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[HDFS-3344] Unreliable corrupt blocks counting in TestProcessCorruptBlocks - HDFS - [issue]
...It failed in build #2356:java.lang.AssertionError: expected:<0> but was:<1> at org.junit.Assert.fail(Assert.java:91) at org.junit.Assert.failNotEquals(Assert.java:645) at org.jun...
http://issues.apache.org/jira/browse/HDFS-3344    Author: Tsz Wo, 2013-04-26, 03:14
[HDFS-3394] Do not use generic in INodeFile.getLastBlock() - HDFS - [issue]
...As shown in HDFS-3385, the ClassCastException check in INodeFile.getLastBlock() is useless since generic type information is only available in compile-time but not run-time....
http://issues.apache.org/jira/browse/HDFS-3394    Author: Tsz Wo, 2013-04-25, 00:21
[HDFS-4708] Add snapshot user guide - HDFS - [issue]
...The guide should include the snapshot semantic, snapshot API and snapshot commands....
http://issues.apache.org/jira/browse/HDFS-4708    Author: Tsz Wo, 2013-04-25, 00:12
[HDFS-4346] Refactor INodeId and GenerationStamp - HDFS - [issue]
...The INodeId and GenerationStamp classes are very similar.  It is better to refactor them for code sharing....
http://issues.apache.org/jira/browse/HDFS-4346    Author: Tsz Wo, 2013-04-24, 19:59
[HDFS-4209] Clean up the addNode/addChild/addChildNoQuotaCheck methods in FSDirectory - HDFS - [issue]
...Returning the same INode back is not useful.  It is better to simply return a boolean to indicate whether the inode is added. The value of childDiskspace parameter is always UNKNOWN_DIS...
http://issues.apache.org/jira/browse/HDFS-4209    Author: Tsz Wo, 2013-04-24, 19:16
[HDFS-4151] Passing INodesInPath instead of INode[] in FSDirectory - HDFS - [issue]
...Currently, many methods in FSDirectory pass INode[] as a parameter.  It is better to pass INodesInPath so that we can add more path information later on.  This is especially useful...
http://issues.apache.org/jira/browse/HDFS-4151    Author: Tsz Wo, 2013-04-24, 19:02
[HDFS-4215] Improvements on INode and image loading - HDFS - [issue]
...There are multiple places checking whether an inode is file by checking !isDirectory() && !isSymlink().  Let's add isFile() to INode. When adding child node to parent in image l...
http://issues.apache.org/jira/browse/HDFS-4215    Author: Tsz Wo, 2013-04-24, 17:47
[HDFS-4206] Change the fields in INode and its subclasses to private - HDFS - [issue]
...The fields in INode and its subclasses are sometimes directly accessed and modified by other code.  It is better to change them to private and use getters/setters....
http://issues.apache.org/jira/browse/HDFS-4206    Author: Tsz Wo, 2013-04-24, 17:39
[HDFS-4152] Add a new class for the parameter in INode.collectSubtreeBlocksAndClear(..) - HDFS - [issue]
...INode.collectSubtreeBlocksAndClear(..) currently uses a list to collect blocks for deletion.  It cannot be extended to support other operation like updating the block-map.  We prop...
http://issues.apache.org/jira/browse/HDFS-4152    Author: Tsz Wo, 2013-04-24, 17:23
[HDFS-4129] Add utility methods to dump NameNode in memory tree for testing - HDFS - [issue]
...The output of the utility methods looks like below.\- foo   (INodeDirectory)  \- sub1   (INodeDirectory)    +- file1   (INodeFile)    +...
http://issues.apache.org/jira/browse/HDFS-4129    Author: Tsz Wo, 2013-04-24, 15:28
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