[ale] Long lag for command line

[Wolf Halton]

Thanks for that update. Nice to know.

Wolf Halton
--
http://wolfhalton.info
Apache developer:
wolfhalton at apache.org
On Jul 7, 2013 2:30 PM, "Alex Carver" <agcarver+ale at acarver.net> wrote:

> I think I may have figured out the lag problem.  ClamAV was still running
> its default config which updates every hour (!).  I don't even scan once a
> week so I certainly don't need an update every hour. However, it's not
> smart enough to abort quickly if there's an I/O issue (like a slow mirror)
> so it just hangs on.
>
> At the same time integrit and rkhunter both take off running (integrit
> once per night and rkhunter once per week).  Both of them were scanning
> clamav's files while clamav had them open to update.  To top that off would
> be all the other disk I/O going on at various times (mysql actively
> handling data requests, me fiddling around at the command line, SMART
> probing the disks, other cron jobs, etc.)
>
> So one big I/O collision later, nothing runs properly.  As soon as I
> killed off clamav's freshclam updater, though, everything took off like
> normal and all the delays went away.  So freshclam seems to be the main
> culprit.
>
> I'm still going to keep an eye on it but for now I killed freshclam's
> daemon mode and put a script into cron.weekly so that it only updates once
> per week.  I also have rkhunter and integrit avoiding the clamav databases
> so I think it'll finally behave.
>
> On 7/2/2013 12:19, Alex Carver wrote:
>
>> Ok, so it hung up again.  I've got a good strace and a bad strace for
>> starting up vi.  The good strace shows the whole trace taking about
>> three seconds.  The bad strace shows the whole trace taking 20 seconds.
>>
>
>
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