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[HIVE-10565] LLAP: Native Vector Map Join doesn't handle filtering and matching on LEFT OUTER JOIN repeated key correctly - Hive - [issue]
...Filtering can knock out some of the rows for a repeated key, but those knocked out rows need to be included in the LEFT OUTER JOIN result and are currently not when only some rows are filter...
http://issues.apache.org/jira/browse/HIVE-10565    Author: Matt McCline, 2015-05-05, 07:34
[HIVE-10520] LLAP: Must reset small table result columns for Native Vectorization of Map Join - Hive - [issue]
...Scratch columns not getting reset by input source, so native vector map join operators must manually reset small table result columns....
http://issues.apache.org/jira/browse/HIVE-10520    Author: Matt McCline, 2015-05-01, 05:34
[HIVE-10566] LLAP: Vector row extraction allocates new extractors per process method call instead of just once - Hive - [issue]
...Extractors for unused columns (common for tables with many columns) are created for each batch instead of just once....
http://issues.apache.org/jira/browse/HIVE-10566    Author: Matt McCline, 2015-05-01, 01:17
[HIVE-10450] More than one TableScan in MapWork not supported in Vectorization -- causes  query to fail during vectorization - Hive - [issue]
...Gopal V found a error with this query:explain select        s_state, count(1) from store_sales, store, date_dim where store_sales.ss_sold_date_sk...
http://issues.apache.org/jira/browse/HIVE-10450    Author: Matt McCline, 2015-04-28, 23:21
[HIVE-9824] LLAP: Native Vectorization of Map Join - Hive - [issue]
...Today's VectorMapJoinOperator is a pass-through that converts each row from a vectorized row batch in a Java Object[] row and passes it to the MapJoinOperator superclass.This enhancement cre...
http://issues.apache.org/jira/browse/HIVE-9824    Author: Matt McCline, 2015-04-23, 00:58
[HIVE-10449] LLAP: Make new fast hash table for Native Vector Map Join work with Hybrid Grace - Hive - [issue]
...Today only the ~vector.mapjoin.optimized hash table – which is a thin shell over MapJoinBytesTableContainer / HybridHashTableContainer and BytesBytesMutliHashMap – is Hybrid Grac...
http://issues.apache.org/jira/browse/HIVE-10449    Author: Matt McCline, 2015-04-22, 23:02
[HIVE-10448] LLAP: Consider replacing BytesBytesMultiHashMap with new fast hash table code of Native Vector Map Join - Hive - [issue]
...Sergey Shelukhin observed that the new fast hash table code developed for Native Vector Map Join uses many of the same concepts as BytesBytesMultiHashMap can could be considered a v2 replace...
http://issues.apache.org/jira/browse/HIVE-10448    Author: Matt McCline, 2015-04-22, 22:58
[HIVE-9937] LLAP: Vectorized Field-By-Field Serialize / Deserialize to support new Vectorized Map Join - Hive - [issue]
...This patch is the ground work for upcoming native Vector Map Join.  It has field-by-field serialize / deserialize support that native Vector Map Join will use to serialize map join keys...
http://issues.apache.org/jira/browse/HIVE-9937    Author: Matt McCline, 2015-04-14, 03:01
[HIVE-10230] Vectorization: Look at performance of VectorExpressionWriterFactory and its use of DateWritable.daysToMillis - Hive - [issue]
...Gopal V found that DateWritable code in VectorExpressionWriterFactory showing up in hot-code paths from vectorization.  Probably slowness where it calls ZoneInfo::getOffset....
http://issues.apache.org/jira/browse/HIVE-10230    Author: Matt McCline, 2015-04-06, 23:34
[HIVE-9985] Vectorization: NPE for added columns in ORC non-partitioned tables - Hive - [issue]
...If you add STRING columns to a non-partitioned table (ORC format) and try to read the added STRING column using vectorization, you will get a NullPointerException....
http://issues.apache.org/jira/browse/HIVE-9985    Author: Matt McCline, 2015-03-17, 09:11
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB