| From: | Shaun Thomas <sthomas(at)optionshouse(dot)com> |
|---|---|
| To: | Ben Chobot <bench(at)silentmedia(dot)com> |
| Cc: | pgsql-performance <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: shared_buffers on ubuntu precise |
| Date: | 2012-11-30 20:01:45 |
| Message-ID: | 50B910A9.7000406@optionshouse.com |
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| Thread: | |
| Lists: | pgsql-performance |
On 11/30/2012 01:57 PM, Ben Chobot wrote:
> Hm, this sounds like something we should look into. Before we start
> digging do you have more to share, or did you leave it with the "huh,
> that's weird; this seems to fix it" solution?
We're still testing. We're still on the -31 kernel. We tried the -33
kernel which *might* fix it, but then this happened:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1084264
So now we're testing -34 which is currently proposed. Either way, it's
pretty clear that Ubuntu's choice of patches to backport is rather
eclectic and a little wonky, or that nailing down load calculations went
awry since the NOHZ stuff started, or both. At this point, I wish we'd
stayed on CentOS.
--
Shaun Thomas
OptionsHouse | 141 W. Jackson Blvd. | Suite 500 | Chicago IL, 60604
312-444-8534
sthomas(at)optionshouse(dot)com
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