Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 11 to 20 from 101 (0.118s).
Loading phrases to help you
refine your search...
[HIVE-7865] Extend TestFileDump test case to printout ORC row index information - Hive - [issue]
...It will be good to have test case to printout ORC row index entries. Some changes to ORC format like HIVE-7832 uses different codepath to write row index entries. To make sure it is not doin...
http://issues.apache.org/jira/browse/HIVE-7865    Author: Prasanth J, 2014-08-25, 21:01
[HIVE-7833] Remove unwanted allocation in ORC RunLengthIntegerWriterV2 determine encoding function - Hive - [issue]
...RunLengthIntegerWriterV2.determineEncoding() is used heavily. There are unwanted buffer allocation for every invocation of the function which are not required....
http://issues.apache.org/jira/browse/HIVE-7833    Author: Prasanth J, 2014-08-22, 18:26
[HIVE-7836] Ease-out denominator for multi-attribute join case in statistics annotation - Hive - [issue]
...In cases where number of relations involved in join is less than the number of join attributes the denominator of join rule can get larger resulting in aggressive row count estimation....
http://issues.apache.org/jira/browse/HIVE-7836    Author: Prasanth J, 2014-08-22, 16:30
[HIVE-7771] ORC PPD fails for some decimal predicates - Hive - [issue]
...Some queries like select * from table where dcol<=11.22BD;fails when ORC predicate pushdown is enabled....
http://issues.apache.org/jira/browse/HIVE-7771    Author: Prasanth J, 2014-08-20, 03:34
[HIVE-7734] Join stats annotation rule is not updating columns statistics correctly - Hive - [issue]
...HIVE-7679 is not doing the correct thing. The scale down/up factor updating column stats was wrong as ratio = newRowCount/oldRowCount is always infinite (oldRowCount = 0). The old row count ...
http://issues.apache.org/jira/browse/HIVE-7734    Author: Prasanth J, 2014-08-19, 18:18
[HIVE-7679] JOIN operator should update the column stats when number of rows changes - Hive - [issue]
...JOIN operator does not update the column stats when the number of rows changes. All other operators scales up/down the column statistics when the number of rows changes. Same should be done ...
http://issues.apache.org/jira/browse/HIVE-7679    Author: Prasanth J, 2014-08-12, 18:49
[HIVE-5579] Update statistics rules for different types of joins - Hive - [issue]
...This is a followup of HIVE-5369. Current statistics rules for join operator are generic and are not specific to the type of join. Update the rules based on the type of joins....
http://issues.apache.org/jira/browse/HIVE-5579    Author: Prasanth J, 2014-08-11, 21:32
[HIVE-7231] Improve ORC padding - Hive - [issue]
...Current ORC padding is not optimal because of fixed stripe sizes within block. The padding overhead will be significant in some cases. Also padding percentage relative to stripe size is not ...
http://issues.apache.org/jira/browse/HIVE-7231    Author: Prasanth J, 2014-08-10, 00:26
[HIVE-7490] Revert ORC stripe size - Hive - [issue]
...HIVE-6037 reverted the changes to ORC stripe size introduced by HIVE-7231....
http://issues.apache.org/jira/browse/HIVE-7490    Author: Prasanth J, 2014-08-10, 00:23
[HIVE-7219] Improve performance of serialization utils in ORC - Hive - [issue]
...ORC uses serialization utils heavily for reading and writing data. The bitpacking and unpacking code in writeInts() and readInts() can be unrolled for better performance. Also double reader/...
http://issues.apache.org/jira/browse/HIVE-7219    Author: Prasanth J, 2014-08-09, 20:41
Sort:
project
Hive (101)
Pig (35)
Drill (4)
Hadoop (1)
Kafka (1)
type
issue (99)
mail # dev (1)
mail # user (1)
date
last 7 days (2)
last 30 days (2)
last 90 days (30)
last 6 months (43)
last 9 months (101)
author
Namit Jain (645)
Carl Steinbach (416)
Brock Noland (399)
Zheng Shao (382)
Ashutosh Chauhan (348)
Edward Capriolo (298)
Navis (292)
Gunther Hagleitner (235)
Thejas M Nair (221)
Xuefu Zhang (216)
Lefty Leverenz (214)
John Sichi (212)
Ning Zhang (171)
Sergey Shelukhin (158)
Kevin Wilfong (152)
Thejas Nair (149)
Harish Butani (145)
He Yongqiang (139)
Jason Dere (136)
Eugene Koifman (125)
Szehon Ho (121)
Vaibhav Gumashta (116)
Nitin Pawar (113)
Alan Gates (110)
Eric Hanson (108)
Prasanth J