From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com> |
Cc: | Jeevan Chalke <jeevan(dot)chalke(at)enterprisedb(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Substantial bloat in postgres_fdw regression test runtime |
Date: | 2017-01-25 13:32:48 |
Message-ID: | 5995.1485351168@sss.pgh.pa.us |
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Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com> writes:
> On Thu, Nov 3, 2016 at 1:58 PM, Jeevan Chalke
> <jeevan(dot)chalke(at)enterprisedb(dot)com> wrote:
>> Attached patch with test-case modification.
> I verified that this patch indeed bring the time down to 2 to 3
> seconds from 10 seconds.
Thanks for working on this, guys.
> The additional condition t2.c2 = 6 seems to echo the filter t2.c2 = 6
> of aggregate. We wouldn't know which of those actually worked. I
> modified the testcase to use t2.c2 % 6 = 0 instead and keep the filter
> condition intact. This increases the execution time by .2s, which may
> be ok. Let me know what you thing of the attached patch.
Agreed, that seems like a good compromise. Pushed that way.
> Also, please add this to the commitfest, so that it isn't forgotten.
No need.
regards, tom lane
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