Horton

many sessions wait on LWlock WALWrite suddenly

James Pang <jamespang886@gmail.com>

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From: James Pang <jamespang886@gmail.com>
To: pgsql-performance@lists.postgresql.org
Date: 2025-04-11T14:36:57Z
Lists: pgsql-performance 
   pgv14.8 , during peak time, we suddenly see hundreds of active sessions
waiting on LWlock  WALWrite at the same time, but we did not find any issue
on storage .
any suggestions ?

Thanks,

James