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[HDFS-4102] Test replication with snapshots - HDFS - [issue]
...Replication becomes more tricky with snapshots since the original file and snapshot files could possibly be set to different replication while the blocks are share among those files.  T...
http://issues.apache.org/jira/browse/HDFS-4102    Author: Tsz Wo, 2012-11-14, 02:57
[HDFS-1865] Share LeaseChecker thread among DFSClients - HDFS - [issue]
...Each DFSClient runs a LeaseChecker thread within a JVM.  The number threads could be reduced by sharing the threads....
http://issues.apache.org/jira/browse/HDFS-1865    Author: Tsz Wo, 2012-11-07, 23:53
[HDFS-4149] Complete the code for disallowSnapshot - HDFS - [issue]
...Implement the disallowSnapshot(..) in FSNamesystem and add a resetSnapshottable(..) to SnapshotManager....
http://issues.apache.org/jira/browse/HDFS-4149    Author: Tsz Wo, 2012-11-05, 00:41
[HDFS-4146] Further work on changing INodeFile.blocks to private in Snapshot branch - HDFS - [issue]
...There was a conflict in INodeFile when merging HDFS-4143 so that I keep INodeFile.blocks as protected.  Otherwise, some code cannot be compiled.  It needs some more works....
http://issues.apache.org/jira/browse/HDFS-4146    Author: Tsz Wo, 2012-11-04, 22:00
[HDFS-4143] Change INodeFile.blocks to private - HDFS - [issue]
...INodeFile.blocks is currently package private.  It is accessed directly in quite many case.  It is better to change it to package private and access via setter and getter methods....
http://issues.apache.org/jira/browse/HDFS-4143    Author: Tsz Wo, 2012-11-03, 13:21
[HDFS-4141] Directory diff in snapshots - HDFS - [issue]
...With snapshots, the same directory could have different states, e.g. different sets of children, in different snapshots.  We implement a directory diff algorithm in this JIRA....
http://issues.apache.org/jira/browse/HDFS-4141    Author: Tsz Wo, 2012-11-03, 01:33
[HDFS-724] Pipeline close hangs if one of the datanode is not responsive. - HDFS - [issue]
...In the new pipeline design, pipeline close is implemented by sending an additional empty packet.  If one of the datanode does not response to this empty packet, the pipeline hangs. &nbs...
http://issues.apache.org/jira/browse/HDFS-724    Author: Tsz Wo, 2012-11-03, 00:16
[HDFS-4116] Add audit log for snapshot operations - HDFS - [issue]
...The new snapshot operations below should be included in audit log. allow snapshot disallow snapshot create snapshot...
http://issues.apache.org/jira/browse/HDFS-4116    Author: Tsz Wo, 2012-11-02, 02:27
[HDFS-4118] Change INodeDirectory.getExistingPathINodes(..) to work with snapshots - HDFS - [issue]
...int getExistingPathINodes(byte[][] components, INode[] existing, boolean resolveLink)The INodeDirectory above retrieves existing INodes from the given path components.  It needs to be u...
http://issues.apache.org/jira/browse/HDFS-4118    Author: Tsz Wo, 2012-10-31, 03:14
[HDFS-4111] Support snapshot of subtrees - HDFS - [issue]
...HDFS-4076 add the ability to take snapshot of single files.  In this JIRA, we add the ability to take snapshot of subtree trees in the namesystem....
http://issues.apache.org/jira/browse/HDFS-4111    Author: Tsz Wo, 2012-10-29, 01:59
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