| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Cc: | Masayuki Takahashi <masayuki038(at)gmail(dot)com> |
| Subject: | Re: How to estimate the shared memory size required for parallel scan? |
| Date: | 2019-05-02 18:06:14 |
| Message-ID: | CA+hUKG+qK3E2RF75PKfsV0sn2s018+ft--hUuCmd2R_yQ9tmPQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, May 2, 2019 at 8:06 PM Thomas Munro <thomas(dot)munro(at)gmail(dot)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
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-Make-file_fdw-parallel-aware-v2.patch | application/octet-stream | 14.2 KB |
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