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[MAPREDUCE-1347] Missing synchronization in MultipleOutputFormat - MapReduce - [issue]
...MultipleOutputFormat's RecordWriter implementation doesn't use synchronization when accessing the recordWriters member. When using multithreaded mappers or reducers, this can result in probl...
http://issues.apache.org/jira/browse/MAPREDUCE-1347    Author: Todd Lipcon, 2014-07-29, 22:45
[MAPREDUCE-1114] Speed up ivy resolution in builds with clever caching - MapReduce - [issue]
...An awful lot of time is spent in the ivy:resolve parts of the build, even when all of the dependencies have been fetched and cached. Profiling showed this was in XML parsing. I have a sort-o...
http://issues.apache.org/jira/browse/MAPREDUCE-1114    Author: Todd Lipcon, 2014-07-29, 19:43
[MAPREDUCE-1113] mumak compiles aspects even if skip.contrib is true - MapReduce - [issue]
...The compile-aspects task in mumak's build.xml runs regardless of the skip.contrib property. Momentarily uploading a patch to fix this....
http://issues.apache.org/jira/browse/MAPREDUCE-1113    Author: Todd Lipcon, 2014-07-29, 19:42
[MAPREDUCE-5995] native-task: revert changes which expose Text internals - MapReduce - [issue]
...The current branch has some changes to the Text writable which allow it to manually set the backing array, capacity, etc. Rather than exposing these internals, we should use the newly-commit...
http://issues.apache.org/jira/browse/MAPREDUCE-5995    Author: Todd Lipcon, 2014-07-27, 20:15
[MAPREDUCE-6000] native-task: Simplify ByteBufferDataReader/Writer - MapReduce - [issue]
...The ByteBufferDataReader and ByteBufferDataWriter class are more complex than necessary: several methods related to reading/writing strings and char arrays are implemented but never used by ...
http://issues.apache.org/jira/browse/MAPREDUCE-6000    Author: Todd Lipcon, 2014-07-24, 09:24
[MAPREDUCE-5997] native-task: Use DirectBufferPool from Hadoop Common - MapReduce - [issue]
...The native task code has its own direct buffer pool, but Hadoop already has an implementation. HADOOP-10882 will move that implementation into Common, and this JIRA is to remove the duplicat...
http://issues.apache.org/jira/browse/MAPREDUCE-5997    Author: Todd Lipcon, 2014-07-24, 09:20
[MAPREDUCE-5996] native-task: Rename system tests into standard directory layout - MapReduce - [issue]
...Currently there are a number of tests in src/java/system. This confuses IDEs which think that the package should then be system.org.apache.hadoop instead of just org.apache.hadoop....
http://issues.apache.org/jira/browse/MAPREDUCE-5996    Author: Todd Lipcon, 2014-07-24, 07:17
[MAPREDUCE-5994] native-task: TestBytesUtil fails - MapReduce - [issue]
...This class appears to have some bugs. Two tests fail consistently on my system. BytesUtil itself appears to duplicate a lot of code from guava - we should probably just use the Guava functio...
http://issues.apache.org/jira/browse/MAPREDUCE-5994    Author: Todd Lipcon, 2014-07-24, 07:14
[MAPREDUCE-5975] Fix native-task build on Ubuntu 13.10 - MapReduce - [issue]
...I'm having some issues building the native-task branch on my Ubuntu 13.10 box. This JIRA is to figure out and fix whatever's going on....
http://issues.apache.org/jira/browse/MAPREDUCE-5975    Author: Todd Lipcon, 2014-07-22, 21:09
[MAPREDUCE-496] If mapred.local.dir is configured on top of dfs.data.dir, hadoop should refuse to start rather than deleting the contents of local.dir - MapReduce - [issue]
...I just managed to blow away a DFS by accidentally misconfiguring dfs.data.dir and mapred.local.dir to contain several directories in common. On startup, the task tracker clears out mapred.lo...
http://issues.apache.org/jira/browse/MAPREDUCE-496    Author: Todd Lipcon, 2014-07-21, 18:04
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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