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.
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.Blackwell@rrd.com http://www.rrdonnelley.com