| From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
|---|---|
| To: | Haribabu kommi <haribabu(dot)kommi(at)huawei(dot)com> |
| Cc: | KONDO Mitsumasa <kondo(dot)mitsumasa(at)lab(dot)ntt(dot)co(dot)jp>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Compression of full-page-writes |
| Date: | 2013-10-10 17:36:09 |
| Message-ID: | CAHGQGwH2GjPaNLREEToj6Qvv4J2ByctGCKOWKQaf6E3MPm=MTw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Oct 9, 2013 at 1:35 PM, Haribabu kommi
<haribabu(dot)kommi(at)huawei(dot)com> wrote:
> On 08 October 2013 18:42 KONDO Mitsumasa wrote:
>>(2013/10/08 20:13), Haribabu kommi wrote:
>>> I will test with sync_commit=on mode and provide the test results.
>>OK. Thanks!
>
> Pgbench test results with synchronous_commit mode as on.
Thanks!
> Thread-1 Threads-2
> Head code FPW compress Head code FPW compress
> Pgbench-org 5min 138(0.24GB) 131(0.04GB) 160(0.28GB) 163(0.05GB)
> Pgbench-1000 5min 140(0.29GB) 128(0.03GB) 160(0.33GB) 162(0.02GB)
> Pgbench-org 15min 141(0.59GB) 136(0.12GB) 160(0.65GB) 162(0.14GB)
> Pgbench-1000 15min 138(0.81GB) 134(0.11GB) 159(0.92GB) 162(0.18GB)
>
> Pgbench-org - original pgbench
> Pgbench-1000 - changed pgbench with a record size of 1000.
This means that you changed the data type of pgbench_accounts.filler
to char(1000)?
Regards,
--
Fujii Masao
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