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Re: Dead Space Map version 3 (simplified)

From: ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>
To: "Pavan Deolasee" <pavan(dot)deolasee(at)gmail(dot)com>
Cc: pgsql-patches(at)postgresql(dot)org
Subject: Re: Dead Space Map version 3 (simplified)
Date: 2007-04-17 07:27:49
Message-ID: 20070417161700.771A.ITAGAKI.TAKAHIRO@oss.ntt.co.jp (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Thank you for reporting!

I noticed that I need more examination the case when dsm relations or
dsm chunks are exhausted. I'll do more tests for DSM.


"Pavan Deolasee" <pavan(dot)deolasee(at)gmail(dot)com> wrote:

> I was testing this patch when got this server crash. The patch is applied
> on the current CVS HEAD. I thought you would be interested in this.
> 
> The patch worked for smaller scaling factor and its reproducible.
> 
> Test: pgbench -s 90 -i -F 95 postgres
> 
> #3  0x082dc04f in ExceptionalCondition (conditionName=0x83a7ad7 "!(victim)",
> errorType=0x83a7622 "FailedAssertion",
>     fileName=0x83a7487 "deadspace.c", lineNumber=1080) at assert.c:51

Regards,
---
ITAGAKI Takahiro
NTT Open Source Software Center



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