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[HDFS-2793] Add an admin command to trigger an edit log roll - HDFS - [issue]
...This seems like it would also be helpful outside of the context of HA, but especially so given that the standby can currently only read finalized log segments....
http://issues.apache.org/jira/browse/HDFS-2793    Author: Aaron T. Myers, 2012-09-05, 15:00
Re: current direction in namenode HA - HDFS - [mail # dev]
...Hi Sujee,  On Tue, Sep 4, 2012 at 3:37 PM, Sujee Maniyam  wrote:   Thanks for the interest.    This is currently committed / released.    This was an optio...
   Author: Aaron T. Myers, 2012-09-04, 22:55
[HDFS-2782] HA: Support multiple shared edits dirs - HDFS - [issue]
...Supporting multiple shared dirs will improve availability (eg see HDFS-2769). You may want to use multiple shared dirs on a single filer (eg for better fault isolation) or because you want t...
http://issues.apache.org/jira/browse/HDFS-2782    Author: Aaron T. Myers, 2012-08-31, 05:03
[HDFS-3864] NN does not update internal file mtime for OP_CLOSE when reading from the edit log - HDFS - [issue]
...When logging an OP_CLOSE to the edit log, the NN writes out an updated file mtime and atime. However, when reading in an OP_CLOSE from the edit log, the NN does not apply these values to the...
http://issues.apache.org/jira/browse/HDFS-3864    Author: Aaron T. Myers, 2012-08-29, 15:01
[HDFS-3835] Long-lived 2NN cannot perform a checkpoint if security is enabled and the NN restarts with outstanding delegation tokens - HDFS - [issue]
...When the 2NN wants to perform a checkpoint, it figures out the highest transaction ID of the fsimage files on the NN, and if the 2NN has a copy of that fsimage file (because it created that ...
http://issues.apache.org/jira/browse/HDFS-3835    Author: Aaron T. Myers, 2012-08-24, 15:31
[HDFS-3826] QJM: Some trivial logging / exception text improvements - HDFS - [issue]
...Some of the log text in QuorumException and QuorumJournalManager could stand to be improved.Credit to Todd Lipcon for noticing this....
http://issues.apache.org/jira/browse/HDFS-3826    Author: Aaron T. Myers, 2012-08-21, 11:48
[HDFS-3823] QJM: TestQJMWithFaults fails occasionally because of missed setting of HTTP port - HDFS - [issue]
...TestQJMWithFaults#testRandomized will fail if the IPCLoggerChannel.httpPort instance variable isn't set before a call to IPCLoggerChannel#prepareRecovery is made, since this is necessary to ...
http://issues.apache.org/jira/browse/HDFS-3823    Author: Aaron T. Myers, 2012-08-21, 10:45
[HDFS-3820] QJM: Add a few missing imports in TestEditLog and TestFSEditLogLoader - HDFS - [issue]
...Both of these test files are missing a few imports required to make the compile....
http://issues.apache.org/jira/browse/HDFS-3820    Author: Aaron T. Myers, 2012-08-21, 09:31
[HDFS-2998] OfflineImageViewer and ImageVisitor should be annotated public - HDFS - [issue]
...The OfflineImageViewer is currently annotated as InterfaceAudience.Private. It's intended for subclassing, so it should be annotated as the public API that it is.The ImageVisitor class shoul...
http://issues.apache.org/jira/browse/HDFS-2998    Author: Aaron T. Myers, 2012-08-18, 11:18
[HDFS-3773] TestNNWithQJM fails after HDFS-3741 - HDFS - [issue]
...Looks like the change of visibility of one of the QuorumJournalManager constructors fouls up the instantiation via reflection....
http://issues.apache.org/jira/browse/HDFS-3773    Author: Aaron T. Myers, 2012-08-08, 17:22
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