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[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
[HDFS-5228] The RemoteIterator returned by DistributedFileSystem.listFiles(..) may throw NPE - HDFS - [issue]
...Get a RemoteIterator from DistributedFileSystem.listFiles(..) with a relative path.  Then, it will result a NullPointerException when calling hasNext() from the RemoteIterator.This bug ...
http://issues.apache.org/jira/browse/HDFS-5228    Author: Tsz Wo, 2013-09-24, 23:36
[HDFS-5188] Clean up BlockPlacementPolicy and its implementations - HDFS - [issue]
...Below is a list of code cleanup tasks for BlockPlacementPolicy and its implementations: Define constants for dfs.block.replicator.classname. Combine adjustExcludedNodes and addToExcludedNode...
http://issues.apache.org/jira/browse/HDFS-5188    Author: Tsz Wo, 2013-09-16, 05:26
[HDFS-570] When opening a file for read, make the file length avaliable to client. - HDFS - [issue]
...In order to support read consistency, DFSClient needs the file length at the file opening time.  In the current implmentation, DFSClient obtains the file length at the file opening time...
http://issues.apache.org/jira/browse/HDFS-570    Author: Tsz Wo, 2013-08-14, 05:44
[HDFS-2887] Define a FSVolume interface - HDFS - [issue]
...FSVolume is an inner class in FSDataset.  It is actually a part of the implementation of FSDatasetInterface.  It is better to define a new interface, namely FSVolumeInterface, to c...
http://issues.apache.org/jira/browse/HDFS-2887    Author: Tsz Wo, 2013-08-14, 05:08
[HDFS-5017] Extends LightWeightGSet to support eviction of expired elements - HDFS - [issue]
...We extends LightWeightGSet to support eviction of expired elements so that namenode could use it as the RetryCache....
http://issues.apache.org/jira/browse/HDFS-5017    Author: Tsz Wo, 2013-07-23, 00:47
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