| From: | "Tsunakawa, Takayuki" <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com> |
|---|---|
| To: | 'Amit Langote' <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, "Imai, Yoshikazu" <imai(dot)yoshikazu(at)jp(dot)fujitsu(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)anarazel(dot)de>, "'Simon Riggs'" <simon(at)2ndquadrant(dot)com>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | RE: Speed up transaction completion faster after many relations are accessed in a transaction |
| Date: | 2019-04-05 01:52:36 |
| Message-ID: | 0A3221C70F24FB45833433255569204D1FBEFD91@G01JPEXMBYT05 |
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| Lists: | pgsql-hackers |
Hi Amit-san, Imai-snan,
From: Amit Langote [mailto:Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp]
> I was able to detect it as follows.
> plan_cache_mode = auto
>
> HEAD: 1915 tps
> Patched: 2394 tps
>
> plan_cache_mode = custom (non-problematic: generic plan is never created)
>
> HEAD: 2402 tps
> Patched: 2393 tps
Thanks a lot for very quick confirmation. I'm relieved to still see the good results.
Regards
Takayuki Tsunakawa
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