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[HDFS-7304] TestFileCreation#testOverwriteOpenForWrite hangs - HDFS - [issue]
...The test case times out. It has been observed in multiple pre-commit builds....
http://issues.apache.org/jira/browse/HDFS-7304    Author: Kihwal Lee, 2014-10-31, 05:11
[HADOOP-10987] Provide an iterator-based listing API for FileSystem - Hadoop - [issue]
...Iterator based listing methods already exist in FileContext for both simple listing and listing with locations. However, FileSystem lacks the former.  From what I understand, it wasn't ...
http://issues.apache.org/jira/browse/HADOOP-10987    Author: Kihwal Lee, 2014-10-30, 22:07
[HDFS-7300] The getMaxNodesPerRack() method in BlockPlacementPolicyDefault is flawed - HDFS - [issue]
...The getMaxNodesPerRack() can produce an undesirable result in some cases. Three replicas on two racks. The max is 3, so everything can go to one rack. Two replicas on two or more racks. The ...
http://issues.apache.org/jira/browse/HDFS-7300    Author: Kihwal Lee, 2014-10-30, 15:17
[HDFS-7097] Allow block reports to be processed during checkpointing on standby name node - HDFS - [issue]
...On a reasonably busy HDFS cluster, there are stream of creates, causing data nodes to generate incremental block reports.  When a standby name node is checkpointing, RPC handler threads...
http://issues.apache.org/jira/browse/HDFS-7097    Author: Kihwal Lee, 2014-10-29, 20:31
[HDFS-6088] Add configurable maximum block count for datanode - HDFS - [issue]
...Currently datanode resources are protected by the free space check and the balancer.  But datanodes can run out of memory simply storing too many blocks. If the sizes of blocks are smal...
http://issues.apache.org/jira/browse/HDFS-6088    Author: Kihwal Lee, 2014-10-29, 15:09
[HDFS-6663] Admin command to track file and locations from block id - HDFS - [issue]
...A dfsadmin command that allows finding out the file and the locations given a block number will be very useful in debugging production issues.   It may be possible to add this feature t...
http://issues.apache.org/jira/browse/HDFS-6663    Author: Kihwal Lee, 2014-10-29, 14:19
[HDFS-6888] Remove audit logging of getFIleInfo() - HDFS - [issue]
...The audit logging of getFileInfo() was added in HDFS-3733.  Since this is a one of the most called method, users have noticed that audit log is now filled with this.  Since we now ...
http://issues.apache.org/jira/browse/HDFS-6888    Author: Kihwal Lee, 2014-10-23, 01:41
[expand - 1 more] - mapreduce precommit build does not show test results - MapReduce - [mail # dev]
...Ever since build #8430 in 8/29, test results are not showing up.  I see there was build config changes around that time. Anyone with the right permission care to take a look? Thanks,Kihwal&n...
   Author: Kihwal Lee, 2014-09-15, 16:48
[HADOOP-10314] The ls command help still shows outdated 0.16 format. - Hadoop - [issue]
...The description of output format is vastly outdated. It was changed after version 0.16.$ hadoop fs -help ls-ls [-d] [-h] [-R] [<path> ...]: List the contents that match the specified f...
http://issues.apache.org/jira/browse/HADOOP-10314    Author: Kihwal Lee, 2014-09-04, 02:16
[HDFS-5962] Mtime and atime are not persisted for symbolic links - HDFS - [issue]
...In FSImageSerialization, the mtime and atime of symbolic links are hardcoded to be 0 when saving to fsimage, even though they are recorded in memory and shown in the listing until restarting...
http://issues.apache.org/jira/browse/HDFS-5962    Author: Kihwal Lee, 2014-09-04, 02:15
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