Issue
fs.suid_dumpable should be = 0 or 1 to make MySQL governor 's IO limit work properly?
Environment
- Cloudlinux OS
- Governor
Solution
Basically, it is needed to set fs.suid_dumpable=1
for the proper work of MySQL Governor IO limits.
If the process's "dumpable" attribute is set to a value other than 1, the ownership on /proc/[PID]
is made root:root
. Resetting the "dumpable" attribute to 1 reverts the ownership of the /proc/[pid]/*
files to the process's effective UID and GID.
So, if the "dumpable" is 0, ownership is root:root
and the user can't see the process. If "dumpable" is 1, the ownership of the /proc/[pid]/*
files is set to the user.
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