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[HIVE-10156] SimpleFetchOptimizer - disable all threshold check for an unfiltered select - Hive - [issue]
...SimpleFetchOptimizer does not optimize simple projections without a filter on an extremely large table by skipping to the FetchTask with -1 limit....
http://issues.apache.org/jira/browse/HIVE-10156    Author: Gopal V, 2015-03-31, 04:39
[HIVE-10132] LLAP: Tez heartbeats are delayed by ~500+ ms due to Hadoop IPC client - Hive - [issue]
...HADOOP-11772 has a clearer bug report of the core issue inside hadoop-common.Due to the delayed heartbeats reaching the AM, the reducers are losing up-to a couple of seconds for a 60ms (x10 ...
http://issues.apache.org/jira/browse/HIVE-10132    Author: Gopal V, 2015-03-28, 06:01
[HIVE-9976] Possible race condition in DynamicPartitionPruner for <200ms tasks - Hive - [issue]
...Race condition in the DynamicPartitionPruner between DynamicPartitionPruner::processVertex() and DynamicPartitionpruner::addEvent() for tasks which respond with both the result and success i...
http://issues.apache.org/jira/browse/HIVE-9976    Author: Gopal V, 2015-03-26, 06:10
[HIVE-10075] LLAP: Object Estimator digs in via a deep hashCode() - Hive - [issue]
...LLAP ObjectEstimator started showing up in profiles, due to the fact that it does a deep hash-code while creating a hash-set of unique objects.Possibly replace HashSet with IdentityHashMap?...
http://issues.apache.org/jira/browse/HIVE-10075    Author: Gopal V, 2015-03-24, 23:27
[HIVE-9814] LLAP: JMX web-service end points for monitoring & metrics - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-9814    Author: Gopal V, 2015-03-20, 23:21
[HIVE-10011] LLAP: NegativeArraySize exception on vector string reader - Hive - [issue]
...With some logging, I confirmed that the String length vectors contained junk data & the length field is overflowing.Caused by: java.lang.NegativeArraySizeException    at o...
http://issues.apache.org/jira/browse/HIVE-10011    Author: Gopal V, 2015-03-19, 16:35
[HIVE-9979] LLAP: LLAP Cached readers for StringDirectTreeReaders over-read data - Hive - [issue]
...When the cache is enabled, queries throws different over-read exceptions.Looks like the batchSize changes as you read data, the end of stripe batchSize is smaller than the default size (the ...
http://issues.apache.org/jira/browse/HIVE-9979    Author: Gopal V, 2015-03-19, 16:35
[HIVE-9980] LLAP: Pass additional JVM args via Slider appConfig - Hive - [issue]
...For profiling, JMX remote ports and to attach debuggers to....
http://issues.apache.org/jira/browse/HIVE-9980    Author: Gopal V, 2015-03-18, 23:06
[HIVE-9986] LLAP: EOFException in reader - Hive - [issue]
...From HIVE-99792015-03-16 10:20:51,439 [pool-2-thread-3(container_222212222_1141_01_000192_gopal_20150316102020_c8c92488-6a61-401e-8298-401dace286dc:1_Map 1_191_0)] INFO org.apache.hadoop.hiv...
http://issues.apache.org/jira/browse/HIVE-9986    Author: Gopal V, 2015-03-18, 00:16
[HIVE-9978] LLAP: OrcColumnVectorProducer should handle reading isPresent columns only - Hive - [issue]
...LlapInputFormat does not understand the difference between empty columns list and null columns list.The empty columns list indicates no columns read except the root struct isPresent column, ...
http://issues.apache.org/jira/browse/HIVE-9978    Author: Gopal V, 2015-03-18, 00:16
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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