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Re: Review Request 18936: HIVE-6430 MapJoin hash table has large memory overhead - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/18936/#review36939ql/src/java/org/apache/hadoop/hive/ql/exec/persistence/BytesBytesMultiHashMap.java&n...
   Author: Gopal V, 2014-03-13, 06:00
Re: Timeline for the Hive 0.13 release? - Hive - [mail # dev]
...Can I add HIVE-6518 as well to the merge queue onhttps://cwiki.apache.org/confluence/display/Hive/Hive+0.13+release+statusIt is a relatively simple OOM safety patch to vectorized group-by.Te...
   Author: Gopal V, 2014-03-10, 22:55
[HIVE-6524] Update ORC Filedump stripe sizes to match the memory manager changes - Hive - [issue]
...The MemoryManager in ORC now resets to default whenever we close all open writers. This results in consistent (but different from test golden) stripe sizes for all files being written.Fix th...
http://issues.apache.org/jira/browse/HIVE-6524    Author: Gopal V, 2014-02-28, 21:18
[HIVE-6347] ZeroCopy read path for ORC RecordReader - Hive - [issue]
...ORC can use the new HDFS Caching APIs and the ZeroCopy readers to avoid extra data copies into memory while scanning files.Implement ORC zcr codepath and a hive.orc.zerocopy flag....
http://issues.apache.org/jira/browse/HIVE-6347    Author: Gopal V, 2014-02-26, 08:51
Re: Review Request 17634: ZeroCopy and Direct ByteBuffer decompression for ORC files - Hive - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/17634/(Updated Feb. 26, 2014, 7:28 a.m.)Review request for hive, Gunther Hagleitner, Owen O'Malley, an...
   Author: Gopal V, 2014-02-26, 07:28
[HIVE-5169] Sorted Bucketed Partitioned Insert does not sort by dynamic partition column causing reducer OOMs/lease-expiry errors - Hive - [issue]
...When a bulk-ETL operation is in progress, the query plan only sorts based on the SORTED BY key.This means that the FileSinkOperator in the reducer has to keep all the dynamic partition Recor...
http://issues.apache.org/jira/browse/HIVE-5169    Author: Gopal V, 2014-02-18, 02:37
[HIVE-6218] Stats for row-count not getting updated with Tez insert + dbclass=counter - Hive - [issue]
...Inserting data into hive with Tez,  the stats on row-count is not getting updated when using the counter dbclass.To reproduce, run "ANALYZE TABLE store_sales COMPUTE STATISTICS;" with t...
http://issues.apache.org/jira/browse/HIVE-6218    Author: Gopal V, 2014-02-12, 05:21
[HIVE-6320] Row-based ORC reader with PPD turned on dies on BufferUnderFlowException - Hive - [issue]
...ORC data reader crashes out on a BufferUnderflowException, while trying to read data row-by-row with the predicate push-down enabled on current trunk.Caused by: java.nio.BufferUnderflowExcep...
http://issues.apache.org/jira/browse/HIVE-6320    Author: Gopal V, 2014-02-06, 00:49
[HIVE-6346] Add Hadoop-2.4.0 shims to hive-tez - Hive - [issue]
...The HadoopShims needs new shim functions to add extra HDFS Caching functionality which is not available in 2.2.0 branch....
http://issues.apache.org/jira/browse/HIVE-6346    Author: Gopal V, 2014-02-05, 00:15
Re: Review Request 17632: HDFS ZeroCopy Shims for Hive - Hive - [mail # dev]
...-----------------------------------------------------------This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/17632/-------------------------------------...
   Author: Gopal V, 2014-02-04, 06:11
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