process 进程监控

常见的进程监控配置

查看监控状态

process_exporter.service

root@ph-drt-v-66-232-live:~# systemctl status process_exporter.service
● process_exporter.service - Process Exporter for Prometheus
     Loaded: loaded (/etc/systemd/system/process_exporter.service; enabled; vendor preset: enabled)
     Active: active (running) since Mon 2022-12-19 16:51:27 +08; 1min 29s ago
   Main PID: 3162795 (process_exporte)
      Tasks: 11
     Memory: 7.0M
     CGroup: /system.slice/process_exporter.service
             └─3162795 /usr/local/bin/process_exporter --config.path /etc/process_exporter/config.yml --web.listen-address=0.0.0.0:9118

12月 19 16:51:27 ph-drt-v-66-232-live systemd[1]: Started Process Exporter for Prometheus.
12月 19 16:51:27 ph-drt-v-66-232-live process_exporter[3162795]: 2022/12/19 16:51:27 Reading metrics from /proc based on "/etc/process_exporter/config.yml"

查看监控服务

root@ph-drt-v-66-232-live:~# cat /etc/systemd/system/process_exporter.service
[Unit]
Description=Process Exporter for Prometheus
After=network-online.target

[Service]
Type=simple
KillMode=process
ExecStart=/usr/local/bin/process_exporter \
--config.path /etc/process_exporter/config.yml \
--web.listen-address=0.0.0.0:9118

SyslogIdentifier=process_exporter
Restart=always
RestartSec=1

[Install]
WantedBy=multi-user.target

查看进程监控的配置

root@ph-drt-v-66-232-live:~# cat /etc/process_exporter/config.yml
process_names:
  - comm:
    - squid
    - prometheus
    - alertmanager
    - nginx
    - haproxy
    - redis-server
    - etcd
    - bankapi
    - coredns
  - name: elasticsearch
    comm:
      - java
    cmdline:
      - org.elasticsearch.bootstrap.Elasticsearch
  - name: zookeeper
    comm:
      - java
    cmdline:
      - org.apache.zookeeper.server.quorum.QuorumPeerMain
  - name: kafka
    comm:
      - java
    cmdline:
      - kafka.Kafka
  - name: bankapi
    comm:
      - java
    cmdline:
      - bank-gateway-adapter

查看进程数

root@ph-drt-v-66-231-live:~#  curl 0.0.0.0:9118/metrics|grep bankapi|grep namedprocess_namegroup_num_procs
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 50533  100 50533    0     0  2467k      0 --:--:-- --:--:-- --:--:-- 2467k
namedprocess_namegroup_num_procs{groupname="bankapi"} 1