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[MAPREDUCE-2237] Lost heartbeat response containing MapTask throws NPE when it is resent - MapReduce - [issue]
...When the JT sends a heartbeat response, it records it in trackerToHeartbeatResponseMap. But after MapTask writes its input split, it sets that split to null (assumedly to save memory?). So, ...
http://issues.apache.org/jira/browse/MAPREDUCE-2237    Author: Todd Lipcon, 2012-03-28, 12:18
[MAPREDUCE-3864] Fix cluster setup docs for correct SNN HTTPS parameters - MapReduce - [issue]
...Currently the docs reference dfs.namenode.secondary.https-address, which does not exist. Instead it should reference dfs.namenode.secondary.https-port (new name of dfs.secondary.https.port a...
http://issues.apache.org/jira/browse/MAPREDUCE-3864    Author: Todd Lipcon, 2012-03-28, 09:12
[MAPREDUCE-3546] slf4j versions mismatched between yarn and hdfs - MapReduce - [issue]
...Running a cluster on trunk, I ran into an issue caused by the differing slf4j versions between YARN and HDFS. YARN is currently using 1.6.1 whereas HDFS is using 1.5.11. Unclear whether we s...
http://issues.apache.org/jira/browse/MAPREDUCE-3546    Author: Todd Lipcon, 2012-03-23, 20:03
[expand - 2 more] - Re: svn commit: r1304067 - in /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project: ./ bin/ conf/ hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/ hadoop-mapreduce-examples/ hadoop-yarn/hadoop-yarn-site/ hadoop-yarn/ha - MapReduce - [mail # dev]
...On Thu, Mar 22, 2012 at 5:03 PM, Owen O'Malley  wrote:  +1. I never even use the svn merge command to merge between branches. I just apply the patch separately to each branch. The ...
   Author: Todd Lipcon, 2012-03-23, 00:21
[MAPREDUCE-2294] Mumak won't compile in MR trunk - MapReduce - [issue]
...HADOOP-6904 added a required getProtocolSignature() method for protocols, but the mock JT in Mumak doesn't implement this. So, MR trunk is currently failing....
http://issues.apache.org/jira/browse/MAPREDUCE-2294    Author: Todd Lipcon, 2012-03-12, 05:51
[MAPREDUCE-3948] proxy throws UnknownHostException when following link shortly after job submission - MapReduce - [issue]
...I submitted a job and then clicked on the link from the console quickly, before the job began to run. I saw the following exception:java.net.UnknownHostException: N...     &nb...
http://issues.apache.org/jira/browse/MAPREDUCE-3948    Author: Todd Lipcon, 2012-03-06, 16:37
[expand - 1 more] - Re: Optimized Hadoop - MapReduce - [mail # dev]
...On Thu, Feb 16, 2012 at 8:25 PM, Schubert Zhang  wrote:  right - that's a nice improvement, looking forward to getting that in trunk at some point.   Looking at the code, it s...
   Author: Todd Lipcon, 2012-02-17, 18:07
[MAPREDUCE-2592] TT should fail task immediately if userlog dir cannot be created - MapReduce - [issue]
...Currently, TaskRunner will log the message "mkdirs failed. Ignoring" if it fails to mkdir the userlog directory for a task. Then, it goes on to spawn taskjvm.sh which tries to redirect outpu...
http://issues.apache.org/jira/browse/MAPREDUCE-2592    Author: Todd Lipcon, 2012-02-11, 17:51
[MAPREDUCE-2301] TestDataDrivenDBInputFormat fails if port 9001 is occupied - MapReduce - [issue]
...If you have any process listening on port 9001 (the default hsqldb port) then TestDataDrivenDBInputFormat will fail with:Connection is broken: java.io.EOFExceptionjava.sql.SQLException: Conn...
http://issues.apache.org/jira/browse/MAPREDUCE-2301    Author: Todd Lipcon, 2012-01-30, 13:42
[MAPREDUCE-3210] Support delay scheduling for node locality in MR2's capacity scheduler - MapReduce - [issue]
...The capacity scheduler in MR2 doesn't support delay scheduling for achieving node-level locality. So, jobs exhibit poor data locality even if they have good rack locality. Especially on clus...
http://issues.apache.org/jira/browse/MAPREDUCE-3210    Author: Todd Lipcon, 2012-01-03, 15:35
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