Re: a lot of session wait on lock relation

Chetan <chetansuttraway@gmail.com>

From: Chetan <chetansuttraway@gmail.com>
To: James Pang <jamespang886@gmail.com>
Cc: pgsql-performance@lists.postgresql.org
Date: 2025-05-15T09:31:12Z
Lists: pgsql-performance
Hi James,

Could share the related test setup details?
Would like to look into this.

Thanks,
Chetan


On Thu, 15 May 2025 at 09:27, James Pang <jamespang886@gmail.com> wrote:

> Hi,
>    PGv 15.10,  many session coming in doing "insert into tablexxx
> values...." in parallel, this is a range partition tables, total 12
> partitions plus one default partition, only three btree indexes, no others
> constraints ,no foreign key. but we see hundreds of session waiting on
> "lock:relation", why inserts into partition table cause "relation lock" ?
>
> Thanks,
>
> James
>


-- 
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Regards,
Chetan

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