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[HIVE-4807] Hive metastore hangs - Hive - [issue]
...Hive metastore hangs (does not accept any new connections) due to a bug in DBCP. The root cause analysis is here https://issues.apache.org/jira/browse/DBCP-398.  The fix is to change Hi...
http://issues.apache.org/jira/browse/HIVE-4807    Author: Sarvesh Sakalanaga, 2014-01-06, 09:43
[HIVE-4480] Implement partition support for vectorized query execution - Hive - [issue]
...Add support for eager deserialization of row data using serde in the RecordReader layer. Also add support for partitions in this layer so that the vectorized batch is populated correctly....
http://issues.apache.org/jira/browse/HIVE-4480    Author: Sarvesh Sakalanaga, 2013-10-23, 22:59
[HIVE-4769] Vectorized ORC reader does not handle absence of column present stream correctly. - Hive - [issue]
...If the present stream is not present for a column then by design all the rows are present for that column. Currently ORC vectorized reader does initialize the IsNull vector correctly in this...
http://issues.apache.org/jira/browse/HIVE-4769    Author: Sarvesh Sakalanaga, 2013-10-23, 22:59
[HIVE-4552] Vectorized RecordReader for ORC does not set the ColumnVector.IsRepeating correctly - Hive - [issue]
...IsRepeating flag in ColumnVector is being set incorrectly by ORC RecordReader(RecordReaderImpl.java) and as such wrong results are being written by VectorFileSinkOperator....
http://issues.apache.org/jira/browse/HIVE-4552    Author: Sarvesh Sakalanaga, 2013-10-23, 22:59
[HIVE-4706] Query on Table with partition columns fail with AlreadyBeingCreatedException - Hive - [issue]
...Table with partition columns fail will AlreadyBeingCreatedException when CombineHiveInputFormat is uses. Below is the exception stack2013-06-07 16:38:51,098 ERROR org.apache.hadoop.security....
http://issues.apache.org/jira/browse/HIVE-4706    Author: Sarvesh Sakalanaga, 2013-10-23, 22:59
[HIVE-4846] Implement Vectorized Limit Operator - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-4846    Author: Sarvesh Sakalanaga, 2013-10-11, 14:18
[HIVE-4909] Vectorized ORC reader does not set isRepeating flag correctly when 1’s are present is the input stream - Hive - [issue]
...As the default value for nulls in Vectorization for int types is 1, and as non-null values can also be 1, the isRepeating logic should also check for IsNull flag when determining the isRepea...
http://issues.apache.org/jira/browse/HIVE-4909    Author: Sarvesh Sakalanaga, 2013-07-23, 19:58
[HIVE-4544] VectorizedRowBatchCtx::CreateVectorizedRowBatch should create only the projected columns and not all columns - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-4544    Author: Sarvesh Sakalanaga, 2013-07-01, 23:19
[HIVE-4727] Optimize ORC StringTreeReader::nextVector to not create dictionary of strings for each call to nextVector - Hive - [issue]
...Currently ORC StringTreeReader::nextVector creates dictionary of strings for each call to nextVector. This leads to bad perf as there is huge memory allocation and deallocation on each call....
http://issues.apache.org/jira/browse/HIVE-4727    Author: Sarvesh Sakalanaga, 2013-06-13, 20:38
[HIVE-4656] Implement vectorized text reader to read vectorized data from Text file - Hive - [issue]
...Input format and vectorized serde implementation for Text file....
http://issues.apache.org/jira/browse/HIVE-4656    Author: Sarvesh Sakalanaga, 2013-06-04, 22:54
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