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Re: stress test for parallel workers - Mailing list pgsql-hackers

From Thomas Munro
Subject Re: stress test for parallel workers
Date
Msg-id CA+hUKGLFVezTB0Va-KM1Qzrj+p2zHNRczLZYCLbWAS9fJZdcBA@mail.gmail.com
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In response to stress test for parallel workers  (Justin Pryzby <pryzby@telsasoft.com>)
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On Wed, Jul 24, 2019 at 4:27 AM Justin Pryzby <pryzby@telsasoft.com> wrote:
> < 2019-07-23 10:33:51.552 CDT postgres >FATAL:  postmaster exited during a parallel transaction
> < 2019-07-23 10:33:51.552 CDT postgres >STATEMENT:  CREATE UNIQUE INDEX
unused0_huawei_umts_nodeb_locell_201907_unique_idxON child.unused0_huawei_umts_nodeb_locell_201907 USING btree ...
 

> ...  I've set
> max_parallel_workers_per_gather=0, ...

Just by the way, parallelism in CREATE INDEX is controlled by
max_parallel_maintenance_workers, not max_parallel_workers_per_gather.

-- 
Thomas Munro
https://enterprisedb.com

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