mr19 <marc_rossi@xxxxxxxxx> writes: > I have a process that updates ~ 1500 rows in a table once a second. Every 5 > minutes (almost exactly) the update takes ~ 15 seconds (normally < 1). Checkpoints? > I have run htop/top on the machine during this time period and do not see > anything unusual. Try watching "vmstat 1" --- your machine is probably I/O bound not CPU bound. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to majordomo@xxxxxxxxxxxxxx so that your message can get through to the mailing list cleanly