| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Thom Brown <thom(at)linux(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Jesper Pedersen <jesper(dot)pedersen(at)redhat(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Speed up Clog Access by increasing CLOG buffers |
| Date: | 2016-02-27 04:37:52 |
| Message-ID: | CAA4eK1KZ1HVOjy39i3FRS9MsbR6GgH8D7cqyoYJxyb2PJt05Qg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Feb 27, 2016 at 10:03 AM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
wrote:
>
>
> Here, we can see that there is a gain of ~15% to ~38% at higher client
> count.
>
> The attached document (perf_write_clogcontrollock_data_v6.ods) contains
> data, mainly focussing on single client performance. The data is for
> multiple runs on different machines, so I thought it is better to present
> in form of document rather than dumping everything in e-mail. Do let me
> know if there is any confusion in understanding/interpreting the data.
>
>
Forgot to mention that all these tests have been done by
reverting commit-ac1d794.
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com
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