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[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
Re: [ANNOUNCE] New Hive Committers - Gopal Vijayaraghavan and Szehon Ho - Hive - [mail # dev]
...On 6/22/14, 8:42 PM, Carl Steinbach wrote:Thanks everyone! And congrats Szehon!Cheers,Gopal ...
   Author: Gopal V, 2014-06-23, 04:53
[HIVE-7236] Tez progress monitor should indicate running/failed tasks - Hive - [issue]
...Currently, the only logging in TezJobMonitor is for completed tasks. This makes it hard to locate task stalls and task failures. Failure scenarios are harder to debug, in particular when ana...
http://issues.apache.org/jira/browse/HIVE-7236    Author: Gopal V, 2014-06-21, 08:41
[HIVE-7204] Use NULL vertex location hint for Prewarm DAG vertices - Hive - [issue]
...The current 0.5.x branch of Tez added extra preconditions which check for parallelism settings to match between the number of containers and the vertex location hints.Caused by: org.apache.h...
http://issues.apache.org/jira/browse/HIVE-7204    Author: Gopal V, 2014-06-15, 03:28
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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