RE: speeding up planning with partitions

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>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: RE: speeding up planning with partitions
Date: 2018-08-30 01:45:43
Message-ID: 0A3221C70F24FB45833433255569204D1FAA4388@G01JPEXMBYT05
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From: Amit Langote [mailto:Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp]
> We can definitely try, but I'm not immediately sure if the further
> improvements will come from continuing to fix the planner. Maybe, the
> overhead of partitioning could be attributed to other parts of the system.

> Actually, I wrote that for patch 0002. The next patch (0003) is meant to
> fix that. So, the overhead you're seeing is even after making sure that
> only the selected partitions are locked.

Thanks for telling your thought. I understood we should find the bottleneck with profiling first.

Takayuki Tsunakawa

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