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[MAPREDUCE-1994] Linux task-controller determines its own path insecurely - MapReduce - [issue]
...The task-controller uses argv[0] to determine its own path, and then calls stat() on that. Instead it should stat("/proc/self/exe") directly. This is important since argv[0] ...
http://issues.apache.org/jira/browse/MAPREDUCE-1994    Author: Todd Lipcon, 2012-07-10, 21:27
[MAPREDUCE-2242] LinuxTaskController doesn't properly escape environment variables - MapReduce - [issue]
...LinuxTaskController currently just writes "export FOO=bar" pairs into taskjvm.sh, which fails if the value has multiple words or contains a space. This is causing TestDebugScriptWithLinuxTas...
http://issues.apache.org/jira/browse/MAPREDUCE-2242    Author: Todd Lipcon, 2012-07-10, 21:27
[MAPREDUCE-2328] memory-related configurations missing from mapred-default.xml - MapReduce - [issue]
...HADOOP-5881 added new configuration parameters for memory-based scheduling, but they weren't added to mapred-default.xml...
http://issues.apache.org/jira/browse/MAPREDUCE-2328    Author: Todd Lipcon, 2012-07-09, 06:16
[MAPREDUCE-2251] Remove mapreduce.job.userhistorylocation config - MapReduce - [issue]
...Best I can tell, this config parameter is no longer used as of MAPREDUCE-157 but still exists in the code and in mapred-default.xml. We should remove it to avoid user confusion....
http://issues.apache.org/jira/browse/MAPREDUCE-2251    Author: Todd Lipcon, 2012-07-08, 16:18
[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-2884] tmpjars not working when default filesystem mismatches between client and server - MapReduce - [issue]
...One of the HBase tests is failing which tries to add a local file to the distributed cache using the "tmpjars" configuration variable. The first half of the distributedcache setup decides no...
http://issues.apache.org/jira/browse/MAPREDUCE-2884    Author: Todd Lipcon, 2012-06-13, 17:54
[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
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