Re: BUG #9635: Wal sender process is using 100% CPU - Mailing list pgsql-bugs

From Andres Freund
Subject Re: BUG #9635: Wal sender process is using 100% CPU
Date
Msg-id 20140506224139.GD24808@awork2.anarazel.de
Whole thread Raw
In response to BUG #9635: Wal sender process is using 100% CPU  (jkoceniak@mediamath.com)
Responses Re: BUG #9635: Wal sender process is using 100% CPU  (Jamie Koceniak <jkoceniak@mediamath.com>)
List pgsql-bugs
Hi,

On 2014-03-19 17:13:56 +0000, jkoceniak@mediamath.com wrote:
> Periodically throughout the day, we keep seeing the wal sender process
> utilize 100% of the CPU. We began noticing this after we added 2 new slave
> servers, going from 2 to 4 slaves. See top results and I also included our
> wal settings. Thanks!

A typical reason for this is that the standbys are connecting over
ssl. Is that the case? If so, intentionally?

Greetings,

Andres Freund

--
 Andres Freund                       http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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