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[HDFS-4694] The SecondaryNameNode may change the inode id of root while doing checkpoint - HDFS - [issue]
...SNN will call FSNamesystem#clear while merging the fsimage to its local FSNamesystem, and the FSDirectory will be reset in this process. However, in FSDirectory#reset, a new inode id will be...
http://issues.apache.org/jira/browse/HDFS-4694    Author: Jing Zhao, 2013-04-15, 22:09
[HDFS-4675] Fix rename across snapshottable directories - HDFS - [issue]
...For rename across snapshottable directories, suppose there are two snapshottable directories: /user1 and /user2 and we have the following steps:1. Take snapshot s1 on /user1 at time t1.2. Ta...
http://issues.apache.org/jira/browse/HDFS-4675    Author: Jing Zhao, 2013-04-13, 14:44
[HDFS-4637] INodeDirectory#replaceSelf4Quota may convert a newly created directory (which is not included in the latest snapshot) to an INodeDirectoryWithSnapshot - HDFS - [issue]
...In INodeDirectory#replaceSelf4Quota, we convert the target node to INodeDirectoryWithSnapshot when the latest snapshot is not null. This may convert a directory, which was created after taki...
http://issues.apache.org/jira/browse/HDFS-4637    Author: Jing Zhao, 2013-04-01, 02:53
[HDFS-4648] For snapshot deletion, when merging the diff from to-delete snapshot to the prior snapshot, make sure files/directories created after the prior snapshot get deleted - HDFS - [issue]
...When the following steps happen:1. Take snapshot s1 on dir.2. Create new dir and files under subDir, which is descendant of dir.3. Take snapshot s2 on dir.4. Delete subDir.5. Delete snapshot...
http://issues.apache.org/jira/browse/HDFS-4648    Author: Jing Zhao, 2013-03-31, 14:43
[HDFS-4636] Update quota usage when deleting files/dirs that were created after taking the latest snapshot - HDFS - [issue]
...This jira aims to fix two bugs in deleting files with snapshot:1. We should update the quota usage when the file/dir to be deleted is not included in the latest snapshot (i.e., the to-be-del...
http://issues.apache.org/jira/browse/HDFS-4636    Author: Jing Zhao, 2013-03-29, 13:14
[HDFS-4627] Fix FSImageFormat#Loader NPE and synchronization issues - HDFS - [issue]
...1. Currently FSImageFormat#Loader#loadFilesUnderConstruction calls FSDirectory#unprotectedReplaceINodeFile without acquiring FSDirectory's lock. FSDirectory#replaceINodeFile should be called...
http://issues.apache.org/jira/browse/HDFS-4627    Author: Jing Zhao, 2013-03-25, 13:25
[HDFS-4616] Update the FilesDeleted metric while deleting file/dir in the current tree - HDFS - [issue]
...Currently in INode#cleanSubtree(...) we only calculate the namespace/diskspace change when deleting snapshots. We also need to compute the space change when deleting files/directories in the...
http://issues.apache.org/jira/browse/HDFS-4616    Author: Jing Zhao, 2013-03-22, 13:42
[HDFS-4144] Create test for all snapshot-related metrics - HDFS - [issue]
...Add testcases for all snapshot-related metrics....
http://issues.apache.org/jira/browse/HDFS-4144    Author: Jing Zhao, 2013-03-13, 13:43
[HDFS-4563] Update namespace/diskspace after deleting snapshots - HDFS - [issue]
...1. Update namespace/diskspace after deleting snapshots2. Compute quota usage when an INodeDirectoryWithSnapshot is first assigned with quota3. Add more unit tests covering quota usage comput...
http://issues.apache.org/jira/browse/HDFS-4563    Author: Jing Zhao, 2013-03-12, 13:14
[HDFS-4557] Fix FSDirectory#delete when INode#cleanSubtree returns 0 - HDFS - [issue]
...Currently INode#cleanSubtree is used to delete files/directories and collect corresponding blocks for future deletion. Its return value can be 0 even if file/dir has been deleted because we ...
http://issues.apache.org/jira/browse/HDFS-4557    Author: Jing Zhao, 2013-03-08, 13:14
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