Can you give a bit more information: which filesystem you use which hbase release you use master log snippet for the long region assignment
Thanks On Tue, Aug 25, 2015 at 9:30 AM, donmai <[email protected]> wrote: > Hi, > > I'm curious about how exactly region movement works with regard to data > transfer. To my understanding from the docs given an HDFS-backed cluster, a > region movement / transition involves changing things in meta only, all > data movement for locality is handled by HDFS. In the case where rootdir is > a shared file system, there shouldn't be any data movement with a region > reassignment, correct? I'm running into performance issues where region > assignment takes a very long time and I'm trying to figure out why. > > Thanks! >
