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[HIVE-7266] Optimized HashTable with vectorized map-joins results in String columns extending - Hive - [issue]
...The following query returns different results when both vectorized mapjoin and the new optimized hashtable are enabled.hive> set hive.vectorized.execution.enabled=false;hive> select s_...
http://issues.apache.org/jira/browse/HIVE-7266    Author: Gopal V, 2014-07-24, 23:50
[HIVE-7397] Set the default threshold for fetch task conversion to 1Gb - Hive - [issue]
...Currently, modifying the value of hive.fetch.task.conversion to "more" results in a dangerous setting where small scale queries function, but large scale queries crash.This occurs because th...
http://issues.apache.org/jira/browse/HIVE-7397    Author: Gopal V, 2014-07-23, 20:11
[HIVE-7428] OrcSplit fails to account for columnar projections in its size estimates - Hive - [issue]
...Currently, ORC generates splits based on stripe offset + stripe length.This means that the splits for all columnar projections are exactly the same size, despite reading the footer which giv...
http://issues.apache.org/jira/browse/HIVE-7428    Author: Gopal V, 2014-07-16, 18:44
[HIVE-7402] add `approx_distinct` & composable nDV UDAFs - Hive - [issue]
...Build composable approximate distinct UDAFs into hive.This is useful for approximate queries, particularly for collapsing partial nDV values whenever a partition is added.hive> select app...
http://issues.apache.org/jira/browse/HIVE-7402    Author: Gopal V, 2014-07-14, 22:34
[HIVE-7394] ORC writer logging fails when the padding is < 0.01 - Hive - [issue]
...Currently ORC inserts logs the padding fraction.The log line throws a format exception when padding is too small....
http://issues.apache.org/jira/browse/HIVE-7394    Author: Gopal V, 2014-07-14, 04:38
[HIVE-7359] Stats based compute query replies fail to do simple column transforms - Hive - [issue]
...The following two queries return the same answer (the second one is incorrect)hive> set hive.compute.query.using.stats=true;hive> select count(1) from trips;OK187271461Time taken: 0.17...
http://issues.apache.org/jira/browse/HIVE-7359    Author: Gopal V, 2014-07-07, 23:42
[HIVE-7302] Allow Auto-reducer parallelism to be turned off by a logical optimizer - Hive - [issue]
...Auto reducer parallelism cannot be used for cases where a custom routing VertexManager is used.Allow a tri-state for ReduceSinkDesc::isAutoParallel to allow "allow, disable, unset" mechanics...
http://issues.apache.org/jira/browse/HIVE-7302    Author: Gopal V, 2014-06-28, 22:54
[HIVE-7232] VectorReduceSink is emitting incorrect JOIN keys - Hive - [issue]
...After HIVE-7121, tpc-h query5 has resulted in incorrect results.Thanks to Navis, it has been tracked down to the auto-parallel settings which were initialized for ReduceSinkOperator, but not...
http://issues.apache.org/jira/browse/HIVE-7232    Author: Gopal V, 2014-06-27, 03:17
[HIVE-7293] Hive-trunk does not build against JDK8 with generic class checks - Hive - [issue]
...The current build and tests on my laptop are failing due to generic argument mismatch errors.hive-trunk/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFOPGreaterThan.java:[46,82]...
http://issues.apache.org/jira/browse/HIVE-7293    Author: Gopal V, 2014-06-25, 21:27
[HIVE-7265] BINARY columns use BytesWritable::getBytes() without ::getLength() - Hive - [issue]
...The Text conversion for BINARY columns does     case BINARY:        t.set(((BinaryObjectInspector) inputOI).getPrimitiveWritableObject(input).getBytes...
http://issues.apache.org/jira/browse/HIVE-7265    Author: Gopal V, 2014-06-23, 10:56
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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