overhead of auditd

[Steve Grubb]

Hello,

On Thursday, July 11, 2019 11:23:45 PM EDT 杨海 wrote:
> Turning on all system calls in audit.rules, and transferring a tar file to
> the target system (CentOS 7, 4 cores), I found "auditd" consumes high CPU
> usage. Is it expected?

It would not be surprising. Some system calls have more overhead than others. 
So, depending on everything that is running, you can kill your system.

> BTW, after turning write-logs off, and add dispatcher, both "audispd" and
> "auditd" are consuming high CPU.

They have a lot of events to handle.

-Steve