| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Mitsumasa KONDO <kondo(dot)mitsumasa(at)gmail(dot)com> |
| Cc: | KONDO Mitsumasa <kondo(dot)mitsumasa(at)lab(dot)ntt(dot)co(dot)jp>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Optimize kernel readahead using buffer access strategy |
| Date: | 2013-12-12 14:05:01 |
| Message-ID: | CA+U5nMJQ==AvTxypAdnNQbfdwPS3xraX2mzmz5Mv7Na1fNdq9w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 12 December 2013 13:43, Mitsumasa KONDO <kondo(dot)mitsumasa(at)gmail(dot)com> wrote:
>> Your tests seem to relate to pgbench. Do we have tests on more BI related
>> tasks?
>
> Yes, off-course! We will need another benchmark test before conclusion of
> this patch.
> What kind of benchmark do you have?
I suggest isolating SeqScan and IndexScan and BitmapIndex/HeapScan
examples, as well as some of the simpler TPC-H queries.
But start with some SeqScan and VACUUM cases.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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