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[HIVE-10047] LLAP: VectorMapJoinOperator gets an over-flow on batchSize of 1024 - Hive - [issue]
...Simple LLAP queries on constrained resources runs into an exception which suggests that the Caused by: java.lang.ArrayIndexOutOfBoundsException: 1024        at org.a...
http://issues.apache.org/jira/browse/HIVE-10047    Author: Gopal V, 2015-04-14, 22:31
[HIVE-10220] Disable all non-concurrent access to BytesBytesHashMap - Hive - [issue]
...HybridHashTableContainer can end up being cached if it does not spill - that needs to follow HIVE-10128 thread safety patterns for the partitioned hash maps....
http://issues.apache.org/jira/browse/HIVE-10220    Author: Gopal V, 2015-04-14, 22:31
[HIVE-10012] LLAP: Hive sessions run before Slider registers to YARN registry fail to launch - Hive - [issue]
...The LLAP YARN registry only registers entries after at least one daemon is up.Any Tez session starting before that will end up with an error listing zookeeper directories.2015-03-18 16:54:21...
http://issues.apache.org/jira/browse/HIVE-10012    Author: Gopal V, 2015-04-14, 22:07
[HIVE-10215] Large IN() clauses: deep hashCode performance during optimizer pass - Hive - [issue]
...The logical optimizer uses several maps and sets, which are exceeding expensive for large IN() clauses due to the fact that several part of the queries walk over the lists without short-circ...
http://issues.apache.org/jira/browse/HIVE-10215    Author: Gopal V, 2015-04-11, 09:20
[HIVE-10298] LLAP: Cache cleaner throws Negative sleep exception - Hive - [issue]
...2015-04-10 00:33:57,791 [org.apache.hadoop.util.JvmPauseMonitor$Monitor@5cee5251()] WARN org.apache.hadoop.util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of appro...
http://issues.apache.org/jira/browse/HIVE-10298    Author: Gopal V, 2015-04-10, 20:47
[HIVE-10286] SARGs: Type Safety via PredicateLeaf.type - Hive - [issue]
...The Sargs impl today converts the statsObj to the type of the predicate object before doing any comparisons.To satisfy the PPD requirements, the conversion has to be coerced to the type spec...
http://issues.apache.org/jira/browse/HIVE-10286    Author: Gopal V, 2015-04-09, 23:26
[HIVE-10221] PPD: Support Integer literals for ORC - Hive - [issue]
...HIVE-10172 fixes the performance regression, while the SearchArgument implementation should not be tied to the specifics of the format.The only source of incompatibility seems to be the expl...
http://issues.apache.org/jira/browse/HIVE-10221    Author: Gopal V, 2015-04-09, 04:45
[HIVE-10174] LLAP: ORC MemoryManager is singleton synchronized - Hive - [issue]
...ORC MemoryManager::addedRow() checks are bad for LLAP multi-threaded performance....
http://issues.apache.org/jira/browse/HIVE-10174    Author: Gopal V, 2015-04-08, 08:55
[HIVE-10158] LLAP: Varchar columns are not handled in encoded readers - Hive - [issue]
...ORC Varchar columns can't be read off the cacheCaused by: java.io.IOException: java.lang.ClassCastException: org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$VarcharTreeReader cannot be cas...
http://issues.apache.org/jira/browse/HIVE-10158    Author: Gopal V, 2015-04-08, 07:49
[HIVE-10219] BytesBytesMultiHashMap::clear() can't be concurrently used with reads - Hive - [issue]
...The semantics of the HashMap::clear() is unclear for concurrent access.With HIVE-10128 fixes, the only remaining thread-safety concern is the behaviour of clear() calls.Concurrent usage + cl...
http://issues.apache.org/jira/browse/HIVE-10219    Author: Gopal V, 2015-04-07, 20:01
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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