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[MAPREDUCE-402] TaskTracker doesnt recheck job tracker version on reconnect - MapReduce - [issue]
...This isnt anything I have a test for/encountered, just something I noticed when reviewing TaskTracker.1. TaskTracker sets a justStarted flag to true when starting up2. One way it uses this f...
http://issues.apache.org/jira/browse/MAPREDUCE-402    Author: Steve Loughran, 2014-07-18, 21:04
[MAPREDUCE-2824] MiniMRCluster should have an idempotent shutdown - MapReduce - [issue]
...It looks on a quick skim-through that the org.apache.hadoop.mapred.MiniMRCluster class has nothing to stop a caller calling shutdown() more than once, with possible adverse consequences. Thi...
http://issues.apache.org/jira/browse/MAPREDUCE-2824    Author: Steve Loughran, 2014-07-18, 19:24
[MAPREDUCE-233] Integrate TaskTracker with the Service base class - MapReduce - [issue]
...Following on from the initial service patch, we need to bring TaskTracker into the fold. This separate issue  does this activity...
http://issues.apache.org/jira/browse/MAPREDUCE-233    Author: Steve Loughran, 2014-07-18, 18:48
[MAPREDUCE-5983] TestCommandLineJobSubmission assumes there is a /tmp dir that can be used for temp data - MapReduce - [issue]
...the test case in TestCommandLineJobSubmission assumes that it can create stuff in /tmp:File buildDir = new File(System.getProperty("test.build.data", "/tmp"));as well as being unix only, the...
http://issues.apache.org/jira/browse/MAPREDUCE-5983    Author: Steve Loughran, 2014-07-18, 18:43
[MAPREDUCE-505] StatusHttpServer should include hostname/port when bind fails - MapReduce - [issue]
...Just as server includes diagnostics on the host:port binding for a failed socket startup, we should catch and wrap any failure of jetty to start up with the same diagnostics....
http://issues.apache.org/jira/browse/MAPREDUCE-505    Author: Steve Loughran, 2014-07-18, 06:24
[MAPREDUCE-497] TaskTracker.addDiagnostics(String file, int num, String tag) could exit early if num==0 - MapReduce - [issue]
...When a TaskTracker job finishes,  taskFinished() is invoked. as part of its work it 1. loads in a conf option (that is not in hadoop-default, incidentally) , mapred.debug.out.lines...
http://issues.apache.org/jira/browse/MAPREDUCE-497    Author: Steve Loughran, 2014-07-18, 06:23
[MAPREDUCE-436] NPE in TaskRunner.run if hadoop.log.dir not set - MapReduce - [issue]
...I'm getting an NPE in TaskRunner.run, looks like it happens when the system property hadoop.log.dir is unset...
http://issues.apache.org/jira/browse/MAPREDUCE-436    Author: Steve Loughran, 2014-07-18, 06:16
[MAPREDUCE-2785] MiniMR cluster thread crashes if no hadoop log dir set - MapReduce - [issue]
...I'm marking this as minor as it is most obvious in the MiniMRCluster, but the root cause is in the JT. If you instantiate an MiniMR Cluster without setting hadoop.job.history.location in the...
http://issues.apache.org/jira/browse/MAPREDUCE-2785    Author: Steve Loughran, 2014-03-03, 10:06
[MAPREDUCE-437] JobTracker must ask for a new FS instance and close it when terminated. - MapReduce - [issue]
...This is something I've been experimenting with HADOOP-3268; I'm not sure what the right action is here.-currently, the JobTracker does not close() its filesystem when it is shut down. This w...
http://issues.apache.org/jira/browse/MAPREDUCE-437    Author: Steve Loughran, 2014-03-03, 10:05
Re: What is the role of hadoop-core-*.jar? - MapReduce - [mail # dev]
...Grab the source from SVN/git and import it into your chosen IDE -it'll showyou whats in the JAR and what's notOn 28 January 2014 09:00, Yoonmin Nam  wrote:CONFIDENTIALITY NOTICENOTICE: ...
   Author: Steve Loughran, 2014-01-29, 10:17
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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