Re: Materialized view refreshing problem

2023-08-24 Thread Hellen Jiang
512426 | | || | | | | 245/1163 | 15932 | AccessExclusiveLock | f | f (1 row) From: Tom Lane Date: Thursday, August 24, 2023 at 3:02 PM To: Hellen Jiang Cc: pgsql-general@lists.postgresql.org Subject: Re: Materialized view refr

Re: Materialized view refreshing problem

2023-08-24 Thread Tom Lane
Hellen Jiang writes: > When the materialized view was refreshing concurrently, I saw the pg_lock > like this: there was no response within 30 seconds when the api calls this > query, and we got api time out. Well, that seems to confirm my idea that the REFRESH is blocked behind somebody else's

Re: Materialized view refreshing problem

2023-08-24 Thread Tom Lane
Hellen Jiang writes: > But from time and time, we found that it took forever to refresh materialized > view( normally or concurrently), and there is no response to query from this > materialized view. That sounds like a locking problem. Have you looked into pg_locks while this is happening, to

Materialized view refreshing problem

2023-08-24 Thread Hellen Jiang
materialized view refreshing problem? Thanks Hellen Jiang