Colin Patrick McCabe
Tsz Wo Nicholas Sze
Aaron T. Myers
Brahma Reddy Battula
Uma Maheswara Rao G
Rushabh S Shah
Surendra Singh Lilhore
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[HDFS-5008] Make ClientProtocol#abandonBlock() idempotent
...Currently when abandonBlock is called, if the block does not exist, then the namenode throws an exception. I propose making it idempotent, by returning success if the block that is being aba...
, 2013-07-22, 19:31
[HDFS-4912] Cleanup FSNamesystem#startFileInternal
...FSNamesystem#startFileInternal is used by both create and append. This results in ugly if else conditions to consider append/create scenarios. This method can be refactored and the code can ...
, 2013-07-13, 15:08
[HDFS-4249] Add status NameNode startup to webUI
...Currently NameNode WebUI server starts only after the fsimage is loaded, edits are applied and checkpoint is complete. Any status related to namenode startin up is available only in the logs...
, 2013-07-12, 06:23
[HDFS-4465] Optimize datanode ReplicasMap and ReplicaInfo
...In Hadoop a lot of optimization has been done in namenode data structures to be memory efficient. Similar optimizations are necessary for Datanode process. With the growth in storage per dat...
, 2013-07-11, 23:12
[HDFS-3182] Add class to manage JournalList
...See the comment for details of the JournalList ZooKeeper znode....
, 2013-07-08, 18:23
[HDFS-4904] Remove JournalService
...JournalService class was added in HDFS-3099. Since it was not used in HDFS-3077, which has JournalNodeRpcServer instead, I propose deleting this dead code....
, 2013-06-15, 15:07
[HDFS-3125] Add a service that enables JournalDaemon
...In this subtask, I plan to add JournalService. It will provide the following functionality: Starts RPC server with JournalProtocolService or uses the RPC server provided and add JournalProto...
, 2013-06-14, 19:43
[HDFS-2857] Cleanup BlockInfo class
...Following are some of the cleanup required: Remove unnecessary methods Add interface annotation Make some of the method private...
, 2013-06-14, 00:13
[HDFS-4893] Report number of readers and writes from Datanode to Namenode
...Currently datanode reports combined number of readers and writers as transceiver count to the namenode in heartbeats. This jira proposes reporting number of readers and writers as separate f...
, 2013-06-06, 22:51
[HDFS-4808] Limit snapshot related methods to DistributedFileSystem
...HDFS-2802 introduces snapshots related methods into FileSystem. This jira is for discussing whether these snapshots related methods are needed in FileSystem or should be limited to only Dist...
, 2013-05-10, 23:19
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