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[HDFS-5810] Unify mmap cache and short-circuit file descriptor cache - HDFS - [issue]
...We should unify the client mmap cache and the client file descriptor cache.  Since mmaps are granted corresponding to file descriptors in the cache (currently FileInputStreamCache), the...
http://issues.apache.org/jira/browse/HDFS-5810    Author: Colin Patrick McCabe, 2014-04-03, 22:43
[HDFS-5865] Update OfflineImageViewer document - HDFS - [issue]
...OfflineImageViewer is renewed to handle the new format of fsimage by HDFS-5698 (fsimage in protobuf).We should document followings: The tool can handle the layout version of Hadoop 2.4 and u...
http://issues.apache.org/jira/browse/HDFS-5865    Author: Akira AJISAKA, 2014-04-03, 16:11
[HDFS-5570] Deprecate hftp / hsftp and replace them with webhdfs / swebhdfs - HDFS - [issue]
...Currently hftp / hsftp only provide a strict subset of functionality that webhdfs / swebhdfs offer. Notably, hftp / hsftp do not support writes and HA namenodes. Maintaining two piece of cod...
http://issues.apache.org/jira/browse/HDFS-5570    Author: Haohui Mai, 2014-04-03, 14:58
[HDFS-5168] BlockPlacementPolicy does not work for cross node group dependencies - HDFS - [issue]
...Block placement policies do not work for cross rack/node group dependencies. In reality this is needed when compute servers and storage fall in two independent fault domains, then both Block...
http://issues.apache.org/jira/browse/HDFS-5168    Author: Nikola Vujic, 2014-04-03, 08:56
[HDFS-5216] NumDecomDeadDataNodes not returning correct number of dead decommissioned nodes - HDFS - [issue]
...For HDFS-4860 I essentially copied the process in NamenodejspHelper.generateHealthReport(), so it would be in sync with the original dfsHealth.jsp.However looking at this now there may be a ...
http://issues.apache.org/jira/browse/HDFS-5216    Author: Trevor Lorimer, 2014-04-03, 07:56
[HDFS-951] DFSClient should handle all nodes in a pipeline failed. - HDFS - [issue]
...processDatanodeError-> setupPipelineForAppendOrRecovery  will set streamerClosed to be true if all nodes in the pipeline failed in the past, and just return.Back to run() in data str...
http://issues.apache.org/jira/browse/HDFS-951    Author: He Yongqiang, 2014-04-03, 03:40
[HDFS-1336] TruncateBlock does not update in-memory information correctly - HDFS - [issue]
...Component: data node Version: 0.20-append Summary: we found a case that when a block is truncated during updateBlock,the length on the ongoingCreates is not updated, hence leading to failed ...
http://issues.apache.org/jira/browse/HDFS-1336    Author: Thanh Do, 2014-04-03, 03:39
[HDFS-108] File write fails after data node goes down - HDFS - [issue]
...If a data node goes down while a file is being written do HDFS, the write fails with the following errors: 09/04/20 17:15:39 INFO dfs.DFSClient: Exception in createBlockOutputStream jav...
http://issues.apache.org/jira/browse/HDFS-108    Author: Alban Chevignard, 2014-04-03, 03:36
[HDFS-1290] decommissioned nodes report not consistent / clear - HDFS - [issue]
...after i add the list of decom nodes to exclude list and -refreshNodes.In the WebUI the decom/excluded nodes show up in both the live node list and the dead node list.when I do -report from t...
http://issues.apache.org/jira/browse/HDFS-1290    Author: Arun Ramakrishnan, 2014-04-03, 03:35
[HDFS-1106] Datanode throwing UnregisteredDatanodeException -- expects itself to serve storage! - HDFS - [issue]
...We run a large Hadoop cluster used by many different universities.  When some DataNodes went down recently, they came back up and then generated this errormessage in their datanode logs...
http://issues.apache.org/jira/browse/HDFS-1106    Author: Eugene Hung, 2014-04-03, 03:34
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