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Fair Scheduler, minResources and YARN - Hadoop - [mail # user]
...Hello Hadoop users,Since I use CDH, I started posting on the CDH list but got no answer. I know Ishouldn't cross-post, but since the audiences might be slightly different, I'mpasting an edit...
   Author: David Morel, 2014-11-28, 09:49
Re: ODBC Calls Extremely Slow - Hive - [mail # user]
...On 15 Aug 2014, at 22:21, Stephen Sprague wrote:I had the same sort of issue, related to the fact previous versions ofthe ODBC driver (by all vendors since they are all based on the samecode...
   Author: David Morel, 2014-08-15, 20:46
[HIVE-6294] Support for CREATE INDEX IF NOT EXISTS - Hive - [issue]
...It would be nice if it were possible to skip index creation on a table if the index already exists. This would simplify greatly some Oozie workflows that I have. It seems generally (not only...
http://issues.apache.org/jira/browse/HIVE-6294    Author: David Morel, 2014-01-23, 20:44
[SQOOP-1226] --password-file option triggers FileSystemClosed exception at end of Oozie action - Sqoop - [issue]
...When using the --password-file option, a Sqoop action running inside an Oozie workflow will ERROR out at the very end, like so:2013-10-31 13:38:45,095 INFO org.apache.sqoop.hive.HiveImport: ...
http://issues.apache.org/jira/browse/SQOOP-1226    Author: David Morel, 2014-01-16, 21:13
[expand - 1 more] - Re: Hive query taking a lot of time just to launch map-reduce jobs - Hive - [mail # user]
...On 26 Nov 2013, at 7:02, Sreenath wrote:    I was thinking RCFiles would be an advantage but was confusing their utility with that of indexes used on non-partitioned data, my bad. ...
   Author: David Morel, 2013-11-26, 10:53
Re: Difference in number of row observstions from distinct and group by - Hive - [mail # user]
...On 25 Nov 2013, at 9:06, Mayank Bansal wrote:   Instead of going circles, I would put the 2 result sets in 2 tables  (with a concatenated PK made of your 3 columns, with some separ...
   Author: David Morel, 2013-11-25, 13:46
Re: java.lang.OutOfMemoryError: Java heap space - Hive - [mail # user]
...On 22 Nov 2013, at 9:35, Rok Kralj wrote:   what does echo $HADOOP_HEAPSIZE return in the environment you're trying  to launch hive from?  David...
   Author: David Morel, 2013-11-25, 12:22
Re: HiveServer2 - Hive - [mail # user]
...On 18 Nov 2013, at 21:59, Stephen Sprague wrote:   When setting fs.hdfs.impl.disable.cache to false I have all my ALTER TABLE  statements involving managed tables throw an Error 1 ...
   Author: David Morel, 2013-11-19, 19:33
Re: Seeking Help configuring log4j for sqoop import into hive - Hive - [mail # user]
...On 12 Nov 2013, at 0:01, Sunita Arvind wrote:    This is usually the case when your PK (on which Sqoop will try to do the  split) isn't an integer.  my 2c.  David...
   Author: David Morel, 2013-11-12, 00:52
Re: Partition performance - Hive - [mail # user]
...On 2 Jul 2013, at 16:51, Owen O'Malley wrote:   That is still not really answering the question, which is: why is it slower to run a query on a heavily partitioned table than it is on t...
   Author: David Morel, 2013-07-03, 12:19
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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