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[MAPREDUCE-6006] native-task: add native tests to maven and fix bug in pom.xml - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-6006    Author: Binglin Chang, 2014-08-14, 05:47
[MAPREDUCE-5984] native-task: reuse lz4 sources in hadoop-common - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5984    Author: Binglin Chang, 2014-08-06, 07:08
[MAPREDUCE-6005] native-task: fix some valgrind errors - MapReduce - [issue]
...Running test with valgrind shows there are some bugs, this jira try to fix them....
http://issues.apache.org/jira/browse/MAPREDUCE-6005    Author: Binglin Chang, 2014-08-04, 07:20
[MAPREDUCE-5985] native-task: Fix build on macosx - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-5985    Author: Binglin Chang, 2014-07-22, 20:55
[MAPREDUCE-2841] Task level native optimization - MapReduce - [issue]
...I'm recently working on native optimization for MapTask based on JNI. The basic idea is that, add a NativeMapOutputCollector to handle k/v pairs emitted by mapper, therefore sort, spill, IFi...
http://issues.apache.org/jira/browse/MAPREDUCE-2841    Author: Binglin Chang, 2014-07-22, 08:40
Re: Helper files in python - MapReduce - [mail # user]
...If you mean to make those files available in map/reduce tasks: How about put them in one directory, say "app", and specify -file app -mapper app/xxx -reducer app/xx...  , hadoop will pa...
   Author: Binglin Chang, 2013-08-29, 03:56
Re: Is there any possible way to use hostname variable in mapred-site.xml file - MapReduce - [mail # user]
...How about add -Dhost.name=`hostname` in HADOOP_OPTS and get this variable in config file ${host.name} ? I have not tried this, you can try this.   On Thu, Aug 15, 2013 at 5:26 PM, Kun L...
   Author: Binglin Chang, 2013-08-15, 09:51
[expand - 1 more] - Re: How to import custom Python module in MapReduce job? - MapReduce - [mail # user]
...Maybe you doesn't specify symlink name in you cmd line, so the symlink name will be just lib.jar, so I am not sure how you import lib module in your main.py file. Please try this: put main.p...
   Author: Binglin Chang, 2013-08-12, 10:12
Re: metics v1 in hadoop-2.0.5 - MapReduce - [mail # user]
...metrics v1 is deprecated, both in 1.2 and 2.x.  the existence of hadoop-metrics.properties is confusing, I think it should be removed.   On Mon, Aug 5, 2013 at 6:26 PM, lei liu &nb...
   Author: Binglin Chang, 2013-08-05, 10:50
[MAPREDUCE-4944] Backport YARN-40 to support listClusterNodes and printNodeStatus in command line tool - MapReduce - [issue]
...support listClusterNodes and printNodeStatus in command line tool is useful for admin to create certain automation tools, this can also used by MAPREDUCE-4900 to get TaskTracker name so can ...
http://issues.apache.org/jira/browse/MAPREDUCE-4944    Author: Binglin Chang, 2013-05-14, 06:14
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