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[HDFS-2731] HA: Autopopulate standby name dirs if they're empty - HDFS - [issue]
...To setup a SBN we currently format the primary then manually copy the name dirs to the SBN. The SBN should do this automatically. Specifically, on NN startup, if HA with a shared edits dir i...
http://issues.apache.org/jira/browse/HDFS-2731    Author: Aaron T. Myers, 2012-03-28, 09:06
Re: [RESULT] - [VOTE] Rename hadoop branches post hadoop-1.x - HDFS - [mail # dev]
...Hey Arun,  On Wed, Mar 28, 2012 at 12:28 AM, Arun C Murthy  wrote:   Thanks a lot for making these changes. Two questions:  - Now that we've renamed branch-0.23 to branch...
   Author: Aaron T. Myers, 2012-03-28, 07:48
[HDFS-2941] Add an administrative command to download a copy of the fsimage from the NN - HDFS - [issue]
...It would be nice to be able to download a copy of the fsimage from the NN, e.g. for backup purposes....
http://issues.apache.org/jira/browse/HDFS-2941    Author: Aaron T. Myers, 2012-03-27, 13:58
[HDFS-3116] Typo in fetchdt error message - HDFS - [issue]
...In DelegationTokenFetcher.java there's the following typo of the word "exactly":System.err.println("ERROR: Must specify exacltly one token file");...
http://issues.apache.org/jira/browse/HDFS-3116    Author: Aaron T. Myers, 2012-03-25, 13:59
Re: Proposal: abandon protocol translator layer for cluster-internal RPCs - HDFS - [mail # dev]
...I'm also +1 to at least taking them out for the intra-cluster protocols.  Aaron T. Myers Software Engineer, Cloudera    On Sun, Mar 18, 2012 at 7:49 PM, Eli Collins  wrot...
   Author: Aaron T. Myers, 2012-03-19, 02:57
[HDFS-3099] SecondaryNameNode does not properly initialize metrics system - HDFS - [issue]
...The SecondaryNameNode is not properly initializing its metrics system. This results in the UgiMetrics, Metrics subsystem stats, and JvmMetrics not being output....
http://issues.apache.org/jira/browse/HDFS-3099    Author: Aaron T. Myers, 2012-03-16, 13:58
[HDFS-3027] HA: Implement a simple NN health check - HDFS - [issue]
...This JIRA is to address a TODO in NameNode about actually implementing the checkHealth RPC....
http://issues.apache.org/jira/browse/HDFS-3027    Author: Aaron T. Myers, 2012-03-14, 04:52
[HDFS-2781] Add client protocol and DFSadmin for command to restore failed storage - HDFS - [issue]
...Per HDFS-2769, it's important that an admin be able to ask the NN to try to restore failed storage since we may drop into SM until the shared edits dir is restored (w/o having to wait for th...
http://issues.apache.org/jira/browse/HDFS-2781    Author: Aaron T. Myers, 2012-03-12, 03:11
[HDFS-2298] TestDfsOverAvroRpc is failing on trunk - HDFS - [issue]
...The relevant bit of the error:-------------------------------------------------------------------------------Test set: org.apache.hadoop.hdfs.TestDfsOverAvroRpc------------------------------...
http://issues.apache.org/jira/browse/HDFS-2298    Author: Aaron T. Myers, 2012-03-10, 18:21
[expand - 2 more] - Re: Merge Namenode HA feature to 0.23 - HDFS - [mail # dev]
...+1  I applied the patch to branch-0.23. It compiles just fine. I built a distribution tar, deployed it to a 4-node cluster, and ran some smoke tests with HA enabled. All seemed good. &n...
   Author: Aaron T. Myers, 2012-03-09, 00:21
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