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Re: Mapper and Reducer takes longer than usual for a HBase table aggregation task - MapReduce - [mail # user]
...Pavan: Did you use TableInputFormat or its variant ? If so, take a look at TableSplit and how it is used in TableInputFormatBase#getSplits().  Cheers   On Sun, Aug 25, 2013 at 2:36...
   Author: Ted Yu, 2013-08-25, 23:01
Re: Pig upgrade - MapReduce - [mail # user]
...New features can be found here: https://blogs.apache.org/pig/  I found the above URL through http://search-hadoop.com/m/ib1SlsHMtb1  Cheers   On Sat, Aug 24, 2013 at 8:21 AM, ...
   Author: Ted Yu, 2013-08-24, 15:29
Re: where i can find the deprecated property name and their replacements? - MapReduce - [mail # user]
...Is it deprecated ?    public static final String  DFS_JOURNALNODE_EDITS_DIR_KEY  "dfs.journalnode.edits.dir"; ./hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/h...
   Author: Ted Yu, 2013-08-22, 02:36
Re: the options that used to tuning mapreduceV1 is still useful for YARN? - MapReduce - [mail # user]
...In Configuration class, you should be able to find addDeprecation() methods.  Below is the result of quick search where addDeprecation() is called.      Configuration.add...
   Author: Ted Yu, 2013-08-12, 05:04
Re: DefaultResourceCalculator class not found, ResourceManager fails to start. - MapReduce - [mail # user]
...Can you check the config entry for yarn.scheduler.capacity.resource-calculator ? It should point to org.apache.hadoop.yarn.util.resource.DefaultResourceCalculator  bq. I was able to fix...
   Author: Ted Yu, 2013-08-12, 01:28
Re: compatible hadoop version for hbase-0.94.10 - MapReduce - [mail # user]
...If you look at pom.xml for 0.94, you should see hadoop-1.1 and hadoop-1.2 profiles.  Those hadoop releases (1.1.2 and 1.2.0, respectively) should work.  On Wed, Aug 7, 2013 at 12:1...
   Author: Ted Yu, 2013-08-07, 19:22
Re: setting mapred.task.timeout programmatically from client - MapReduce - [mail # user]
...For scheduling mechanism please take a look at oozie.   Cheers  On Jul 22, 2013, at 10:37 PM, Balamurali  wrote:  ...
   Author: Ted Yu, 2013-07-23, 09:32
[MAPREDUCE-5404] HSAdminServer does not use ephemeral ports in minicluster mode - MapReduce - [issue]
...I ran HBase trunk tests against 2.2.0-SNAPSHOT and many mapreduce jobs failed.Here is one example:org.apache.hadoop.hbase.mapreduce.TestTableInputFormatScan2  Time elapsed: 0.001 sec &n...
http://issues.apache.org/jira/browse/MAPREDUCE-5404    Author: Ted Yu, 2013-07-22, 20:06
Re: Distributed Cache - MapReduce - [mail # user]
...You should use Job#addCacheFile()   Cheers  On Tue, Jul 9, 2013 at 3:02 PM, Botelho, Andrew wrote:  ...
   Author: Ted Yu, 2013-07-09, 22:07
Re: if i changed zookeeper port ,how can i let my hbase know the port? - MapReduce - [mail # user]
...Have you looked at http://hbase.apache.org/book.html#zookeeper ?  Thanks  On Wed, Jun 26, 2013 at 5:09 PM, ch huang  wrote:  ...
   Author: Ted Yu, 2013-06-26, 11:25
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