On Sep 21, 2011, at 1:51 PM, Bogdan Ghidireac wrote: >> HBase and HDFS are not made to span datacenters. > > Yes, I know. I think the correct terminology is 3 availability zones > within the same region (ping between them is about 1ms)
[snip] >> >> Is my assumption correct? Should I open a JIRA? >> > > You could paste the thread dump but before doing anything, I'd suggest > you change your layout so cluster runs inside a single datacenter. > > St.Ack Echoing St.ack's advice, but not wanting to sound like I'm scolding, you really should consider moving your AMIs into a single Availability Zone. EC2 puts up some impressive availability numbers as a platform, but when you stack several layers of software onto it, you start to push the limits of the availability zone SLA, and certainly the availability requirements of the NameNode. --Dan -- Daniel Washburn Systems Engineer Explorys, Inc. [email protected]
