Re: [bug fix] Memory leak in dblink - Mailing list pgsql-hackers

From Joe Conway
Subject Re: [bug fix] Memory leak in dblink
Date
Msg-id 53A25DFC.30307@joeconway.com
Whole thread Raw
In response to Re: [bug fix] Memory leak in dblink  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: [bug fix] Memory leak in dblink
List pgsql-hackers
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On 06/18/2014 08:45 PM, Tom Lane wrote:
> Joe Conway <mail@joeconway.com> writes:
>> On 06/18/2014 07:29 PM, Tom Lane wrote:
>>> With the attached patch on top of yours, I see no leak
>>> anymore.
> 
>> I can confirm that -- rock solid with 1 million iterations. I
>> assume that should not be back-patched though?
> 
> Well, we usually think memory leaks are back-patchable bugs.  I'm a
> bit worried about the potential performance impact of an extra 
> memory context creation/deletion though.  It's probably not
> noticeable in this test case, but that's just because dblink() is
> such a spectacularly expensive function.

Probably so. I'll try to scrounge up some time to test the performance
impact of your patch.

Joe

- -- 
Joe Conway
credativ LLC: http://www.credativ.us
Linux, PostgreSQL, and general Open Source
Training, Service, Consulting, & 24x7 Support
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