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[HIVE-7917] Hive max reducers count has regressed from a prime number to 999  (re-apply HIVE-7158) - Hive - [issue]
...HIVE-6037 overwrote configuration changes made by HIVE-7158 for Configuration parameters related to reducer parallelism.The changes need to be reapplied....
http://issues.apache.org/jira/browse/HIVE-7917    Author: Gopal V, 2015-01-27, 10:37
Re: Query rerun with global limitation - Hive - [mail # user]
...On 1/26/15, 9:18 AM, Philippe Kernévez wrote:I doubt that is the issue you are hitting, if you're moving from 0.13 to 0.14.You are possibly hitting HIVE-9401. To confirm that, please set the...
   Author: Gopal V, 2015-01-26, 18:13
[HIVE-9443] ORC PPD - fix fuzzy case evaluation of IS_NULL - Hive - [issue]
...CLEAR LIBRARY CACHEORC PPD returns IS_NULL wrong for the fuzz case of some-nulls.The code-flow in effect should beif (min == null) {  // all nulls  return YES;} else {&nb...
http://issues.apache.org/jira/browse/HIVE-9443    Author: Gopal V, 2015-01-25, 05:04
[expand - 1 more] - Re: Created branch 1.0 - Hive - [mail # dev]
...On 1/23/15, 6:59 AM, Xuefu Zhang wrote: From the stability and long-term support use-cases that is very definitely the wrong thing to do - to cram code into a 1.0 release.The "huge diff...
   Author: Gopal V, 2015-01-23, 18:43
[expand - 1 more] - Re: Getting Tez working against cdh 5.3 - Hive - [mail # user]
...On 1/20/15, 4:11 PM, Edward Capriolo wrote:...You need to compile it against CDH jars anyway.That particular case is the LD_LIBRARY_PATH missing for tez.task.launch.env variable.With rolling...
   Author: Gopal V, 2015-01-23, 18:09
[expand - 1 more] - Re: Spark performance for small queries - Hive - [mail # user]
...On 1/22/15, 4:36 PM, chandra Reddy Bogala wrote:That is exactly the best practice for hive-13 and earlier. Small files, compressed and converted to columnar storage as part of a periodic com...
   Author: Gopal V, 2015-01-23, 02:28
[HIVE-9310] CLI JLine does not flush history back to ~/.hivehistory - Hive - [issue]
...Hive CLI does not seem to be saving history anymore.In JLine with the PersistentHistory class, to keep history across sessions, you need to do reader.getHistory().flush()....
http://issues.apache.org/jira/browse/HIVE-9310    Author: Gopal V, 2015-01-22, 20:01
[HIVE-7859] Tune zlib compression in ORC to account for the encoding strategy - Hive - [issue]
...Currently ORC Zlib is slow because several compression strategies ZLib uses is already done by ORC in itself (dictionary, RLE, bit-packing).We need to pick between Z_FILTERED, Z_HUFFMAN_ONLY...
http://issues.apache.org/jira/browse/HIVE-7859    Author: Gopal V, 2015-01-21, 08:40
[HIVE-7428] OrcSplit fails to account for columnar projections in its size estimates - Hive - [issue]
...Currently, ORC generates splits based on stripe offset + stripe length.This means that the splits for all columnar projections are exactly the same size, despite reading the footer which giv...
http://issues.apache.org/jira/browse/HIVE-7428    Author: Gopal V, 2015-01-21, 04:50
[HIVE-9401] Backport: Fastpath for limited fetches from unpartitioned tables - Hive - [issue]
...Currently, for flat tables, the threshold check is applicable for a query like select * from lineitem limit 1;.This is not necessary as without a filter clause, this can be executed entirely...
http://issues.apache.org/jira/browse/HIVE-9401    Author: Gopal V, 2015-01-21, 01:51
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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