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[HDFS-5480] Update Balancer for HDFS-2832 - HDFS - [issue]
...Block location type is changed from datanode to datanode storage.  Balancer needs to handle it....
http://issues.apache.org/jira/browse/HDFS-5480    Author: Tsz Wo, 2013-11-10, 21:00
[HDFS-5472] Fix TestDatanodeManager, TestSafeMode and TestNNThroughputBenchmark - HDFS - [issue]
...DatanodeDescriptor should be initialized with updateHeartbeat for updating the timestamps. NNThroughputBenchmark should create DatanodeRegistrations with real datanode UUIDs....
http://issues.apache.org/jira/browse/HDFS-5472    Author: Tsz Wo, 2013-11-07, 18:00
[HDFS-5466] Update storage IDs when the pipeline is updated - HDFS - [issue]
...In DFSOutputStream, when the nodes in the pipeline is updated, we should also update the storage IDs.  Otherwise, the node list and the storage ID list are mismatched....
http://issues.apache.org/jira/browse/HDFS-5466    Author: Tsz Wo, 2013-11-06, 00:25
[HDFS-5457] Fix TestDatanodeRegistration, TestFsck and TestAddBlockRetry - HDFS - [issue]
...TestDatanodeRegistration: IndexOutOfBoundsException TestFsck: NullPointerException TestAddBlockRetry: ClassCastException...
http://issues.apache.org/jira/browse/HDFS-5457    Author: Tsz Wo, 2013-11-04, 22:49
[HDFS-5452] Fix TestReplicationPolicy and TestBlocksScheduledCounter - HDFS - [issue]
...TestReplicationPolicy: the log level checking is incorrect.TestBlocksScheduledCounter: HDFS-5222, which moved block schedule information from DatanodeDescriptor to DatanodeStorageInfo, is in...
http://issues.apache.org/jira/browse/HDFS-5452    Author: Tsz Wo, 2013-11-03, 21:07
[HDFS-5222] Move block schedule information from DatanodeDescriptor to DatanodeStorageInfo - HDFS - [issue]
...In HDFS-4990, the block placement target type was changed from DatanodeDescriptor to DatanodeStorageInfo.  The block schedule information, such as the number of blocks scheduled for rep...
http://issues.apache.org/jira/browse/HDFS-5222    Author: Tsz Wo, 2013-11-02, 05:02
[HDFS-5417] Fix storage IDs in PBHelper and UpgradeUtilities - HDFS - [issue]
...PBHelper should check null for storage IDs when converting LocatedBlock. UpgradeUtilities should createStorageID in createDataNodeVersionFile(..)....
http://issues.apache.org/jira/browse/HDFS-5417    Author: Tsz Wo, 2013-10-25, 18:24
[HDFS-3846] Namenode deadlock in branch-1 - HDFS - [issue]
...Jitendra found out the following problem:1. Handler : Acquires namesystem lock waits on SafemodeInfo lock at SafeModeInfo.isOn()2. SafemodeMonitor : Calls SafeModeInfo.canLeave() which is sy...
http://issues.apache.org/jira/browse/HDFS-3846    Author: Tsz Wo, 2013-10-16, 10:45
[HDFS-5338] Add a conf to disable hostname check in DN registration - HDFS - [issue]
...During DN registration, if the ip and the hostname in the DN InetAddress are the same (i.e. reverse name lookup falied; see the javadoc), the DN will be disallowed to register, where the DN ...
http://issues.apache.org/jira/browse/HDFS-5338    Author: Tsz Wo, 2013-10-15, 19:27
[HDFS-4797] BlockScanInfo does not override equals(..) and hashCode() consistently - HDFS - [issue]
...In the code below, equals(..) compares lastScanTime but hashCode() is computed using block ID.  Therefore, it could have two BlockScanInfo objects which are equal but have two different...
http://issues.apache.org/jira/browse/HDFS-4797    Author: Tsz Wo, 2013-09-27, 21:46
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