pg_basebackup - odd performance

From: Mike Blackwell <mike(dot)blackwell(at)rrd(dot)com>
To: "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: pg_basebackup - odd performance
Date: 2014-10-06 18:53:24
Message-ID: CANPAkgtRQBPUDgLtVUQVUOHRNyTj_z1asovsaGf1AQHYSrP6zA@mail.gmail.com
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I'm seeing some strange behavior running pg_basebackup on 9.3.5. It
appears that there are long pauses - up to a couple of minutes - between
relatively short bursts of disk activity.

I'm not noticing any lock requests outstanding. What might I be missing?

__________________________________________________________________________________
*Mike Blackwell | Technical Analyst, Distribution Services/Rollout
Management | RR Donnelley*
1750 Wallace Ave | St Charles, IL 60174-3401
Office: 630.313.7818
Mike(dot)Blackwell(at)rrd(dot)com
http://www.rrdonnelley.com

<http://www.rrdonnelley.com/>
* <Mike(dot)Blackwell(at)rrd(dot)com>*

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