Zhou wenjian created HBASE-6625:
-----------------------------------
Summary: If we have hundreds of thousands of regions getChildren
will encouter zk exception
Key: HBASE-6625
URL: https://issues.apache.org/jira/browse/HBASE-6625
Project: HBase
Issue Type: Bug
Reporter: Zhou wenjian
Assignee: Zhou wenjian
2012-05-13 19:37:37,528 DEBUG
org.apache.hadoop.hbase.master.AssignmentManager$ExistsUnassignedAsyncCallback:
rs=CreateNewTableWith100000Regions,\x05\xB3\x06
g\xE8r\xBB]\x09\xCF,1336724029944.079cb2f8a375e66fa089291b82f2a03f.
state=OFFLINE, ts=1336909053108
2012-05-13 19:37:37,528 DEBUG
org.apache.hadoop.hbase.master.AssignmentManager$CreateUnassignedAsyncCallback:
rs=CreateNewTableWith100000Regions,\x08s\x84\x8
8$7\xB1\xC4\xFCg,1336724030660.76c07780231942231013c7feb5e5eb14. state=OFFLINE,
ts=1336909055089, server=dw76.kgb.sqa.cm4,60020,1336908983944
2012-05-13 19:37:37,528 DEBUG
org.apache.hadoop.hbase.master.AssignmentManager$CreateUnassignedAsyncCallback:
rs=CreateNewTableWith100000Regions,\x08s\x89\xC
B\x9B\xF0\xE4\xCA\x97\xB0,1336724030660.fa38b9d8367387a64a327087cb43b3e0.
state=OFFLINE, ts=1336909055089, server=dw76.kgb.sqa.cm4,60020,1336908983944
2012-05-13 19:37:37,528 INFO org.apache.hadoop.hbase.master.AssignmentManager:
dw76.kgb.sqa.cm4,60020,1336908983944 unassigned znodes=58464 of total=120002
2012-05-13 19:37:37,758 WARN org.apache.zookeeper.ClientCnxn: Session
0x13745fc2c8d0001 for server dw51.kgb.sqa.cm4/10.232.98.51:2180, unexpected
error, clos
ing socket connection and attempting reconnect
java.io.IOException: Packet len4320092 is out of range!
at
org.apache.zookeeper.ClientCnxn$SendThread.readLength(ClientCnxn.java:710)
at org.apache.zookeeper.ClientCnxn$SendThread.doIO(ClientCnxn.java:869)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1130)
2012-05-13 19:37:37,860 WARN org.apache.hadoop.hbase.zookeeper.ZKUtil:
master:60000-0x13745fc2c8d0001 Unable to list children of znode
/hbase-new4/unassigned
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode =
ConnectionLoss for /hbase-new4/unassigned
at org.apache.zookeeper.KeeperException.create(KeeperException.java:90)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1243)
at
org.apache.hadoop.hbase.zookeeper.ZKUtil.listChildrenAndWatchForNewChildren(ZKUtil.java:302)
at
org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndGetNewChildren(ZKUtil.java:413)
at
org.apache.hadoop.hbase.master.AssignmentManager.nodeChildrenChanged(AssignmentManager.java:759)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:314)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:506)
2012-05-13 19:37:37,861 ERROR
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher:
master:60000-0x13745fc2c8d0001 Received unexpected KeeperException, re-thro
wing exception
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode =
ConnectionLoss for /hbase-new4/unassigned
at org.apache.zookeeper.KeeperException.create(KeeperException.java:90)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1243)
at
org.apache.hadoop.hbase.zookeeper.ZKUtil.listChildrenAndWatchForNewChildren(ZKUtil.java:302)
at
org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndGetNewChildren(ZKUtil.java:413)
at
org.apache.hadoop.hbase.master.AssignmentManager.nodeChildrenChanged(AssignmentManager.java:759)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:314)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:506)
2012-05-13 19:37:37,861 FATAL org.apache.hadoop.hbase.master.HMaster:
Unexpected ZK exception reading unassigned children
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode =
ConnectionLoss for /hbase-new4/unassigned
at org.apache.zookeeper.KeeperException.create(KeeperException.java:90)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1243)
at
org.apache.hadoop.hbase.zookeeper.ZKUtil.listChildrenAndWatchForNewChildren(ZKUtil.java:302)
at
org.apache.hadoop.hbase.zookeeper.ZKUtil.watchAndGetNewChildren(ZKUtil.java:413)
at
org.apache.hadoop.hbase.master.AssignmentManager.nodeChildrenChanged(AssignmentManager.java:759)
at
org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:314)
at
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530)
at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:506)
2012-05-13 19:37:37,861 INFO org.apache.hadoop.hbase.master.HMaster: Aborting
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