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[HIVE-9748] MetastoreDirectSql fails for zero partition queries - Hive - [issue]
...Metastore Direct SQL throws a SQL Exception 2015-02-21 00:29:00,238 WARN  [pool-3-thread-10]: metastore.ObjectStore (ObjectStore.java:handleDirectSqlError(2400)) - Direct SQL failedMeta...
http://issues.apache.org/jira/browse/HIVE-9748    Author: Gopal V, 2015-02-24, 00:57
[HIVE-9644] CASE comparison operator rotation optimization - Hive - [issue]
...Constant folding for queries don't kick in for some automatically generated query patterns which look like this.hive> explain select count(1) from store_sales where (case ss_sold_date whe...
http://issues.apache.org/jira/browse/HIVE-9644    Author: Gopal V, 2015-02-21, 07:28
[HIVE-9711] ORC Vectorization DoubleColumnVector.isRepeating=false if all entries are NaN - Hive - [issue]
...The isRepeating=true check uses Java equality, which results in NaN != NaN comparison operations.The noNulls case needs the current check folded into the previous loop, while the hasNulls ca...
http://issues.apache.org/jira/browse/HIVE-9711    Author: Gopal V, 2015-02-17, 21:56
[HIVE-9683] Hive metastore thrift client connections hang indefinitely - Hive - [issue]
...THRIFT-2788 fixed network-partition problems that affect Thrift client connections.Since hive-1.0 is on thrift-0.9.0 which is affected by the bug, a workaround can be applied to prevent inde...
http://issues.apache.org/jira/browse/HIVE-9683    Author: Gopal V, 2015-02-17, 19:16
[HIVE-8785] HiveServer2 LogDivertAppender should be more selective for beeline getLogs - Hive - [issue]
...A simple query run via beeline JDBC like explain select count(1) from testing.foo; produces 50 lines of output which looks like 0: jdbc:hive2://localhost:10002> explain select count(1) fr...
http://issues.apache.org/jira/browse/HIVE-8785    Author: Gopal V, 2015-02-17, 08:55
[HIVE-9645] Constant folding case NULL equality - Hive - [issue]
...Hive logical optimizer does not follow the Null scan codepath when encountering a NULL = 1;NULL = 1 is not evaluated as false in the constant propogation implementation.hive> explain sele...
http://issues.apache.org/jira/browse/HIVE-9645    Author: Gopal V, 2015-02-14, 09:11
[HIVE-9667] Disable ORC bloom filters for ORC v11 output-format - Hive - [issue]
...ORC column bloom filters should only be written if the file format is 0.12+.The older format should not write out the metadata streams for bloom filters....
http://issues.apache.org/jira/browse/HIVE-9667    Author: Gopal V, 2015-02-13, 09:32
[HIVE-9682] Use variable length blocks to store ORC stripes - Hive - [issue]
...HDFS-3689 is in hadoop-2.7 branch. This allows ORC to get 100% locality of stripes within a block without artificial data padding to prevent stripe splitting across blocks.This can be used i...
http://issues.apache.org/jira/browse/HIVE-9682    Author: Gopal V, 2015-02-13, 02:16
[HIVE-9593] ORC Reader should ignore unknown metadata streams - Hive - [issue]
...ORC readers should ignore metadata streams which are non-essential additions to the main data streams.This will include additional indices, histograms or anything we add as an optional strea...
http://issues.apache.org/jira/browse/HIVE-9593    Author: Gopal V, 2015-02-12, 00:04
[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, 2015-02-09, 09:27
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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