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Re: POC: Cache data in GetSnapshotData() - Mailing list pgsql-hackers

From Robert Haas
Subject Re: POC: Cache data in GetSnapshotData()
Date
Msg-id CA+TgmobemA6zL35DDf98ZWKEV_XFDTa+=3C=3Uh=D2biK=qOuw@mail.gmail.com
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In response to Re: POC: Cache data in GetSnapshotData()  (Mithun Cy <mithun.cy@enterprisedb.com>)
Responses Re: [HACKERS] POC: Cache data in GetSnapshotData()  (Mithun Cy <mithun.cy@enterprisedb.com>)
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On Tue, Mar 22, 2016 at 4:42 AM, Mithun Cy <mithun.cy@enterprisedb.com> wrote:
> On Thu, Mar 10, 2016 at 1:36 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
> >Do you think it makes sense to check the performance by increasing CLOG buffers (patch for same is posted in Speed
upClog thread [1]) >as that also relieves contention on CLOG as per the tests I have done?
 
>
> Along with clog patches and save snapshot, I also applied Amit's increase clog buffer patch. Below is the benchmark
results.

I think that we really shouldn't do anything about this patch until
after the CLOG stuff is settled, which it isn't yet.  So I'm going to
mark this Returned with Feedback; let's reconsider it for 9.7.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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