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[HDFS-3893] QJM: Make QJM work with security enabled - HDFS - [issue]
...Currently the QJM does not work when security is enabled. The quorum cannot be formatted, the NN and SBN cannot communicate with the JNs, and JNs cannot synchronize edit logs with each other...
http://issues.apache.org/jira/browse/HDFS-3893    Author: Aaron T. Myers, 2012-09-06, 22:45
[HDFS-3040] TestMulitipleNNDataBlockScanner is misspelled - HDFS - [issue]
...There's an unnecessary extra "i" in the name of the test....
http://issues.apache.org/jira/browse/HDFS-3040    Author: Aaron T. Myers, 2012-09-06, 07:29
[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
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