tomcat监控之简易版
文章目录
- tomcat监控之简易版
-
- 一、写作背景
- 二、测试环境介绍
-
- 2.1、软件包清单
- 2.2、快速上传软件
- 2.3、虚拟机设置小技巧
- 三、操作系统初始化
-
- 3.1、关闭防火墙
- 3.2、关闭SELinux
- 四、JDK安装
-
- 4.1、清理openjdk
- 4.2、安装Oracle jdk
- 五、tomcat安装
- 六、prometheus安装
- 七、grafana安装
- 八、jmx_exporter集成到tomcat
-
- jmx-exporter.yml
- 集成步骤
- 九、prometheus自动发现监控节点
- 十、grafana配置和添加tomcat监控
-
- 下载Jmx Dashboard(tomcat)
- 改良版grafana dashboard的json
- 配置grafana
- 导入json
tomcat监控之简易版
一、写作背景
最近一段时间，笔者维护的BI平台时不时出现卡顿问题，于是到服务器上使用命令逐一排查，发现没有明显负载和资源耗尽问题，无奈监控平台没有对BI平台做覆盖，所以便有了本文。
本文属于保姆级的实践，所以会不断完善，确保从头到尾无报错。
二、测试环境介绍
2.1、软件包清单
为了能够快速集成，使用VirtualBox模拟了和BI平台相同的环境
CentOS-7-x86_64-DVD-2009.iso
apache-tomcat-9.0.46.tar.gz
jdk-8u212-linux-x64.tar.gz
jmx_prometheus_javaagent-0.16.1.jar
prometheus-2.29.1.linux-amd64.tar.gz
grafana-8.2.3.linux-amd64.tar.gz
jmx-exporter.yml
2.2、快速上传软件
笔者在windows电脑的D盘创建了一个soft文件夹，把软件都放进去，然后使用python启动一个http服务
在windows电脑=>运行输入cmd=>输入D://=>输入cd soft=>输入python -m http.server 18888
进入虚拟机桌面=>打开会话终端=>su - root=>
wget http://192.168.56.1:18888/apache-tomcat-9.0.46.tar.gz
wget http://192.168.56.1:18888/jdk-8u212-linux-x64.tar.gz
wget http://192.168.56.1:18888/jmx_prometheus_javaagent-0.16.1.jar
wget http://192.168.56.1:18888/prometheus-2.29.1.linux-amd64.tar.gz
wget http://192.168.56.1:18888/grafana-8.2.3.linux-amd64.tar.gz
wget http://192.168.56.1:18888/jmx-exporter.yml
2.3、虚拟机设置小技巧
为了windows电脑和虚拟机网络可以通讯，虚拟机网络选择host only
三、操作系统初始化
3.1、关闭防火墙
systemctl stop firewalld
systemctl disable firewalld
3.2、关闭SELinux
setenforce 0
vim /etc/selinux/config
enforcing修改成disabled
保存退出
四、JDK安装
4.1、清理openjdk
rpm -qa|grep jdk
rpm -e SOFTNAME --nodeps
centos 7.9环境需要清理的包
rpm -e java-1.7.0-openjdk --nodeps
rpm -e java-1.7.0-openjdk-headless --nodeps
rpm -e java-1.8.0-openjdk --nodeps
rpm -e java-1.8.0-openjdk-headless --nodeps
rpm -e copy-jdk-configs --nodeps
4.2、安装Oracle jdk
cd /root
tar zxvf jdk-8u212-linux-x64.tar.gz
mv jdk1.8.0_212 /usr/local/java
vim /etc/profile.d/java.sh
export JAVA_HOME=/usr/local/java
export PATH=$PATH:$JAVA_HOME/bin
source /etc/profile
java -version
五、tomcat安装
cd /root
tar zxvf apache-tomcat-9.0.46.tar.gz
mv apache-tomcat-9.0.46 /usr/local/tomcat
cd /usr/local/tomcat/bin
./startup.sh
./shutdown.sh
六、prometheus安装
cd /root
tar zxvf prometheus-2.29.1.linux-amd64.tar.gz
mv prometheus-2.29.1.linux-amd64 /usr/local/prometheus
cd /usr/local/prometheus
./prometheus &
七、grafana安装
cd /root
tar zxvf grafana-8.2.3.linux-amd64.tar.gz
mv grafana-8.2.3.linux-amd64 /usr/local/grafana
cd /usr/local/grafana/bin
./grafana-server &
八、jmx_exporter集成到tomcat
jmx-exporter.yml
vim /root/jmx-exporter.yml
lowercaseOutputLabelNames: true
lowercaseOutputName: true
rules:
- pattern: 'Catalina\" (\w+-\w+)-(\d+)\"><>(\w+):'
name: tomcat_$3_total
labels:
port: "$2"
protocol: "$1"
help: Tomcat global $3
type: COUNTER
- pattern: 'Catalina<>(requestCount|maxTime|processingTime|errorCount):'
name: tomcat_servlet_$3_total
labels:
module: "$1"
servlet: "$2"
help: Tomcat servlet $3 total
type: COUNTER
- pattern: 'Catalina<>(currentThreadCount|currentThreadsBusy|keepAliveCount|pollerThreadCount|connectionCount):'
name: tomcat_threadpool_$3
labels:
port: "$2"
protocol: "$1"
help: Tomcat threadpool $3
type: GAUGE
- pattern: 'Catalina<>(processingTime|sessionCounter|rejectedSessions|expiredSessions):'
name: tomcat_session_$3_total
labels:
context: "$2"
host: "$1"
help: Tomcat session $3 total
type: COUNTER
- pattern: ".*"
集成步骤
cd /usr/local/tomcat/bin
cp /root/jmx_prometheus_javaagent-0.16.1.jar ./
cp /root/jmx-exporter.yml ./
vim catalina.sh
搜索JAVA_OPTS下方插入一条
JAVA_OPTS="-javaagent:/usr/local/tomcat/bin/jmx_prometheus_javaagent-0.16.1.jar=30018:/usr/local/tomcat/bin/jmx-exporter.yml"
./startup.sh
kill -9 $(ps -ef|grep tomcat|awk ‘{print $2}’)
九、prometheus自动发现监控节点
cd /usr/local/prometheus
vim prometheus.yml
尾部插入
- job_name: "jmx-exporter"
file_sd_configs:
- files: ['/usr/local/prometheus/tomcat.yml']
refresh_inertval: 15s
vim tomcat.yml
- targets:
- 192.168.56.105:30018
labels:
instance: smartbi
service: tomcat
kill -9 $(ps -ef|grep prometheus|awk ‘{print $2}’)
./prometheus &
十、grafana配置和添加tomcat监控
下载Jmx Dashboard(tomcat)
笔记本电脑下载
https://grafana.com/api/dashboards/11122/revisions/1/download
改良版grafana dashboard的json
{
"annotations": {
"list": [
{
"builtIn": 1,
"datasource": "-- Grafana --",
"enable": true,
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
"name": "Annotations & Alerts",
"target": {
"limit": 100,
"matchAny": false,
"tags": [],
"type": "dashboard"
},
"type": "dashboard"
}
]
},
"description": "jmx exporter monitor",
"editable": true,
"fiscalYearStartMonth": 0,
"gnetId": 11122,
"graphTooltip": 0,
"id": 5,
"iteration": 1636510688853,
"links": [],
"liveNow": false,
"panels": [
{
"collapsed": false,
"datasource": null,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 0
},
"id": 18,
"panels": [],
"title": "java_lang_OperatingSystem",
"type": "row"
},
{
"cacheTimeout": null,
"datasource": "Prometheus",
"description": "up",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [
{
"options": {
"0": {
"text": "DOWN"
},
"1": {
"text": "UP"
}
},
"type": "value"
},
{
"options": {
"match": "null",
"result": {
"text": "DOWN"
}
},
"type": "special"
}
],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "#d44a3a",
"value": null
},
{
"color": "rgba(237, 129, 40, 0.89)",
"value": 0
},
{
"color": "#299c46",
"value": 1
}
]
},
"unit": "none"
},
"overrides": []
},
"gridPos": {
"h": 3,
"w": 6,
"x": 0,
"y": 1
},
"id": 2,
"interval": null,
"links": [],
"maxDataPoints": 100,
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "horizontal",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"text": {},
"textMode": "auto"
},
"pluginVersion": "8.2.3",
"targets": [
{
"exemplar": true,
"expr": "up{job=\"java\", service=\"$app\", instance=\"$instance\"}",
"format": "time_series",
"instant": true,
"interval": "",
"intervalFactor": 4,
"legendFormat": "",
"refId": "A"
}
],
"timeFrom": null,
"timeShift": null,
"title": "Status",
"type": "stat"
},
{
"cacheTimeout": null,
"datasource": "Prometheus",
"description": "java_lang_Runtime_Uptime",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"decimals": 0,
"mappings": [
{
"options": {
"match": "null",
"result": {
"text": "N/A"
}
},
"type": "special"
}
],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "red",
"value": 80
}
]
},
"unit": "s"
},
"overrides": []
},
"gridPos": {
"h": 3,
"w": 6,
"x": 6,
"y": 1
},
"id": 4,
"interval": null,
"links": [],
"maxDataPoints": 100,
"options": {
"colorMode": "none",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "horizontal",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"text": {},
"textMode": "auto"
},
"pluginVersion": "8.2.3",
"targets": [
{
"exemplar": true,
"expr": "java_lang_runtime_uptime{job=\"java\", service=\"$app\", instance=\"$instance\"} / 1000",
"format": "time_series",
"instant": true,
"interval": "",
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"timeFrom": null,
"timeShift": null,
"title": "Uptime",
"type": "stat"
},
{
"cacheTimeout": null,
"datasource": "Prometheus",
"description": "java_lang_Runtime_StartTime",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [
{
"options": {
"match": "null",
"result": {
"text": "N/A"
}
},
"type": "special"
}
],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "#299c46",
"value": null
},
{
"color": "rgba(237, 129, 40, 0.89)",
"value": 35
},
{
"color": "#d44a3a",
"value": 50
}
]
},
"unit": "dateTimeAsIso"
},
"overrides": []
},
"gridPos": {
"h": 3,
"w": 6,
"x": 12,
"y": 1
},
"id": 6,
"interval": null,
"links": [],
"maxDataPoints": 100,
"options": {
"colorMode": "none",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "horizontal",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"text": {},
"textMode": "auto"
},
"pluginVersion": "8.2.3",
"targets": [
{
"exemplar": true,
"expr": "java_lang_runtime_starttime{job=\"java\", service=\"$app\", instance=\"$instance\"}",
"format": "time_series",
"instant": true,
"interval": "",
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"timeFrom": null,
"timeShift": null,
"title": "Start time",
"type": "stat"
},
{
"cacheTimeout": null,
"datasource": "Prometheus",
"description": "java_lang_OperatingSystem_OpenFileDescriptorCount",
"fieldConfig": {
"defaults": {
"color": {
"fixedColor": "rgb(31, 120, 193)",
"mode": "fixed"
},
"mappings": [
{
"options": {
"match": "null",
"result": {
"text": "N/A"
}
},
"type": "special"
}
],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "red",
"value": 80
}
]
},
"unit": "none"
},
"overrides": []
},
"gridPos": {
"h": 3,
"w": 6,
"x": 18,
"y": 1
},
"id": 16,
"interval": null,
"links": [],
"maxDataPoints": 100,
"options": {
"colorMode": "none",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "horizontal",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"text": {},
"textMode": "auto"
},
"pluginVersion": "8.2.3",
"targets": [
{
"exemplar": true,
"expr": "java_lang_operatingsystem_openfiledescriptorcount{job=\"java\", service=\"$app\", instance=\"$instance\"}",
"format": "time_series",
"instant": false,
"interval": "",
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"timeFrom": null,
"timeShift": null,
"title": "Open file descriptors",
"type": "stat"
},
{
"cacheTimeout": null,
"datasource": "Prometheus",
"description": "java_lang_OperatingSystem_SystemCpuLoad",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [
{
"options": {
"match": "null",
"result": {
"text": "N/A"
}
},
"type": "special"
}
],
"max": 100,
"min": 0,
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "red",
"value": 80
}
]
},
"unit": "percent"
},
"overrides": []
},
"gridPos": {
"h": 3,
"w": 6,
"x": 0,
"y": 4
},
"id": 8,
"interval": null,
"links": [],
"maxDataPoints": 100,
"options": {
"orientation": "horizontal",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"showThresholdLabels": false,
"showThresholdMarkers": true,
"text": {}
},
"pluginVersion": "8.2.3",
"targets": [
{
"exemplar": true,
"expr": "avg_over_time(java_lang_operatingsystem_systemcpuload{job=\"java\", service=\"$app\", instance=\"$instance\"}[1m]) * 100",
"format": "time_series",
"instant": false,
"interval": "",
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"timeFrom": null,
"timeShift": null,
"title": "CPU System Load(1m avg)",
"type": "gauge"
},
{
"cacheTimeout": null,
"datasource": "Prometheus",
"description": "java_lang_OperatingSystem_ProcessCpuLoad",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [
{
"options": {
"match": "null",
"result": {
"text": "N/A"
}
},
"type": "special"
}
],
"max": 100,
"min": 0,
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "red",
"value": 80
}
]
},
"unit": "percent"
},
"overrides": []
},
"gridPos": {
"h": 3,
"w": 6,
"x": 6,
"y": 4
},
"id": 10,
"interval": null,
"links": [],
"maxDataPoints": 100,
"options": {
"orientation": "horizontal",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"showThresholdLabels": false,
"showThresholdMarkers": true,
"text": {}
},
"pluginVersion": "8.2.3",
"targets": [
{
"exemplar": true,
"expr": "avg_over_time(java_lang_operatingsystem_processcpuload{job=\"java\", service=\"$app\", instance=\"$instance\"}[1m]) * 100",
"format": "time_series",
"interval": "",
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"timeFrom": null,
"timeShift": null,
"title": "CPU Process Load(1m avg)",
"type": "gauge"
},
{
"cacheTimeout": null,
"datasource": "Prometheus",
"description": "java_lang_OperatingSystem_SystemLoadAverage",
"fieldConfig": {
"defaults": {
"color": {
"fixedColor": "rgb(31, 120, 193)",
"mode": "fixed"
},
"mappings": [
{
"options": {
"match": "null",
"result": {
"text": "N/A"
}
},
"type": "special"
}
],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "red",
"value": 80
}
]
},
"unit": "none"
},
"overrides": []
},
"gridPos": {
"h": 3,
"w": 6,
"x": 12,
"y": 4
},
"id": 14,
"interval": null,
"links": [],
"maxDataPoints": 100,
"options": {
"colorMode": "none",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "horizontal",
"reduceOptions": {
"calcs": [
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],
"fields": "",
"values": false
},
"text": {},
"textMode": "auto"
},
"pluginVersion": "8.2.3",
"targets": [
{
"exemplar": true,
"expr": "java_lang_operatingsystem_systemloadaverage{job=\"java\", service=\"$app\", instance=\"$instance\"}",
"format": "time_series",
"instant": true,
"interval": "",
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"timeFrom": null,
"timeShift": null,
"title": "System load average",
"type": "stat"
},
{
"cacheTimeout": null,
"datasource": "Prometheus",
"description": "java_lang_OperatingSystem_AvailableProcessors",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [
{
"options": {
"match": "null",
"result": {
"text": "N/A"
}
},
"type": "special"
}
],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "red",
"value": 80
}
]
},
"unit": "none"
},
"overrides": []
},
"gridPos": {
"h": 3,
"w": 6,
"x": 18,
"y": 4
},
"id": 12,
"interval": null,
"links": [],
"maxDataPoints": 100,
"options": {
"colorMode": "none",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "horizontal",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"text": {},
"textMode": "auto"
},
"pluginVersion": "8.2.3",
"targets": [
{
"exemplar": true,
"expr": "java_lang_operatingsystem_availableprocessors{job=\"java\", service=\"$app\", instance=\"$instance\"}",
"format": "time_series",
"instant": true,
"interval": "",
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
"timeFrom": null,
"timeShift": null,
"title": "CPU Cores",
"type": "stat"
},
{
"collapsed": true,
"datasource": null,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 7
},
"id": 20,
"panels": [
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "Prometheus",
"description": "java_lang_GarbageCollector_CollectionCount",
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 8,
"w": 12,
"x": 0,
"y": 2
},
"hiddenSeries": false,
"id": 22,
"legend": {
"alignAsTable": true,
"avg": true,
"current": true,
"max": true,
"min": true,
"rightSide": false,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"percentage": false,
"pluginVersion": "8.2.3",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"exemplar": true,
"expr": "increase(java_lang_garbagecollector_collectioncount{job=\"java\", service=\"$app\", instance=\"$instance\"}[1m])",
"format": "time_series",
"interval": "",
"intervalFactor": 1,
"legendFormat": "name: {{name}}",
"refId": "A"
}
],
"thresholds": [],
"timeFrom": null,
"timeRegions": [],
"timeShift": null,
"title": "GC count",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"decimals": 0,
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "Prometheus",
"description": "java_lang_GarbageCollector_CollectionTime",
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 8,
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"style": "dark",
"tags": [
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},
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"error": null,
"hide": 0,
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"label": "APP_NAME",
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},
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"tagValuesQuery": "",
"tagsQuery": "",
"type": "query",
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},
{
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"current": {
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"text": "test_tomcat",
"value": "test_tomcat"
},
"datasource": "Prometheus",
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"error": null,
"hide": 0,
"includeAll": false,
"label": "POD_IP",
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"name": "instance",
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"query": {
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},
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"regex": "",
"skipUrlSync": false,
"sort": 0,
"tagValuesQuery": "",
"tagsQuery": "",
"type": "query",
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}
]
},
"time": {
"from": "now-30m",
"to": "now"
},
"timepicker": {
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"nowDelay": "",
"refresh_intervals": [
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"15m",
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},
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配置grafana
Configuration=>Data sources=>Prometheus=>URL=>http://192.168.56.105:9090=>Save & test
导入json
使用文本编辑器批量修改参数
k8s_app替换成job
teddy_app替换成service
Dashboards=>Manage=>Import=>Import via panel json=>Load=>勾选prometheus数据源