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From T Vinod Gupta <tvi...@readypulse.com>
Subject unable to add a region server to my cluster
Date Mon, 22 Dec 2014 10:31:21 GMT
hi, im trying to add a region server to my hbase cluster and im facing some
problems.. im running a old hbase version - 0.90.3..

this is what happens -
1) on the new region server, i see these warnings 1st.
2014-12-22 10:11:52,350 WARN org.apache.hadoop.hbase.regionserver.wal.HLog:
Too many consecutive RollWriter requests, it's a sign of the total number
of live datanodes is lower than the tolerable replicas.

2) i tried to stop the working region server to see what happens.. and this
is what i see in the new region server -
2014-12-22 10:15:34,361 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign:
regionserver:60020-0x14a1d509b8300b2 Attempting to transition node
2014-12-22 10:15:34,363 WARN org.apache.hadoop.hbase.zookeeper.ZKAssign:
regionserver:60020-0x14a1d509b8300b2 Attempt to transition the unassigned
node for 70236052 from M_ZK_REGION_OFFLINE to RS_ZK_REGION_OPENING failed,
the node existed but was in the state C_M_MODIFY_FAMILY set by the server
2014-12-22 10:15:34,363 WARN
org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler: Failed
transition from OFFLINE to OPENING for region=70236052
2014-12-22 10:15:34,363 WARN
org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler: Region was
hijacked? It no longer exists, encodedName=70236052

am i missing something here?


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