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[HDFS-5796] The file system browser in the namenode UI requires SPNEGO. - HDFS - [issue]
...After HDFS-5382, the browser makes webhdfs REST calls directly, requiring SPNEGO to work between user's browser and namenode.  This won't work if the cluster's security infrastructure i...
http://issues.apache.org/jira/browse/HDFS-5796    Author: Kihwal Lee, 2014-03-06, 15:09
Re: [VOTE] Merge HDFS-5535 Rolling Upgrade Improvement - HDFS - [mail # dev]
...+1 ...
   Author: Kihwal Lee, 2014-02-28, 03:03
[HDFS-6020] Fix the five findbugs warnings - HDFS - [issue]
...The latest build of the HDFS-5535 branch (rolling upgrades) shows five new findbugs warnings....
http://issues.apache.org/jira/browse/HDFS-6020    Author: Kihwal Lee, 2014-02-27, 00:57
[HDFS-5924] Utilize OOB upgrade message processing for writes - HDFS - [issue]
...After HDFS-5585 and HDFS-5583, clients and datanodes can coordinate shutdown-restart in order to minimize failures or locality loss.In this jira, HDFS client is made aware of the restart OOB...
http://issues.apache.org/jira/browse/HDFS-5924    Author: Kihwal Lee, 2014-02-25, 19:29
[HDFS-5498] Improve datanode startup time - HDFS - [issue]
...Similarly to HDFS-5027, an improvement  can be made for getVomeMap(). This is the phase in which ReplicaMap.is populated.  But it will be even better if datanode scans only once an...
http://issues.apache.org/jira/browse/HDFS-5498    Author: Kihwal Lee, 2014-02-25, 19:29
[HDFS-6014] Fix findbug warnings introduced by HDFS-5583 - HDFS - [issue]
...Two findbug warning have been generated by HDFS-5583....
http://issues.apache.org/jira/browse/HDFS-6014    Author: Kihwal Lee, 2014-02-25, 18:52
[HDFS-6015] Fix TestBlockRecovery#testRaceBetweenReplicaRecoveryAndFinalizeBlock - HDFS - [issue]
...After HDFS-5583, TestBlockRecovery.testRaceBetweenReplicaRecoveryAndFinalizeBlock started failing. It seems HDFS-5583 exposed a bug.When a receiver thread is interrupted, it is supposed to i...
http://issues.apache.org/jira/browse/HDFS-6015    Author: Kihwal Lee, 2014-02-25, 18:51
[HDFS-5073] TestListCorruptFileBlocks fails intermittently - HDFS - [issue]
...Sometimes the test case fails while removing finalized block files. It seems to fail if BlockPoolSliceScanner happens to run while deleting....
http://issues.apache.org/jira/browse/HDFS-5073    Author: Kihwal Lee, 2014-02-24, 20:58
[HDFS-5585] Provide admin commands for data node upgrade - HDFS - [issue]
...Several new methods to ClientDatanodeProtocol may need to be added to support querying version, initiating upgrade, etc.  The admin CLI needs to be added as well. This primary use case ...
http://issues.apache.org/jira/browse/HDFS-5585    Author: Kihwal Lee, 2014-02-21, 20:52
[HDFS-5496] Make replication queue initialization asynchronous - HDFS - [issue]
...Today, initialization of replication queues blocks safe mode exit and certain HA state transitions. For a big name space, this can take hundreds of seconds with the FSNamesystem write lock h...
http://issues.apache.org/jira/browse/HDFS-5496    Author: Kihwal Lee, 2014-02-21, 04:51
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