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[HIVE-6455] Scalable dynamic partitioning and bucketing optimization - Hive - [issue]
...The current implementation of dynamic partition works by keeping at least one record writer open per dynamic partition directory. In case of bucketing there can be multispray file writers wh...
http://issues.apache.org/jira/browse/HIVE-6455    Author: Prasanth J, 2014-06-30, 01:31
[HIVE-7051] Display partition level column stats in DESCRIBE EXTENDED/FORMATTED PARTITION - Hive - [issue]
...Same as HIVE-7050 but for partitions...
http://issues.apache.org/jira/browse/HIVE-7051    Author: Prasanth J, 2014-06-23, 10:05
[HIVE-7250] Adaptive compression buffer size for wide tables in ORC - Hive - [issue]
...If the input table is wide (in the order of 1000s), ORC compression buffer size overhead becomes significant causing OOM issues. To overcome this issue, buffer size should be adaptively chos...
http://issues.apache.org/jira/browse/HIVE-7250    Author: Prasanth J, 2014-06-20, 08:54
[HIVE-7050] Display table level column stats in DESCRIBE EXTENDED/FORMATTED TABLE - Hive - [issue]
...There is currently no way to display the column level stats from hive CLI. It will be good to show them in DESCRIBE EXTENDED/FORMATTED TABLE...
http://issues.apache.org/jira/browse/HIVE-7050    Author: Prasanth J, 2014-06-13, 10:37
[HIVE-6883] Dynamic partitioning optimization does not honor sort order or order by - Hive - [issue]
...HIVE-6455 patch does not honor sort order of the output table or order by of select statement. The reason for the former is numDistributionKey in ReduceSinkDesc is set wrongly. It doesn't ta...
http://issues.apache.org/jira/browse/HIVE-6883    Author: Prasanth J, 2014-06-09, 07:39
[HIVE-7067] Min() and Max() on Timestamp and Date columns for ORC returns wrong results - Hive - [issue]
...min() and max() of timestamp and date columns of ORC table returns wrong results. The reason for that is when ORC creates object inspectors for date and timestamp it uses JAVA primitive obje...
http://issues.apache.org/jira/browse/HIVE-7067    Author: Prasanth J, 2014-06-09, 07:39
[HIVE-7170] Fix display_colstats_tbllvl.q in trunk - Hive - [issue]
...display_colstats_tbllvl.q test case fails will NPE. Following is the exceptionjava.lang.NullPointerException        at org.apache.hadoop.hive.metastore.StatObjectCon...
http://issues.apache.org/jira/browse/HIVE-7170    Author: Prasanth J, 2014-06-04, 06:35
[HIVE-7042] Fix stats_partscan_1_23.q and orc_createas1.q for hadoop-2 - Hive - [issue]
...stats_partscan_1_23.q and orc_createas1.q should use HiveInputFormat as opposed to CombineHiveInputFormat. RCFile uses DefaultCodec for compression (uses DEFLATE) which is not splittable. He...
http://issues.apache.org/jira/browse/HIVE-7042    Author: Prasanth J, 2014-05-12, 20:03
[HIVE-6968] list bucketing feature does not update the location map for unpartitioned tables - Hive - [issue]
...list bucketing feature maintains a map of skewed columns/values to location in metastore. This map is not getting updated for unpartitioned tables. For partitioned tables the location map ge...
http://issues.apache.org/jira/browse/HIVE-6968    Author: Prasanth J, 2014-04-29, 02:18
[HIVE-6979] Hadoop-2 test failures related to quick stats not being populated correctly - Hive - [issue]
...The test failures that are currently reported by Hive QA running on hadoop-2 (https://issues.apache.org/jira/browse/HIVE-6968?focusedCommentId=13980570&page=com.atlassian.jira.plugin.sys...
http://issues.apache.org/jira/browse/HIVE-6979    Author: Prasanth J, 2014-04-28, 16:41
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