[Aide] AIDE performance problems

[Andy Lawrence]

Are you concerned with intrusion detection or only mystery bit flips?  If
only bit flips change your hash on that directory to only md5, will be much
faster.

On Sun, Apr 5, 2015 at 5:11 PM, Paul Hessels <paul at hessels.ca> wrote:

> I have a rather large dataset that I am running AIDE against. I am running
> AIDE on my backup server that has a bunch of systems backups on it.  The
> server in question has about 5TB of data and about 200 million files.
>
> Currently its taking about 27 hours to run.  The system is 15 drives in
> raid0 with XFS.
>
> Oddly, the bottle neck doesn't seem to be disk.  iostat lists it as only
> 25% util.  Simple dd tests suggest that percentage is right for both
> throughput and iops.
>
> The CPU doesn't seem to be the bottleneck.  Its about 65% idle most of the
> time.  The process seems to be sitting in the 'D' state most of the time.
>
> The number of interrupts seems reasonable...
>
> I don't know what to do next.  I need this to run in 20 hours or less.
>
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>


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