restart Hbase cluster? MIME-Version: 1.0 Content-Type: multipart/alternative; boundary=0015175cb4cee635fe04d348eb19
--0015175cb4cee635fe04d348eb19 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Is that one unassigned task even getting assigned or it errored out and won't even run on retries ? I have seen this happen before when our region server crashed. On restart, there are a few splitlog tasks that never finish and error out. If you check the regionserver where the task should run you will see that it is having trouble acquiring lease on that file. Can you verify that ? Viral From: Ameya Kantikar Sent: 1/14/2013 4:34 PM To: [email protected] Subject: Hbase Takes Long time to Restart - Whats the correct way to restart Hbase cluster? I restarted Hbase master, and its taking long time (at least 30 minutes) to come back. In master-status page I am seeing over 400 regions in transition. In the hbase master log I am seeing following: DEBUG org.apache.hadoop.hbase.master.SplitLogManager: total tasks = 1 unassigned = 1 (This is down from over 50 to 1 as in the log). My setup is as follows: I am running cdh4, hbase 0.92.1. My question is, what is the right way to restart hbase-master machine? All this time master is restarting, my cluster is unavailable. >From hbase shell if I hit any table its giving error such as: INFO ipc.HBaseRPC: Server at hbase1/XX.XX.XX.XX:60020 could not be reached after 1 tries, giving up Any ideas? Ameya --0015175cb4cee635fe04d348eb19--
