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[MAPREDUCE-3266] NM resource allocation should be in MB, not GB - MapReduce - [issue]
...Currently, the resource allocation for tasks on the NM is expressed in GB. This is inconsistent with the per-task resources which are in units of MBs. We should use MB throughout for better ...
http://issues.apache.org/jira/browse/MAPREDUCE-3266    Author: Todd Lipcon, 2011-10-26, 21:29
[MAPREDUCE-3268] MR2 capacity scheduler doesn't spread tasks evenly on an underutilized cluster - MapReduce - [issue]
...The fair scheduler in MR1 has the behavior that, if a job is submitted to an under-utilized cluster and the cluster has more open slots than tasks in the job, the tasks are spread evenly thr...
http://issues.apache.org/jira/browse/MAPREDUCE-3268    Author: Todd Lipcon, 2011-10-25, 20:39
[MAPREDUCE-3255] MR2 needs a counter analogous to "slot seconds" - MapReduce - [issue]
...In older versions of MR, we have a SLOT_MILLIS counter which counts how many seconds each task (and job) used of map/reduce slots. Since we no longer have the concept of a "slot" in MR2, we ...
http://issues.apache.org/jira/browse/MAPREDUCE-3255    Author: Todd Lipcon, 2011-10-25, 18:05
[MAPREDUCE-3234] Locality scheduling broken due to mismatch between IPs and hosts - MapReduce - [issue]
...I noticed that, on a single-rack cluster, I wasn't getting hardly any data locality. The issue appears to be the code in RMContainerAllocator which changes the resource requests to use IP ad...
http://issues.apache.org/jira/browse/MAPREDUCE-3234    Author: Todd Lipcon, 2011-10-22, 06:20
[MAPREDUCE-2265] task-controller and jsvc should install into sbin/<platform>/ directory - MapReduce - [issue]
...Currently the task-controller and jsvc "live" in the bin/ directory regardless of build platform. This is incorrect since these components are native compiled code and thus are built for a p...
http://issues.apache.org/jira/browse/MAPREDUCE-2265    Author: Todd Lipcon, 2011-10-20, 22:50
[MAPREDUCE-2578] Fix eclipse project to work out of the box - MapReduce - [issue]
...Currently "ant eclipse" generates an eclipse project that doesn't actually work properly. A few issues: the "testjar" dir inside src/test/mapred has a java class in no package, which confuse...
http://issues.apache.org/jira/browse/MAPREDUCE-2578    Author: Todd Lipcon, 2011-10-20, 22:39
[MAPREDUCE-1991] taskcontroller allows stealing permissions on any local file - MapReduce - [issue]
...The linux task-controller setuid binary allows a malicious user to chmod any file on the system to 644 (and as a side effect appends some junk to the end)...
http://issues.apache.org/jira/browse/MAPREDUCE-1991    Author: Todd Lipcon, 2011-10-20, 22:30
[expand - 1 more] - Re: Map-Reduce without sorting - MapReduce - [mail # dev]
...For historical interest, the JIRAs where this was discussed were MAPREDUCE-326 and MAPREDUCE-1639  On Wed, Oct 19, 2011 at 2:44 PM, Todd Lipcon  wrote:    Todd Lipcon Sof...
   Author: Todd Lipcon, 2011-10-19, 21:54
[expand - 2 more] - Re: Delay scheduling in MR2? - MapReduce - [mail # dev]
...I filed MR-3210. Thanks  On Tue, Oct 18, 2011 at 10:30 PM, Todd Lipcon  wrote:    Todd Lipcon Software Engineer, Cloudera...
   Author: Todd Lipcon, 2011-10-19, 18:27
[MAPREDUCE-3150] Allow TT to run children with an elevated oom_adj score - MapReduce - [issue]
...Some users of hadoop have run into issues where memory on the machines gets oversubscribed for various reasons. When this happens, the machines enter swap, causing things like timeouts, HBas...
http://issues.apache.org/jira/browse/MAPREDUCE-3150    Author: Todd Lipcon, 2011-10-06, 22:06
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