Thanks for your reply. Adding '-c fast' does seem to improve the initial delay. I'm still seeing delays of several minutes between write bursts. The server has light OLTP loading.
__________________________________________________________________________________ *Mike Blackwell | Technical Analyst, Distribution Services/Rollout Management | RR Donnelley* 1750 Wallace Ave | St Charles, IL 60174-3401 Office: 630.313.7818 mike.blackw...@rrd.com http://www.rrdonnelley.com <http://www.rrdonnelley.com/> * <mike.blackw...@rrd.com>* On Mon, Oct 6, 2014 at 9:59 PM, Jov <am...@amutu.com> wrote: > what is the cmd？the default checkpoint method is spread,so pg_basebackup > will wait the checkpoint complete on the master.you can set the checkpoint > method to fast to avoid the waiting. > 2014年10月7日 2:54 AM于 "Mike Blackwell" <mike.blackw...@rrd.com>写道： > > 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.blackw...@rrd.com >> http://www.rrdonnelley.com >> >> >> <http://www.rrdonnelley.com/> >> * <mike.blackw...@rrd.com>* >> >
