Re: Suspicious top output - Mailing list pgsql-performance

From Ivan Voras
Subject Re: Suspicious top output
Date
Msg-id fultkb$r9k$1@ger.gmane.org
Whole thread Raw
In response to Suspicious top output  (Rafael Barrera Oro <rafael@akyasociados.com.ar>)
List pgsql-performance
Rafael Barrera Oro wrote:
> Hello, i have a postgresql server running and from time to time it gets
> painfully slow. When this happens i usually connect to the server and
> run a "top" command, the output i get is filled with lines like the
> following
>
> 71872 pgsql            1   4    0 48552K 42836K sbwait   1:41  4.79%
> postgres
>
> Are those connections that were not closed or something like that?

This looks like FreeBSD; "sbwait" state is socket buffer wait, and
guessing from the CPU usage the process seems to be talking to another
process.

> should i worry?

Don't know. Are you sure all client processes disconnect properly from
the database?

pgsql-performance by date:

Previous
From: Tom Lane
Date:
Subject: Re: [PERFORMANCE] Error loading 37G CSV file "invalid string enlargement request size 65536"
Next
From: Ivan Voras
Date:
Subject: Re: CPU bound at 99%