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Map side join failed when setting hive.optimize.cp to false - Hive - [mail # user]
...Hive version 0.12.0To enable Map side join, we enable:sethive.auto.convert.join=true;set hive.auto.convert.join.noconditionaltask = true;set hive.auto.convert.join.noconditionaltask.size = 1...
   Author: Shangzhong zhu, 2014-08-06, 01:15
ORC File IndexOutOfBoundsException error when PPD enabled - Hive - [mail # user]
...I found an issue when querying a partitioned ORC file table.We started to build this table in ORC file format with default setting,Everything looks fine.Later, we tried some optimization. On...
   Author: Shangzhong zhu, 2014-08-05, 19:22
Hive ORC file map type performance - Hive - [mail # user]
...Hi, We are upgrading our Hive file format from RCFile to ORC, and doingsome performance evaluation.Out testing table has a map type column. One thing we noticed is that ifthe query involves ...
   Author: Shangzhong zhu, 2014-07-31, 20:18
How to configure Hive intermediate result file format? - Hive - [mail # user]
...Hi, Is there any configuration that can change the Hive intermediate result file format (between MR jobs)?  I think right now, the default is SequenceFile. I am not sure if I can set to...
   Author: Shangzhong zhu, 2013-10-28, 18:21
Hive 0.9.0 column pruner - Hive - [mail # user]
...By default, the column pruner is set to true: hive.optimize.cp = true.  However, when we set the hive.optimize.cp = false, then some Hive queries started to fail.  We get errors li...
   Author: Shangzhong zhu, 2013-10-25, 06:52
RCFile with hive.optimize.cp setting - Hive - [mail # user]
...In our environment, our data are put on Amazon S3, and data are in RCFile format. In order to make Hive queries work, we found that we have to change the hive.optimize.cp to false. Otherwise...
   Author: Shangzhong zhu, 2013-10-15, 02:14
[expand - 1 more] - Re: regarding Hive Thrift Metastore Server - Hive - [mail # user]
...We are using Hive 0.9.0.  Besides the security issues, any other issues you see when directly hitting mysql?  We are frequently seeing Hive jobs failed (both CLI and oozie Hive job...
   Author: Shangzhong zhu, 2013-07-24, 22:05
[expand - 1 more] - Re: Hive 0.10.0 metastore thrift server installation error - Hive - [mail # user]
...We did upgrade the 0.9.0 metastore DB. In fact, we also tried to start with an empty DB. But still had this issue.  By looking at the errors, seems the exception was thrown by reading s...
   Author: Shangzhong zhu, 2013-03-14, 17:05
Hive Thrift upgrade to 0.9.0 - Hive - [mail # user]
...We are using Hive 0.9.0, and we have seen frequent Thrift Metastore timeout issues probably due to the Thrift memory leak reported in THRIFT-1468.  The current solution is to upgrade Th...
   Author: Shangzhong zhu, 2012-12-11, 20:07
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