Re: How to estimate the shared memory size required for parallel scan? - Mailing list pgsql-hackers

From Thomas Munro
Subject Re: How to estimate the shared memory size required for parallel scan?
Date
Msg-id CA+hUKG+qK3E2RF75PKfsV0sn2s018+ft--hUuCmd2R_yQ9tmPQ@mail.gmail.com
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In response to Re: How to estimate the shared memory size required for parallel scan?  (Thomas Munro <thomas.munro@gmail.com>)
Responses Re: How to estimate the shared memory size required for parallel scan?  (Thomas Munro <thomas.munro@gmail.com>)
List pgsql-hackers
On Thu, May 2, 2019 at 8:06 PM Thomas Munro <thomas.munro@gmail.com> wrote:
> I was pinged off-list by someone who is working on a parallel-aware
> FDW, who asked if I still had the test code I mentioned up-thread.
> While digging that out, I couldn't resist hacking it a bit more until
> it gave the right answers, only sooner:

Here's a version that fixes an assertion failure when the regression
test tries to UPDATE a file_fdw table.  That'll teach me to turn off
assertions for benchmarking, and then change something, and then post
a patch...  Added to commitfest.

-- 
Thomas Munro
https://enterprisedb.com

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