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[HIVE-9278] Cached expression feature broken in one case - Hive - [issue]
...Different query result depending on whether hive.cache.expr.evaluation is true or false.  When true, no query results are produced (this is wrong).The q file:set hive.cache.expr.evaluat...
http://issues.apache.org/jira/browse/HIVE-9278    Author: Matt McCline, 2015-01-28, 02:00
[HIVE-9371] Execution error for Parquet table and GROUP BY involving CHAR data type - Hive - [issue]
...Query fails involving PARQUET table format, CHAR data type, and GROUP BY.Probably also fails for VARCHAR, too.Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.ClassCast...
http://issues.apache.org/jira/browse/HIVE-9371    Author: Matt McCline, 2015-01-26, 06:17
[HIVE-9235] Turn off Parquet Vectorization until all data types work: DECIMAL, DATE, TIMESTAMP, CHAR, and VARCHAR - Hive - [issue]
...Title was: Make Parquet Vectorization of these data types work: DECIMAL, DATE, TIMESTAMP, CHAR, and VARCHARSupport for doing vector column assign is missing for some data types....
http://issues.apache.org/jira/browse/HIVE-9235    Author: Matt McCline, 2015-01-23, 19:40
[HIVE-8052] Vectorization: min() on TimeStamp datatype fails with error "Vector aggregate not implemented: min for type: TIMESTAMP" - Hive - [issue]
...Changes in HIVE-5760 to make explicit when timestamp and date can be vectorized as Long were accidentally to strict for min, max, count, etc....
http://issues.apache.org/jira/browse/HIVE-8052    Author: Matt McCline, 2015-01-21, 10:25
[HIVE-7405] Vectorize GROUP BY on the Reduce-Side (Part 1 – Basic) - Hive - [issue]
...Vectorize the basic case that does not have any count distinct aggregation.Add a 4th processing mode in VectorGroupByOperator for reduce where each input VectorizedRowBatch has only values f...
http://issues.apache.org/jira/browse/HIVE-7405    Author: Matt McCline, 2015-01-21, 10:18
[HIVE-9248] Vectorization : Tez Reduce vertex not getting vectorized when GROUP BY is Hash mode - Hive - [issue]
...Under Tez and Vectorization, ReduceWork not getting vectorized unless it GROUP BY operator is MergePartial.  Add valid cases where GROUP BY is Hash (and presumably there are downstream ...
http://issues.apache.org/jira/browse/HIVE-9248    Author: Matt McCline, 2015-01-15, 21:39
[HIVE-9249] java.lang.ClassCastException: org.apache.hadoop.hive.serde2.io.HiveVarcharWritable cannot be cast to org.apache.hadoop.hive.common.type.HiveVarchar when joining tables - Hive - [issue]
...VectorColumnAssignFactory doesn't handle HiveCharWritable / HiveVarcharWritable objects.Either:HiveVarcharWritable cannot be cast to ... HiveVarcharorHiveCharWritable cannot be cast to ... H...
http://issues.apache.org/jira/browse/HIVE-9249    Author: Matt McCline, 2015-01-09, 10:06
[HIVE-9250] Vectorization: One case of JOIN of CHAR/VARCHAR and STRING does not vectorize - Hive - [issue]
...Need an equivalent to a CastStringGroupToString2015-01-04 00:42:34,954 INFO  physical.Vectorizer (Vectorizer.java:validateExprNodeDesc(1200)) - Failed to vectorizeorg.apache.hadoop.hive...
http://issues.apache.org/jira/browse/HIVE-9250    Author: Matt McCline, 2015-01-04, 09:11
[HIVE-9168] Vectorized Coalesce for strings is broken - Hive - [issue]
...Vectorized Coalesce uses BytesColumnVector.setElement which does not set the output string length correctly.create table str_str_orc (str1 string, str2 string) stored as orc;insert into tabl...
http://issues.apache.org/jira/browse/HIVE-9168    Author: Matt McCline, 2014-12-24, 01:26
[HIVE-8866] Vectorization on partitioned table throws ArrayIndexOutOfBoundsException when partitions are not of same #of columns - Hive - [issue]
...Vectorization assumes partitions are of same number of columns, and takes upon # of columns on first read. consequent addPartitionColsToBatch throws ArrayIndexOutOfboundsException if the # c...
http://issues.apache.org/jira/browse/HIVE-8866    Author: Matt McCline, 2014-12-16, 02:43
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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