Re: Query about pg_wal directory filled up - Mailing list pgsql-general

From Laurenz Albe
Subject Re: Query about pg_wal directory filled up
Date
Msg-id ea673880dd25ed8dc6c594874186d196502c1644.camel@cybertec.at
Whole thread Raw
In response to Query about pg_wal directory filled up  (Rama Krishnan <raghuldrag@gmail.com>)
List pgsql-general
On Tue, 2024-12-17 at 19:11 +0530, Rama Krishnan wrote:
> One of their main concerns is whether the database will allow `INSERT` queries
> when the `pg_wal` directory becomes full.  
>
> As I understand, once the `pg_wal` directory is completely filled, the database
> will allow only read queries and will not permit any write operations.  

That is not the case.  If pg_wal fills up (more precisely: if creating a new
file in pg_wal fails), PostgreSQL will crash and go down.

Yours,
Laurenz Albe



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