Re: Compression of full-page-writes - Mailing list pgsql-hackers

From KONDO Mitsumasa
Subject Re: Compression of full-page-writes
Date
Msg-id 52202E8A.5030707@lab.ntt.co.jp
Whole thread Raw
In response to Compression of full-page-writes  (Fujii Masao <masao.fujii@gmail.com>)
Responses Re: Compression of full-page-writes  (Fujii Masao <masao.fujii@gmail.com>)
List pgsql-hackers
(2013/08/30 11:55), Fujii Masao wrote:
> * Benchmark
>    pgbench -c 32 -j 4 -T 900 -M prepared
>    scaling factor: 100
>
>    checkpoint_segments = 1024
>    checkpoint_timeout = 5min
>    (every checkpoint during benchmark were triggered by checkpoint_timeout)
Did you execute munual checkpoint before starting benchmark?
We read only your message, it occuered three times checkpoint during benchmark.
But if you did not executed manual checkpoint, it would be different.

You had better clear this point for more transparent evaluation.

Regards,
-- 
Mitsumasa KONDO
NTT Open Software Center



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