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MapJoinOptimization - Apache Hive - Apache Software Foundation - Hive - [wiki]
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https://cwiki.apache.org/confluence/display/Hive/MapJoinOptimization    Author: Thejas M Nair, 2013-04-15, 00:00
[SPARK-733] Add documentation on use of accumulators in lazy transformation - Spark - [issue]
...Accumulators updates are side-effects of RDD computations.  Unlike RDDs, accumulators do not carry lineage that would allow them to be computed when their values are accessed on the mas...
http://issues.apache.org/jira/browse/SPARK-733    Author: Josh Rosen, 2013-04-14, 23:59
[expand - 3 more] - Re: GSOC Idea - Accumulo Control Panel - Accumulo - [mail # dev]
...Billie, Thanks.  I have created the ticket for Ambari (AMBARI-1930).  I started putting together the proposal, but I need to do a lot of research and thinking before I can finish i...
   Author: Andres Danter, 2013-04-14, 23:49
[PIG-3274] tool to create map-reduce code - Pig - [issue]
...I am not good in java.Can anyone tell me, is there any tool which will help me to create a map-reduce code?...
http://issues.apache.org/jira/browse/PIG-3274    Author: Sambit Sahoo, 2013-04-14, 23:29
[expand - 2 more] - Re: Review Request: SQOOP-986 Sqoop2: Add detection of local mode to mapreduce submission engine - Sqoop - [mail # dev]
...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/10452/#review19137  Ship it!   Ship It!  - Kathleen Ting   On April 14, 2013, 5:3...
   Author: Kathleen Ting, 2013-04-14, 23:09
[expand - 2 more] - Re: HBase random read performance - HBase - [mail # user]
...Hello Ankit,     How exactly are you trying to fetch the data?Some tips to enhance the reads could be : Use of scan caching. Good rowkey design. Use of block cache. Properly closin...
   Author: Mohammad Tariq, 2013-04-14, 22:39
[expand - 1 more] - Re: Review Request: SQOOP-895 Sqoop2: Do not serialize framework and connector configurations into mapreduce configuration object - Sqoop - [mail # dev]
...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/10332/#review19136  Ship it!   Ship It!  - Kathleen Ting   On April 8, 2013, 1:11...
   Author: Kathleen Ting, 2013-04-14, 22:36
[YARN-55] YARN needs to properly check the NM,AM memory properties in yarn-site.xml and mapred.xml and report errors accordingly. - YARN - [issue]
...Please refer to this discussion on the Hadoop Mailing list:http://comments.gmane.org/gmane.comp.jakarta.lucene.hadoop.user/33110Summary:I was running YARN(Hadoop2.0.0 Alpha) on a 8 datanode,...
http://issues.apache.org/jira/browse/YARN-55    Author: Anil Gupta, 2013-04-14, 21:56
[expand - 4 more] - Re: Copy Vs DistCP - MapReduce - [mail # user]
...On Sun, Apr 14, 2013 at 10:33 AM, Mathias Herberts  wrote:   Uh... hmm...  This is a good suggestion.  Obvious in fact.  In retrospect.  I would also suggest th...
   Author: Ted Dunning, 2013-04-14, 18:01
start-here question - Accumulo - [mail # dev]
...The start-here.sh script uses a few different ways to find a set of local hostnames. Is there a reason that "hostname -f" should not also be used?...
   Author: David Medinets, 2013-04-14, 17:21
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