BIND with RPZ - CPU Affinity
Arie L. Putra
arielp at smartfren.com
Tue Sep 3 01:25:01 UTC 2013
ditto,
thank for the tips, indeed our team missed the "--enable-threads" (build from source, previously just using ubuntu pre-built 9.8.1)
after enable it we found that the CPU usage is spread across all 24 CPU.
Thanks, really appreciate it.
Best Regards,
Arie Lendra Putra
陈维文
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----- Original Message -----
From: "Michael McNally" <mcnally at isc.org>
To: bind-users at lists.isc.org
Sent: Saturday, August 31, 2013 12:09:17 AM
Subject: Re: BIND with RPZ - CPU Affinity
On 8/30/13 2:45 AM, Arie Lendra Putra wrote:
> 2x Xeon (total seen by OS 24CPU)
> 16GB RAM
> Ubuntu Server 12.04
>
> We test limited number RPZ list BIND 9.8.1 (came with Ubuntu 12.04), and
> put it on the live network, the result is OK, all load is shared among
> 24 CPU, @10% usage
>
> Then in response to BIND Security Advisory (exploit), we upgraded it to
> 9.8.5-P2, and we increase to RPZ list to a huge list (1,3M blacklist)
>
> But now the CPU load is seem to focus only on CPU0 (40%), and remaining
> CPU (1-23) only around 2%
>
> Any idea what may seems to be the problem,
Did you build the 9.8.5-P2 binaries yourself from ISC source or do you
know what configure options were used? (If you're not sure, you can
check by running named -V)
You might check to make sure that threads are enabled, or enable them
explicitly with "./configure --enable-threads" (+whatever other options
you built with previously) before re-building the source.
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