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[HDFS-149] TestDFSUpgrade fails once in a while - HDFS - [issue]
...Once in a while, the TestDFSUpgrade fails. I am attaching the log file which points to something like there are no datanodes to write blocks to....
http://issues.apache.org/jira/browse/HDFS-149    Author: Devaraj Das, 2014-07-17, 17:57
[HDFS-4778] Invoke getPipeline in the chooseTarget implementation that has favoredNodes - HDFS - [issue]
...Just noticed that in the patch on HDFS-2576, the getPipeline is not invoked. There are some other minor issues discovered. Will fix all of them in one patch....
http://issues.apache.org/jira/browse/HDFS-4778    Author: Devaraj Das, 2013-08-27, 23:08
[HDFS-5016] Deadlock in pipeline recovery causes Datanode to be marked dead - HDFS - [issue]
...In the testing of some failure scenarios for HBase MTTR, we have been simulating node failures via firewalling of nodes (where all communication ports would be firewalled except ssh's port)....
http://issues.apache.org/jira/browse/HDFS-5016    Author: Devaraj Das, 2013-08-13, 14:48
[HDFS-4827] Slight update to the implementation of API for handling favored nodes in DFSClient - HDFS - [issue]
...Currently, the favoredNodes flavor of the DFSClient.create implementation does a call to inetSocketAddressInstance.getAddress().getHostAddress() This wouldn't work if the inetSocketAddressIn...
http://issues.apache.org/jira/browse/HDFS-4827    Author: Devaraj Das, 2013-05-29, 15:07
[HDFS-4779] Backport HDFS-2576 to branch-1 (this is the favoredNodes API related changes) - HDFS - [issue]
http://issues.apache.org/jira/browse/HDFS-4779    Author: Devaraj Das, 2013-05-16, 00:39
Re: [Discuss] Merge federation branch HDFS-1052 into trunk - HDFS - [mail # dev]
...Good to see the performance improvements with federation. Curious to know w hether it is because of the associated refactoring?   On 4/27/11 10:02 AM, "suresh srinivas"  wrote: &nb...
   Author: Devaraj Das, 2011-04-27, 17:08
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