What to do if centos disk space is insufficient

What should I do if there is insufficient disk space in centos?

1 df -ah Display/root directory occupies 90%

Enter the root directory to query the capacity of the specified folder

cd /
 du -sh * | sort -n

The disk size is 50G, and the files totaling about 10G cannot be found

2 I am affected by it, I have cleaned up the log, but the space is It is still not released, so I suspect it is a process occupation problem

Query the deleted files and files occupied by the process through commands

lsof | grep delete

3 Query For specific services, just find the corresponding service and restart it

ps -ef | pid号

Find a few services, restart them one by one, and handle them according to the specific situation

systemctl restart rsyslog
systemctl restart gmain
systemctl restart zabbix-agent
systemctl restart cloudera-scm-agent

4, Finally check

lsof | grep delete　

No more occupied files

df -ah

The occupied space has been released

Recommended: "centos Tutorial》

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