>\u4e3a\u4e86\u4f7f\u7528Spring Boot Actuator\uff0c\u9700\u8981\u6307\u5b9aSpring Boot Actuator Starter\u3002<br \/>\n\u4e3a\u4e86\u8f93\u51faPrometheus\uff0c\u9700\u8981\u6307\u5b9aMicrometer Registry Prometheus\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">plugins<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"n\">id<\/span> <span class=\"s1\">'java'<\/span>\r\n  <span class=\"c1\">\/\/ Spring Boot Plugin<\/span>\r\n  <span class=\"n\">id<\/span> <span class=\"s1\">'org.springframework.boot'<\/span> <span class=\"n\">version<\/span> <span class=\"s1\">'2.2.6.RELEASE'<\/span>\r\n  <span class=\"c1\">\/\/ Spring Dependency Management Plugin<\/span>\r\n  <span class=\"n\">id<\/span> <span class=\"s1\">'io.spring.dependency-management'<\/span> <span class=\"n\">version<\/span> <span class=\"s1\">'1.0.9.RELEASE'<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"n\">group<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'com.example'<\/span>\r\n<span class=\"n\">version<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'0.0.1'<\/span>\r\n<span class=\"n\">sourceCompatibility<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'11'<\/span>\r\n\r\n<span class=\"n\">repositories<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"n\">mavenCentral<\/span><span class=\"o\">()<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"n\">dependencies<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"c1\">\/\/ Spring Boot Web Starter<\/span>\r\n  <span class=\"n\">implementation<\/span> <span class=\"s1\">'org.springframework.boot:spring-boot-starter-web'<\/span>\r\n  <span class=\"c1\">\/\/ Spring Boot Actuator Starter<\/span>\r\n  <span class=\"n\">implementation<\/span> <span class=\"s1\">'org.springframework.boot:spring-boot-starter-actuator'<\/span>\r\n  <span class=\"c1\">\/\/ Micrometer Registry Prometheus<\/span>\r\n  <span class=\"n\">implementation<\/span> <span class=\"s1\">'io.micrometer:micrometer-registry-prometheus:1.3.7'<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>settings.gradle \u6587\u4ef6<\/h3>\n<pre class=\"post-pre\"><code><span class=\"n\">rootProject<\/span><span class=\"o\">.<\/span><span class=\"na\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'myapp'<\/span>\r\n<\/code><\/pre>\n<h3>src\/main\/java\/com\/example\/MyApp.java \u7684\u8def\u5f84<\/h3>\n<pre class=\"post-pre\"><code><span class=\"kn\">package<\/span> <span class=\"nn\">com.example<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.boot.SpringApplication<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.boot.autoconfigure.SpringBootApplication<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.web.bind.annotation.GetMapping<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.web.bind.annotation.RestController<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Map<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u30b7\u30f3\u30d7\u30eb\u306a\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/span>\r\n<span class=\"nd\">@SpringBootApplication<\/span>\r\n<span class=\"nd\">@RestController<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">MyApp<\/span> <span class=\"o\">{<\/span>\r\n\r\n  <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">SpringApplication<\/span><span class=\"o\">.<\/span><span class=\"na\">run<\/span><span class=\"o\">(<\/span><span class=\"nc\">MyApp<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">,<\/span> <span class=\"n\">args<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n\r\n  <span class=\"nd\">@GetMapping<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\/\"<\/span><span class=\"o\">)<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"nc\">Map<\/span> <span class=\"nf\">index<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nc\">Map<\/span><span class=\"o\">.<\/span><span class=\"na\">of<\/span><span class=\"o\">(<\/span><span class=\"s\">\"message\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"Hello, world.\"<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u4e3b\u8981\u8d44\u6e90\/\u5e94\u7528\u7a0b\u5e8f\u5c5e\u6027\uff1asrc\/main\/resources\/application.properties<\/h3>\n<pre class=\"post-pre\"><code><span class=\"c\"># Spring Boot Actuator \u306e\u3059\u3079\u3066\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u3044\u3063\u305f\u3093\u7121\u52b9\u306b\u3059\u308b\u8a2d\u5b9a\r\n<\/span><span class=\"py\">management.endpoints.enabled-by-default<\/span><span class=\"p\">=<\/span><span class=\"s\">false<\/span>\r\n\r\n<span class=\"c\"># Prometheus \u7528\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u6709\u52b9\u306b\u3059\u308b\u8a2d\u5b9a\r\n<\/span><span class=\"py\">management.endpoint.prometheus.enabled<\/span><span class=\"p\">=<\/span><span class=\"s\">true<\/span>\r\n<span class=\"py\">management.endpoints.web.exposure.include<\/span><span class=\"p\">=<\/span><span class=\"s\">prometheus<\/span>\r\n<\/code><\/pre>\n<h2>\u793a\u4f8b\u6267\u884c\u6848\u4f8b<\/h2>\n<p>\u5728macOS Catalina\u64cd\u4f5c\u7cfb\u7edf\u4e0a\uff0c\u4f7f\u7528Java 11 (AdoptOpenJDK\u7248\u672c11.0.7+10)\u548cGradle 6.3\u542f\u52a8\u4e86Spring Boot\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code>$ gradle bootRun\r\n\r\n&gt; Task :bootRun\r\n\r\n  .   ____          _            __ _ _\r\n \/\\\\ \/ ___'_ __ _ _(_)_ __  __ _ \\ \\ \\ \\\r\n( ( )\\___ | '_ | '_| | '_ \\\/ _` | \\ \\ \\ \\\r\n \\\\\/  ___)| |_)| | | | | || (_| |  ) ) ) )\r\n  '  |____| .__|_| |_|_| |_\\__, | \/ \/ \/ \/\r\n =========|_|==============|___\/=\/_\/_\/_\/\r\n :: Spring Boot ::        (v2.2.6.RELEASE)\r\n<\/code><\/pre>\n<p>\u7528\u53e6\u4e00\u4e2a\u63a7\u5236\u53f0\u901a\u8fc7\u4ee5\u4e0bshell\u811a\u672c\u5728\u6c38\u4e45\u5faa\u73af\u4e2d\u8fdb\u884c\u8bbf\u95ee\u6765\u589e\u52a0\u8d1f\u8f7d\u3002<\/p>\n<pre class=\"post-pre\"><code>#!\/bin\/sh\r\nwhile true\r\ndo\r\n  curl http:\/\/localhost:8080\/\r\ndone\r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u53e6\u4e00\u4e2a\u63a7\u5236\u53f0\u901a\u8fc7curl\u8bbf\u95eeSpring Boot Actuator\u7684HTTP\u7aef\u70b9\u5e76\u83b7\u53d6\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code>$ curl http:\/\/localhost:8080\/actuator\r\n{\"_links\":{\"self\":{\"href\":\"http:\/\/localhost:8080\/actuator\",\"templated\":false},\"prometheus\":{\"href\":\"http:\/\/localhost:8080\/actuator\/prometheus\",\"templated\":false}}}\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>$ curl http:\/\/localhost:8080\/actuator\/prometheus\r\n# HELP process_cpu_usage The \"recent cpu usage\" for the Java Virtual Machine process\r\n# TYPE process_cpu_usage gauge\r\nprocess_cpu_usage 0.0191621405839776\r\n# HELP tomcat_sessions_created_sessions_total  \r\n# TYPE tomcat_sessions_created_sessions_total counter\r\ntomcat_sessions_created_sessions_total 0.0\r\n# HELP system_cpu_usage The \"recent cpu usage\" for the whole system\r\n# TYPE system_cpu_usage gauge\r\nsystem_cpu_usage 0.8520833333333333\r\n# HELP system_cpu_count The number of processors available to the Java virtual machine\r\n# TYPE system_cpu_count gauge\r\nsystem_cpu_count 4.0\r\n# HELP process_start_time_seconds Start time of the process since unix epoch.\r\n# TYPE process_start_time_seconds gauge\r\nprocess_start_time_seconds 1.587801165514E9\r\n# HELP http_server_requests_seconds  \r\n# TYPE http_server_requests_seconds summary\r\nhttp_server_requests_seconds_count{exception=\"None\",method=\"GET\",outcome=\"SUCCESS\",status=\"200\",uri=\"\/actuator\/prometheus\",} 6.0\r\nhttp_server_requests_seconds_sum{exception=\"None\",method=\"GET\",outcome=\"SUCCESS\",status=\"200\",uri=\"\/actuator\/prometheus\",} 0.124753781\r\nhttp_server_requests_seconds_count{exception=\"None\",method=\"GET\",outcome=\"SUCCESS\",status=\"200\",uri=\"\/\",} 7040.0\r\nhttp_server_requests_seconds_sum{exception=\"None\",method=\"GET\",outcome=\"SUCCESS\",status=\"200\",uri=\"\/\",} 4.218126\r\nhttp_server_requests_seconds_count{exception=\"None\",method=\"GET\",outcome=\"SUCCESS\",status=\"200\",uri=\"\/actuator\",} 1.0\r\nhttp_server_requests_seconds_sum{exception=\"None\",method=\"GET\",outcome=\"SUCCESS\",status=\"200\",uri=\"\/actuator\",} 0.072301131\r\n# HELP http_server_requests_seconds_max  \r\n# TYPE http_server_requests_seconds_max gauge\r\nhttp_server_requests_seconds_max{exception=\"None\",method=\"GET\",outcome=\"SUCCESS\",status=\"200\",uri=\"\/actuator\/prometheus\",} 0.011892492\r\nhttp_server_requests_seconds_max{exception=\"None\",method=\"GET\",outcome=\"SUCCESS\",status=\"200\",uri=\"\/\",} 0.043555897\r\nhttp_server_requests_seconds_max{exception=\"None\",method=\"GET\",outcome=\"SUCCESS\",status=\"200\",uri=\"\/actuator\",} 0.072301131\r\n# HELP tomcat_sessions_alive_max_seconds  \r\n# TYPE tomcat_sessions_alive_max_seconds gauge\r\ntomcat_sessions_alive_max_seconds 0.0\r\n# HELP jvm_buffer_count_buffers An estimate of the number of buffers in the pool\r\n# TYPE jvm_buffer_count_buffers gauge\r\njvm_buffer_count_buffers{id=\"mapped\",} 0.0\r\njvm_buffer_count_buffers{id=\"direct\",} 10.0\r\n# HELP jvm_threads_live_threads The current number of live threads including both daemon and non-daemon threads\r\n# TYPE jvm_threads_live_threads gauge\r\njvm_threads_live_threads 21.0\r\n# HELP jvm_memory_committed_bytes The amount of memory in bytes that is committed for the Java virtual machine to use\r\n# TYPE jvm_memory_committed_bytes gauge\r\njvm_memory_committed_bytes{area=\"heap\",id=\"G1 Survivor Space\",} 4194304.0\r\njvm_memory_committed_bytes{area=\"heap\",id=\"G1 Old Gen\",} 5.9768832E7\r\njvm_memory_committed_bytes{area=\"nonheap\",id=\"Metaspace\",} 4.0660992E7\r\njvm_memory_committed_bytes{area=\"nonheap\",id=\"CodeHeap 'non-nmethods'\",} 2555904.0\r\njvm_memory_committed_bytes{area=\"heap\",id=\"G1 Eden Space\",} 9.7517568E7\r\njvm_memory_committed_bytes{area=\"nonheap\",id=\"Compressed Class Space\",} 5451776.0\r\njvm_memory_committed_bytes{area=\"nonheap\",id=\"CodeHeap 'non-profiled nmethods'\",} 9502720.0\r\n# HELP process_files_open_files The open file descriptor count\r\n# TYPE process_files_open_files gauge\r\nprocess_files_open_files 65.0\r\n# HELP tomcat_sessions_active_current_sessions  \r\n# TYPE tomcat_sessions_active_current_sessions gauge\r\ntomcat_sessions_active_current_sessions 0.0\r\n# HELP jvm_gc_max_data_size_bytes Max size of old generation memory pool\r\n# TYPE jvm_gc_max_data_size_bytes gauge\r\njvm_gc_max_data_size_bytes 2.147483648E9\r\n# HELP system_load_average_1m The sum of the number of runnable entities queued to available processors and the number of runnable entities running on the available processors averaged over a period of time\r\n# TYPE system_load_average_1m gauge\r\nsystem_load_average_1m 11.9169921875\r\n# HELP jvm_gc_memory_allocated_bytes_total Incremented for an increase in the size of the young generation memory pool after one GC to before the next\r\n# TYPE jvm_gc_memory_allocated_bytes_total counter\r\njvm_gc_memory_allocated_bytes_total 3.05135616E8\r\n# HELP jvm_buffer_memory_used_bytes An estimate of the memory that the Java virtual machine is using for this buffer pool\r\n# TYPE jvm_buffer_memory_used_bytes gauge\r\njvm_buffer_memory_used_bytes{id=\"mapped\",} 0.0\r\njvm_buffer_memory_used_bytes{id=\"direct\",} 81920.0\r\n# HELP process_uptime_seconds The uptime of the Java virtual machine\r\n# TYPE process_uptime_seconds gauge\r\nprocess_uptime_seconds 250.055\r\n# HELP jvm_gc_live_data_size_bytes Size of old generation memory pool after a full GC\r\n# TYPE jvm_gc_live_data_size_bytes gauge\r\njvm_gc_live_data_size_bytes 1.0024192E7\r\n# HELP jvm_gc_pause_seconds Time spent in GC pause\r\n# TYPE jvm_gc_pause_seconds summary\r\njvm_gc_pause_seconds_count{action=\"end of minor GC\",cause=\"Metadata GC Threshold\",} 1.0\r\njvm_gc_pause_seconds_sum{action=\"end of minor GC\",cause=\"Metadata GC Threshold\",} 0.021\r\njvm_gc_pause_seconds_count{action=\"end of minor GC\",cause=\"G1 Evacuation Pause\",} 3.0\r\njvm_gc_pause_seconds_sum{action=\"end of minor GC\",cause=\"G1 Evacuation Pause\",} 0.049\r\n# HELP jvm_gc_pause_seconds_max Time spent in GC pause\r\n# TYPE jvm_gc_pause_seconds_max gauge\r\njvm_gc_pause_seconds_max{action=\"end of minor GC\",cause=\"Metadata GC Threshold\",} 0.0\r\njvm_gc_pause_seconds_max{action=\"end of minor GC\",cause=\"G1 Evacuation Pause\",} 0.022\r\n# HELP jvm_classes_unloaded_classes_total The total number of classes unloaded since the Java virtual machine has started execution\r\n# TYPE jvm_classes_unloaded_classes_total counter\r\njvm_classes_unloaded_classes_total 0.0\r\n# HELP tomcat_sessions_expired_sessions_total  \r\n# TYPE tomcat_sessions_expired_sessions_total counter\r\ntomcat_sessions_expired_sessions_total 0.0\r\n# HELP jvm_threads_states_threads The current number of threads having NEW state\r\n# TYPE jvm_threads_states_threads gauge\r\njvm_threads_states_threads{state=\"runnable\",} 7.0\r\njvm_threads_states_threads{state=\"blocked\",} 0.0\r\njvm_threads_states_threads{state=\"waiting\",} 11.0\r\njvm_threads_states_threads{state=\"timed-waiting\",} 3.0\r\njvm_threads_states_threads{state=\"new\",} 0.0\r\njvm_threads_states_threads{state=\"terminated\",} 0.0\r\n# HELP process_files_max_files The maximum file descriptor count\r\n# TYPE process_files_max_files gauge\r\nprocess_files_max_files 10240.0\r\n# HELP tomcat_sessions_rejected_sessions_total  \r\n# TYPE tomcat_sessions_rejected_sessions_total counter\r\ntomcat_sessions_rejected_sessions_total 0.0\r\n# HELP jvm_memory_used_bytes The amount of used memory\r\n# TYPE jvm_memory_used_bytes gauge\r\njvm_memory_used_bytes{area=\"heap\",id=\"G1 Survivor Space\",} 4194304.0\r\njvm_memory_used_bytes{area=\"heap\",id=\"G1 Old Gen\",} 1.0024192E7\r\njvm_memory_used_bytes{area=\"nonheap\",id=\"Metaspace\",} 3.907744E7\r\njvm_memory_used_bytes{area=\"nonheap\",id=\"CodeHeap 'non-nmethods'\",} 1185920.0\r\njvm_memory_used_bytes{area=\"heap\",id=\"G1 Eden Space\",} 1.8874368E7\r\njvm_memory_used_bytes{area=\"nonheap\",id=\"Compressed Class Space\",} 4839600.0\r\njvm_memory_used_bytes{area=\"nonheap\",id=\"CodeHeap 'non-profiled nmethods'\",} 9437696.0\r\n# HELP jvm_classes_loaded_classes The number of classes that are currently loaded in the Java virtual machine\r\n# TYPE jvm_classes_loaded_classes gauge\r\njvm_classes_loaded_classes 6995.0\r\n# HELP tomcat_sessions_active_max_sessions  \r\n# TYPE tomcat_sessions_active_max_sessions gauge\r\ntomcat_sessions_active_max_sessions 0.0\r\n# HELP jvm_gc_memory_promoted_bytes_total Count of positive increases in the size of the old generation memory pool before GC to after GC\r\n# TYPE jvm_gc_memory_promoted_bytes_total counter\r\njvm_gc_memory_promoted_bytes_total 7294864.0\r\n# HELP jvm_memory_max_bytes The maximum amount of memory in bytes that can be used for memory management\r\n# TYPE jvm_memory_max_bytes gauge\r\njvm_memory_max_bytes{area=\"heap\",id=\"G1 Survivor Space\",} -1.0\r\njvm_memory_max_bytes{area=\"heap\",id=\"G1 Old Gen\",} 2.147483648E9\r\njvm_memory_max_bytes{area=\"nonheap\",id=\"Metaspace\",} -1.0\r\njvm_memory_max_bytes{area=\"nonheap\",id=\"CodeHeap 'non-nmethods'\",} 6975488.0\r\njvm_memory_max_bytes{area=\"heap\",id=\"G1 Eden Space\",} -1.0\r\njvm_memory_max_bytes{area=\"nonheap\",id=\"Compressed Class Space\",} 1.073741824E9\r\njvm_memory_max_bytes{area=\"nonheap\",id=\"CodeHeap 'non-profiled nmethods'\",} 2.44682752E8\r\n# HELP logback_events_total Number of error level events that made it to the logs\r\n# TYPE logback_events_total counter\r\nlogback_events_total{level=\"warn\",} 0.0\r\nlogback_events_total{level=\"debug\",} 0.0\r\nlogback_events_total{level=\"error\",} 0.0\r\nlogback_events_total{level=\"trace\",} 0.0\r\nlogback_events_total{level=\"info\",} 7.0\r\n# HELP jvm_threads_peak_threads The peak live thread count since the Java virtual machine started or peak was reset\r\n# TYPE jvm_threads_peak_threads gauge\r\njvm_threads_peak_threads 21.0\r\n# HELP jvm_threads_daemon_threads The current number of live daemon threads\r\n# TYPE jvm_threads_daemon_threads gauge\r\njvm_threads_daemon_threads 17.0\r\n# HELP jvm_buffer_total_capacity_bytes An estimate of the total capacity of the buffers in this pool\r\n# TYPE jvm_buffer_total_capacity_bytes gauge\r\njvm_buffer_total_capacity_bytes{id=\"mapped\",} 0.0\r\njvm_buffer_total_capacity_bytes{id=\"direct\",} 81920.0\r\n<\/code><\/pre>\n<h2>\u53c2\u8003\u8d44\u6599<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Boot Actuator: Production-ready Features<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Boot Actuator: \u672c\u756a\u5bfe\u5fdc\u6a5f\u80fd &#8211; \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Micrometer Application Monitoring<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb Spring Boot Actuator \u306e prometheus \u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u304c\u51fa\u529b\u3059\u308b CPU \u8ca0 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43488","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Spring Boot Actuator \u7684 Prometheus \u7aef\u70b9\u8f93\u51fa\u7684 CPU \u8d1f\u8f7d\u76f8\u5173\u9879\u76ee - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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