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[HDFS-5128] Allow multiple net interfaces to be used with HA namenode RPC server - HDFS - [issue]
...With the new RPCv9, NN RPC server can be bound to multiple IP addresses and serve clients connecting to different addressed using the same SPN. But the only way to have NN bind to multiple a...
http://issues.apache.org/jira/browse/HDFS-5128    Author: Kihwal Lee, 2014-09-04, 00:49
[HDFS-5150] Allow per NN SPN for internal SPNEGO. - HDFS - [issue]
...For more flexible configuration of HA, the SPN for NN's internal SPNEGO needs to be per-nn. Currently the config should contain "_HOST" or configured differently per node.This change should ...
http://issues.apache.org/jira/browse/HDFS-5150    Author: Kihwal Lee, 2014-09-04, 00:49
[HDFS-4995] Make getContentSummary() less expensive - HDFS - [issue]
...When users call du or count DFS command, getContentSummary() method is called against namenode. If the directory has many directories and files, it could hold the namesystem lock for a long ...
http://issues.apache.org/jira/browse/HDFS-4995    Author: Kihwal Lee, 2014-09-04, 00:41
[HDFS-4994] Audit log getContentSummary() calls - HDFS - [issue]
...Currently there getContentSummary() calls are not logged anywhere. It should be logged in the audit log....
http://issues.apache.org/jira/browse/HDFS-4994    Author: Kihwal Lee, 2014-09-04, 00:41
[HDFS-5438] Flaws in block report processing can cause data loss - HDFS - [issue]
...The incremental block reports from data nodes and block commits are asynchronous. This becomes troublesome when the gen stamp for a block is changed during a write pipeline recovery. If an i...
http://issues.apache.org/jira/browse/HDFS-5438    Author: Kihwal Lee, 2014-09-04, 00:41
[HDFS-5346] Avoid unnecessary call to getNumLiveDataNodes() for each block during IBR processing - HDFS - [issue]
...When initial block reports are being processed, checkMode() is called from incrementSafeBlockCount(). This causes the replication queues to be initialized in the middle of processing a block...
http://issues.apache.org/jira/browse/HDFS-5346    Author: Kihwal Lee, 2014-09-04, 00:41
[HDFS-5558] LeaseManager monitor thread can crash if the last block is complete but another block is not. - HDFS - [issue]
...As mentioned in HDFS-5557, if a file has its last and penultimate block not completed and the file is being closed, the last block may be completed but the penultimate one might not. If this...
http://issues.apache.org/jira/browse/HDFS-5558    Author: Kihwal Lee, 2014-09-04, 00:41
[HDFS-5557] Write pipeline recovery for the last packet in the block may cause rejection of valid replicas - HDFS - [issue]
...When a block is reported from a data node while the block is under construction (i.e. not committed or completed), BlockManager calls BlockInfoUnderConstruction.addReplicaIfNotPresent() to u...
http://issues.apache.org/jira/browse/HDFS-5557    Author: Kihwal Lee, 2014-09-04, 00:41
[HDFS-5071] Change hdfs-nfs parent project to hadoop-project - HDFS - [issue]
...https://builds.apache.org/job/Hadoop-Hdfs-trunk/HDFS trunk build has been failing for a while due to failures in HDFS-NFS....
http://issues.apache.org/jira/browse/HDFS-5071    Author: Kihwal Lee, 2014-09-04, 00:36
[HDFS-4186] logSync() is called with the write lock held while releasing lease - HDFS - [issue]
...As pointed out in HDFS-4138, when the lease monitor calls internalReleaseLease(), it acquires the namespace write lock. Inside internalReleaseLease(), if a block recovery is needed, the leas...
http://issues.apache.org/jira/browse/HDFS-4186    Author: Kihwal Lee, 2014-09-04, 00:22
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