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Re: Combining small S3 inputs - Pig - [mail # user]
...Check out https://hadoop.apache.org/docs/current/api/org/apache/hadoop/mapred/lib/CombineFileInputFormat.html.I don't know if there's an S3 version, but this should help.On Tue, Jun 17, 2014...
   Author: John Meagher, 2014-06-17, 20:51
[expand - 1 more] - Re: Doubt regarding Binary Compatibility\Source Compatibility with old *mapred* APIs and new *mapreduce* APIs in Hadoop - Hadoop - [mail # user]
...Also, "Source Compatibility" also means ONLY a recompile is needed.No code changes should be needed.On Mon, Apr 14, 2014 at 10:37 AM, John Meagher  wrote: ...
   Author: John Meagher, 2014-04-14, 14:38
Re: UDF reflect - Hive - [mail # user]
...It's probably not as pretty as the new built-in version, but thisallows scripted UDFs in any javax.script language:https://github.com/livingsocial/HiveSwarm/blob/master/src/main/java/com/liv...
   Author: John Meagher, 2014-04-03, 20:38
Re: re-replication after data node failure - Hadoop - [mail # user]
...The balancer is not what handles adding extra replicas in the case ofa node failure, but it looks like the balancer bandwidth setting isthe way to throttle.  See:http://mail-archives.ap...
   Author: John Meagher, 2014-03-26, 18:45
Re: Any way to join two aliases without using CROSS - Pig - [mail # user]
...Try this:  http://pig.apache.org/docs/r0.11.0/basic.html#rankRank each data set then join on the rank.On Tue, Mar 25, 2014 at 4:03 PM, Christopher Surage  wrote: ...
   Author: John Meagher, 2014-03-25, 20:08
Re: Hadoop FileCrush - Hadoop - [mail # user]
...I've used it regularly and it works great.  It has come up on the listsoccasionally, but not that often.  A more recent version is available athttps://github.com/edwardcapriolo/fil...
   Author: John Meagher, 2014-03-05, 14:59
Re: Help with simple UDF error.. - Hive - [mail # user]
...Try changing ArrayList to just List as the argument to the evaluate function.On Thu, Feb 13, 2014 at 12:15 PM, Manish  wrote: ...
   Author: John Meagher, 2014-02-13, 17:21
[expand - 1 more] - Re: Can data be passed to the final mode init call in a UDAF? - Hive - [mail # user]
...The code I'm having problems with ishttps://github.com/livingsocial/HiveSwarm/blob/WIP_scripting/src/main/java/com/livingsocial/hive/udf/ScriptedUDAF.java.There is a FIXME comment at the pro...
   Author: John Meagher, 2014-02-12, 14:41
[expand - 1 more] - Re: FUNCTION HIVE to DAYS OF WEEK - Hive - [mail # user]
...The pom.xml file in the top level specifies the version of Hadoop and Hiveit is compiling against.  There are 2 ways to get things working:1) Modify the HiveSwarm pom.xml file to refere...
   Author: John Meagher, 2014-02-11, 14:31
Re: Formatting hive queries - Hive - [mail # user]
...I use vim and https://github.com/vim-scripts/SQLUtilities to do it. It's not hive specific.  Any SQL formatting tool will work.  On Tue, Jan 21, 2014 at 11:23 PM, pandees waran &nb...
   Author: John Meagher, 2014-01-22, 14:15
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