| From: | Amit Kapila <amit(dot)kapila(at)huawei(dot)com> |
|---|---|
| To: | "'Kevin Grittner'" <kgrittn(at)mail(dot)com>, "'Simon Riggs'" <simon(at)2ndQuadrant(dot)com> |
| Cc: | <robertmhaas(at)gmail(dot)com>, <josh(at)agliodbs(dot)com>, <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Re: patch submission: truncate trailing nulls from heap rows to reduce the size of the null bitmap [Review] |
| Date: | 2012-12-24 14:49:30 |
| Message-ID: | 00b501cde1e5$e19fd080$a4df7180$@kapila@huawei.com |
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| Thread: | |
| Lists: | Postg범퍼카 토토SQL |
On Monday, December 24, 2012 7:58 PM Kevin Grittner wrote:
> Simon Riggs wrote:
>
> > Not really sure about the 100s of columns use case.
> >
> > But showing gain in useful places in these more common cases wins
> > my vote.
> >
> > Thanks for testing. Barring objections, will commit.
>
> Do we have any results on just a plain, old stock pgbench run, with
> the default table definitions?
>
> That would be a reassuring complement to the other tests.
Shall run pgbench tpc_b with scalefactor - 50 for 10 mins with/without patch and will post the results.
Kindly let me know if you feel any other test needs to be run.
With Regards,
Amit Kapila.
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