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[HDFS-4576] Webhdfs authentication issues - HDFS - [issue]
...Umbrella jira to track the webhdfs authentication issues as subtasks....
http://issues.apache.org/jira/browse/HDFS-4576    Author: Daryn Sharp, 2014-04-14, 15:09
[HDFS-1751] Intrinsic limits for HDFS files, directories - HDFS - [issue]
...Enforce a configurable limit on:  the length of a path component  the number of names in a directoryThe intention is to prevent a too-long name or a too-full directory. This is not...
http://issues.apache.org/jira/browse/HDFS-1751    Author: Daryn Sharp, 2014-03-12, 21:50
[HDFS-5681] renewLease should not hold fsn write lock - HDFS - [issue]
...Lease renewals unnecessarily hold the write lock which reduces throughput.  Currently the fsn lock doubles as an "operational lock" to prevent state transitions.  If the lease mana...
http://issues.apache.org/jira/browse/HDFS-5681    Author: Daryn Sharp, 2014-02-15, 19:02
[HDFS-5947] Improve dead node detection and handling - HDFS - [issue]
...When HeartbeatManager.heartbeatCheck runs: All DNs are scanned to count dead nodes Processes the first dead node If there was a dead node, loops to re-scan all DNs againProcessing the dead n...
http://issues.apache.org/jira/browse/HDFS-5947    Author: Daryn Sharp, 2014-02-13, 16:12
[HDFS-5875] Add iterator support to INodesInPath - HDFS - [issue]
..."Resolve as you go" inode iteration will help with the implementation of alternative locking schemes.  It will also be the pre-cursor for resolving paths once and only once per operatio...
http://issues.apache.org/jira/browse/HDFS-5875    Author: Daryn Sharp, 2014-02-04, 03:29
[HDFS-5514] FSNamesystem's fsLock should allow custom implementation - HDFS - [issue]
...Changing fsLock from a ReentrantReadWriteLock to an API compatible class that encapsulates the rwLock will allow for more sophisticated locking implementations such as fine grain locking....
http://issues.apache.org/jira/browse/HDFS-5514    Author: Daryn Sharp, 2014-01-28, 23:36
[HDFS-5654] Add lock context support to FSNamesystemLock - HDFS - [issue]
...Supporting new methods of locking the namesystem, ie. coarse or fine-grain, needs an api to manage the locks (or any object conforming to Lock interface) held during access to the namespace....
http://issues.apache.org/jira/browse/HDFS-5654    Author: Daryn Sharp, 2013-12-11, 19:39
[HDFS-5655] Update FSNamesystem path operations to use a lock context - HDFS - [issue]
...Most path based methods should use the FSNamesystem.LockContext introduced by HDFS-5654....
http://issues.apache.org/jira/browse/HDFS-5655    Author: Daryn Sharp, 2013-12-11, 17:09
[HDFS-5293] Symlink resolution requires unnecessary RPCs - HDFS - [issue]
...When the NN encounters a symlink, it throws an UnresolvedLinkException.  This exception contains only the path that is a symlink.  The client issues another RPC to obtain the link ...
http://issues.apache.org/jira/browse/HDFS-5293    Author: Daryn Sharp, 2013-10-07, 23:40
[HDFS-5294] DistributedFileSystem#getFileLinkStatus should not fully qualify the link target - HDFS - [issue]
...The NN returns a FileStatus containing the exact link target as specified by the user at creation.  However, DistributedFileSystem#getFileLinkStatus explicit overwrites the target with ...
http://issues.apache.org/jira/browse/HDFS-5294    Author: Daryn Sharp, 2013-10-07, 15:36
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB