| From: | Greg Smith <greg(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: buffer assertion tripping under repeat pgbench load |
| Date: | 2012-12-24 16:25:46 |
| Message-ID: | 50D8820A.6050004@2ndQuadrant.com |
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| Lists: | pgsql-hackers |
On 12/24/12 11:10 AM, Simon Riggs wrote:
> I wonder if you're having a hardware problem?
Always possible. I didn't report this until I had replicated the crash
and seen exactly the same thing twice. I've seen it crash on this
assertion 6 times now. Bad hardware is not normally so consistent.
I do have another system that's almost identical to this one, except for
the hard drives. If progress on tracking down the problem stalls I can
try to duplicate this on there.
I kicked off another test that includes the block number just before Tom
suggested it, so I should have the block by tomorrow at the latest. The
range of runtime before crash is 3 to 14 hours so far.
--
Greg Smith 2ndQuadrant US greg(at)2ndQuadrant(dot)com Baltimore, MD
PostgreSQL Training, Services, and 24x7 Support www.2ndQuadrant.com
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