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Re: OOM after upgrade to last weeks 0.7 - Hive - [mail # user]
...There is a new patch for optimizing partition pruning, including CPU and me mory. I think it is not in 0.7 yet. Can you try trunk and see how much memo ry you need?   BTW 72k partitions...
   Author: Ning Zhang, 2011-05-17, 15:14
[HIVE-2165] variable to be assigned with an atomic value from a query - Hive - [issue]
...Currently variable can only be assigned by a constant. There are cases where a query generate a single value that should be used by the second query. It would be nice to assign this value to...
http://issues.apache.org/jira/browse/HIVE-2165    Author: Ning Zhang, 2011-05-13, 21:54
Re: Inconsistent results from INSERT OVERWRITE TABLE - Hive - [mail # user]
...Hive queries are compiled to different types tasks (MapReduce, MoveTask, et c), so a successful MR task as indicated in the JT doesn't mean the whole q uery succeeded. So you need to examine...
   Author: Ning Zhang, 2011-05-11, 21:33
[HIVE-2013] Add a parameter in the Partition object to indicate it's privilege is the same as table level privilege - Hive - [issue]
...If a query involves many partitions, checking privilege for each partition could be very expensive. An optimization is to indicate in the partition metadata that its privilege is the same as...
http://issues.apache.org/jira/browse/HIVE-2013    Author: Ning Zhang, 2011-05-10, 22:42
Re: What does 'TempStatsStore' do ? - Hive - [mail # user]
...TempStatsStore is a derby database for stats gathering (intermediate stats) . You can turn off stats gathering by set hive.stats.autogather=false.  On May 10, 2011, at 1:23 PM, Christop...
   Author: Ning Zhang, 2011-05-10, 20:32
[HIVE-1576] index_compact*.q should not share common result file - Hive - [issue]
...some index output of index_compact*.q share the same file name (e.g., /tmp/index_test_index_result). This causes parallel test breaks intermittently. Ideally they should output to the local ...
http://issues.apache.org/jira/browse/HIVE-1576    Author: Ning Zhang, 2011-04-20, 23:58
[HIVE-2108] Using the Hadoop 0.20 API for counters - Hive - [issue]
...Even though we stopped support Hadoop pre-0.20 versions, we are still using Hadoop 0.17 API for hadoop counters implementation. This requires us to use hard-coded enums for counters and is h...
http://issues.apache.org/jira/browse/HIVE-2108    Author: Ning Zhang, 2011-04-11, 23:38
[HIVE-1480] CREATE TABLE IF NOT EXISTS get incorrect table name - Hive - [issue]
...CREATE TABLE IF NOT EXISTS T AS SELECT ... gives the following error after the job succeeded:Setting total progress to 10010/07/22 11:26:14 INFO exec.ExecDriver: Ended Job = job_201006221843...
http://issues.apache.org/jira/browse/HIVE-1480    Author: Ning Zhang, 2011-04-05, 22:10
[HIVE-2067] Add JDO filter to explain plan - Hive - [issue]
...When partition pruning is done through JDO filtering (HIVE-2049), the JDO filter should be shown in the explain plan to make it easy to debug....
http://issues.apache.org/jira/browse/HIVE-2067    Author: Ning Zhang, 2011-03-21, 23:29
[HIVE-2026] Parallelize UpdateInputAccessTimeHook - Hive - [issue]
...UpdateInputAccessTimeHook is usually used as a pre-execution hook to update the metastore's lastAccessTime field of input partition/table. If a query touches a large number of partitions, th...
http://issues.apache.org/jira/browse/HIVE-2026    Author: Ning Zhang, 2011-03-21, 20:48
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