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[HDFS-9411] HDFS NodeLabel support
...HDFS currently stores data blocks on different datanodes chosen by BlockPlacement Policy. These datanodes are random within the scope(local-rack/different-rack/nodegroup) of network topology...
, 2016-06-23, 22:05
[HDFS-10570] Netty-all jar should be first in class path while running tests in eclipse
...While debugging tests in eclipse, Cannot access DN http url. Also WebHdfs tests cannot run in eclipse due to classes loading from old version of netty jars instead of netty-all jar....
, 2016-06-23, 16:59
[HDFS-10256] Use GenericTestUtils.getTestDir method in tests for temporary directories
, 2016-06-22, 15:23
[HDFS-10384] MiniDFSCluster doesnt support multiple HTTPS server instances
...MiniDFSCluster doesnot support Multiple instances of HTTPS servers. Because it will not use the ephemeral port for HTTPS addresses of NameNode and DataNode. So second instance will get PortA...
, 2016-05-24, 14:44
[HDFS-5113] Implement POST method to upload the checkpoint
...We have seen many issues related to Checkpoint upload. Currently upload happens with 2 GET requests.One limitation here is, both checkpointer and the target should have the http server runni...
, 2016-05-12, 18:19
[HDFS-10273] Remove duplicate logSync() and log message in FSN#enterSafemode()
...Remove duplicate logSync() and log message in FSN#enterSafemode()FSN#enterSafemode(..) // Before Editlog is in OpenForWrite mode, editLogStream will be null. So, &n...
, 2016-04-12, 18:15
[HDFS-10274] Move NameSystem#isInStartupSafeMode() to BlockManagerSafeMode
...To reduce the number of methods in Namesystem interface and for clean looking refactor, its better to move isInStartupSafeMode() to BlockManager and BlockManagerSafeMode, as most of the call...
, 2016-04-09, 09:48
[HDFS-9952] Expose FSNamesystem lock wait time as metrics
...Expose FSNameSystem's readlock() and writeLock() wait time as metrics....
, 2016-03-31, 05:08
[HDFS-8976] Create HTML5 cluster webconsole for federated cluster
...Since the old jsp variant of cluster web console is no longer present from 2.7 onwards, there is a need for HTML 5 web console for overview of overall cluster.2.7.1 docs says to check webcon...
, 2016-03-30, 08:17
[HDFS-5177] blocksScheduled count should be decremented for abandoned blocks
...DatanodeDescriptor#incBlocksScheduled() will be called for all datanodes of the block on each allocation. But same should be decremented for abandoned blocks.When one of the datanodes is dow...
, 2016-03-30, 06:54
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