1、查看pid
ps -ef|grep prometheus
2、查看当前文件打开数
lsof|grep pid|wc -l
3、查看限制
cat /proc/pid/limits
4、修改限制
[root@localhost system]# cat prometheus.service
[Unit]
Description=Prometheus Server
After=network.target
[Service]
LimitNOFILE=20000
ExecStart=/data/opt/prometheus/prometheus --config.file=/data/opt/prometheus/prometheus.yml --web.read-timeout=5m --web.max-connections=10 --storage.tsdb.retention=30d --storage.tsdb.path=/data/opt/prometheus/data --query.max-concurrency=20 --query.timeout=2m --web.enable-lifecycle
User=root
[Install]
WantedBy=multi-user.target
