From: | Joe Conway <mail(at)joeconway(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | MauMau <maumau307(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [bug fix] Memory leak in dblink |
Date: | 2014-06-20 00:52:23 |
Message-ID: | 53A385C7.5020407@joeconway.com |
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Lists: | pgsql-hackers |
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On 06/19/2014 04:36 PM, Tom Lane wrote:
> In the first query, the MemoryContextReset is nearly free since
> there's nothing to free (and we've special-cased that path in
> aset.c). It's certainly a measurement artifact that it measures
> out faster, which says to me that these numbers can only be trusted
> within a couple percent; but at least we're not taking much hit in
> cases where the patch isn't actually conferring any benefit. For
> the second query, losing 1% to avoid memory bloat seems well
> worthwhile.
>
> Barring objections I'll apply and back-patch this.
Nice work! +1
Joe
- --
Joe Conway
credativ LLC: http://www.credativ.us
Linux, PostgreSQL, and general Open Source
Training, Service, Consulting, & 24x7 Support
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