| From: | Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp> |
|---|---|
| To: | dean(dot)a(dot)rasheed(at)gmail(dot)com, coelho(at)cri(dot)ensmp(dot)fr, pg(at)bowt(dot)ie, laurenz(dot)albe(at)cybertec(dot)at |
| Cc: | pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Using COPY FREEZE in pgbench |
| Date: | 2021-09-02 01:56:57 |
| Message-ID: | 20210902.105657.1658913869640450591.t-ishii@sraoss.co.jp |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
>> I tested this with -s100 and got similar results, but with -s1000 it
>> was more like 1.5x faster:
>>
>> master:
>> done in 111.33 s (drop tables 0.00 s, create tables 0.01 s,
>> client-side generate 52.45 s, vacuum 32.30 s, primary keys 26.58 s)
>>
>> patch:
>> done in 74.04 s (drop tables 0.46 s, create tables 0.04 s, client-side
>> generate 51.81 s, vacuum 2.11 s, primary keys 19.63 s)
>>
>> Nice!
>>
>> Regards,
>> Dean
>
> If there's no objection, I am going to commit/push to master branch in
> early September.
I have pushed the patch to master branch.
https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=06ba4a63b85e5aa47b325c3235c16c05a0b58b96
Thank you for those who gave me the valuable reviews!
Reviewed-by: Fabien COELHO, Laurenz Albe, Peter Geoghegan, Dean Rasheed
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp
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