On Wed, 20 Jun 2012, Travis Rhoden wrote: > Is there a way I can monitor the utilization of the OSD journal? I > would like to know if data is coming in fast enough to fill the > journal, and thus slow down all the subsequent writes. > > Once the journal is full, that becomes the bottleneck for writes, no? > (assuming that writes to the journal are faster than the OSD -- such > as with tmpfs or an SSD. I'm using tmpfs). Not yet. It should be instrumented with PerfCounters similar to the other components, but that hasn't happened yet. Opening http://tracker.newdream.net/issues/2619 sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html