Hi Kashif, just to clarify my question, are you saying that the I/O from
parallel workers is recorded into the "background worker" entry of
pg_stat_io?
Thanks,
Dimitris
On Wed, 15 May 2024, Kashif Zeeshan wrote:
Hi
parallel worker are used for parallel execution of the queries and you can fin
Hi
parallel worker are used for parallel execution of the queries and you can
find the help in the below link.
https://www.postgresql.org/docs/current/how-parallel-query-works.html
Its controlled by following parameters.
max_worker_processes = 6
max_parallel_workers_per_gather = 3
max_parallel_
So what is this particular "background worker" I'm seeing, given that I
have no replication or extensions?
Searching the logs I found entries like the following:
LOG: background worker "parallel worker" (PID 93384) exited with exit code 1
This got logged when I killed a simple SELECT query tha
Hi,
In PostgreSQL, the pg_stat_io view provides detailed statistics on I/O
operations. Background process perform maintenance tasks and other
background operations essential to the functioning of the PostgreSQL
database.
They include processes such as:
1. Autovacuum Workers
2. WAL Writer
3. Backg
Hi
background workers are used to perform tasks on db e.g. I/O, replication,
clone schema, vacuum etc, you can find more details on following links.
https://www.postgresql.org/docs/current/bgworker.html#:~:text=PostgreSQL%20can%20be%20extended%20to,linked%20to%20the%20server's%20status
.
Regards
Hello list,
what is the "background worker" in the pg_stat_io statistics view? I'm
reading the documentation but can't figure this one out knowing that it is
not autovacuum or bgwriter. And I'm not aware of any extension I might
have with registered background worker.
Additionally, how can it be