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 1028785192/.META. from M_ZK_REGION_OFFLINE to RS_ZK_REGION_OPENING 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 xxx:60000 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? thanks
