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[MAPREDUCE-4359] Potential deadlock in Counters - MapReduce - [issue]
...jcarder identified this deadlock in branch-1 (though it may also be present in trunk): Counters.size() is synchronized and locks Counters before Group Counters.Group.getCounterForName() is s...
http://issues.apache.org/jira/browse/MAPREDUCE-4359    Author: Todd Lipcon, 2012-07-05, 19:46
Re: PreCommit-Admin not running - MapReduce - [mail # dev]
...I reported it to builds@ earlier this week, seems to be running sporadically now.  We had some of our build slaves dead due to the leap second bug. I did the "date" trick to try to fix ...
   Author: Todd Lipcon, 2012-07-04, 23:00
[MAPREDUCE-2377] task-controller fails to parse configuration if it doesn't end in \n - MapReduce - [issue]
...If the task-controller.cfg file doesn't end in a newline, it fails to parse properly....
http://issues.apache.org/jira/browse/MAPREDUCE-2377    Author: Todd Lipcon, 2012-06-07, 19:45
[MAPREDUCE-2178] Race condition in LinuxTaskController permissions handling - MapReduce - [issue]
...The linux-task-controller executable currently traverses a directory heirarchy and calls chown/chmod on the files inside. There is a race condition here which can be exploited by an attacker...
http://issues.apache.org/jira/browse/MAPREDUCE-2178    Author: Todd Lipcon, 2012-06-05, 13:53
[MAPREDUCE-2224] Synchronization bugs in JvmManager - MapReduce - [issue]
...JvmManager.JvmManagerForType has several HashMap members that are inconsistently synchronized. I've seen sporadic NPEs in the 0.20 version of this code which has similar bugs....
http://issues.apache.org/jira/browse/MAPREDUCE-2224    Author: Todd Lipcon, 2012-06-05, 07:25
[MAPREDUCE-3947] yarn.app.mapreduce.am.resource.mb not documented - MapReduce - [issue]
...This configuration is useful but doesn't appear to be documented anywhere....
http://issues.apache.org/jira/browse/MAPREDUCE-3947    Author: Todd Lipcon, 2012-05-23, 20:28
Re: ClassNotFoundException: org.apache.commons.io.FileUtils - MapReduce - [mail # dev]
...I believe we upgraded to commons-io 3.0 in 1.0.3. Did you check the 1.0.3 p om?  -Todd  On Thu, May 17, 2012 at 8:01 PM, Ted Yu  wrote: rt/org.apache.hadoop.hbase.mapred/TestT...
   Author: Todd Lipcon, 2012-05-18, 03:06
Re: can we remove Ant stuff now that MAPREDUCE-3543 (gridmix) has been mavenized? - MapReduce - [mail # dev]
...This code hasn't been building/running for months, and isn't updated against MR2. So, I would advocate removing it. If an active maintainer steps up, we can revive it from SVN history as nec...
   Author: Todd Lipcon, 2012-05-17, 16:23
[expand - 3 more] - Re: [RESULT] - [VOTE] Rename hadoop branches post hadoop-1.x - MapReduce - [mail # dev]
...On Thu, Apr 12, 2012 at 9:32 AM, Steve Loughran  wrote:  Yes, that's what folks are mostly doing.   Bobby Evans took over management of branch-0.23 to work on for some interna...
   Author: Todd Lipcon, 2012-04-12, 17:27
[MAPREDUCE-4132] Add docs for NameNode initializeSharedEdits and bootstrapStandby commands - MapReduce - [issue]
...We've made the HA setup easier by adding new flags to the namenode to automatically set up the standby. But, we didn't document them yet. We should amend the HDFSHighAvailability.apt.vm docs...
http://issues.apache.org/jira/browse/MAPREDUCE-4132    Author: Todd Lipcon, 2012-04-10, 19:44
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB