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[HIVE-9997] minor tweaks for bytes mapjoin hash table - Hive - [issue]
...From HIVE-7617...
http://issues.apache.org/jira/browse/HIVE-9997    Author: Sergey Shelukhin, 2015-03-19, 16:50
[HIVE-10013] NPE in LLAP logs in heartbeat - Hive - [issue]
...2015-03-18 17:28:37,559 [TezTaskRunner_attempt_1424502260528_1294_1_00_000025_0(container_222212222_1294_01_000026_sershe_20150318172752_5ce4647e-177c-4b1e-8dfa-462230735854:1_Map 1_25_0)] I...
http://issues.apache.org/jira/browse/HIVE-10013    Author: Sergey Shelukhin, 2015-03-19, 02:11
[HIVE-7617] optimize bytes mapjoin hash table read path wrt serialization, at least for common cases - Hive - [issue]
...BytesBytes has table stores keys in the byte array for compact representation, however that means that the straightforward implementation of lookups serializes lookup keys to byte arrays, wh...
http://issues.apache.org/jira/browse/HIVE-7617    Author: Sergey Shelukhin, 2015-03-17, 23:10
[HIVE-9729] LLAP: design and implement proper metadata cache - Hive - [issue]
...Simple approach: add external priorities to data cache, read metadata parts of orc file into it. Advantage: simple; consistent management (no need to coordinate sizes and eviction between da...
http://issues.apache.org/jira/browse/HIVE-9729    Author: Sergey Shelukhin, 2015-03-17, 17:58
[HIVE-9983] Vectorizer doesn't vectorize (1) partitions with different schema anywhere (2) any MapWork with >1 table scans in MR - Hive - [issue]
...For some test, tables are created as such:CREATE TABLE orc_llap_part(    csmallint SMALLINT,    cint INT,    cbigint BIGINT,    cf...
http://issues.apache.org/jira/browse/HIVE-9983    Author: Sergey Shelukhin, 2015-03-16, 22:52
[HIVE-9730] make sure logging is never called when not needed in perf-sensitive places - Hive - [issue]
...log4j logging has really inefficient serialization...
http://issues.apache.org/jira/browse/HIVE-9730    Author: Sergey Shelukhin, 2015-03-16, 18:58
[HIVE-9420] LLAP: separate decoding thread from read/uncompress thread - Hive - [issue]
...Right now reader is a callable that is dumped into threadpool, and all the data loading for one request happens on one thread (in parallel with operator pipeline).We might want to separate r...
http://issues.apache.org/jira/browse/HIVE-9420    Author: Sergey Shelukhin, 2015-03-10, 17:53
[HIVE-9892] various MSSQL upgrade scripts don't work - Hive - [issue]
...Issue with GO statement when run through schematool - it results in syntax error. the create if not exists logic for PART_COL_STATS wasn't workingNO PRECOMMIT TESTS...
http://issues.apache.org/jira/browse/HIVE-9892    Author: Sergey Shelukhin, 2015-03-09, 23:45
[HIVE-9758] LLAP: fix wrapinputformat for client/server; fix server init to use config - Hive - [issue]
...1) Null check right now prevents NPE when split generation tries to wrap input format and IO is not initialized.There should be a flag visible via interface somewhere that will allow us to c...
http://issues.apache.org/jira/browse/HIVE-9758    Author: Sergey Shelukhin, 2015-03-06, 22:27
[HIVE-9834] VectorGroupByOperator logs too much - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-9834    Author: Sergey Shelukhin, 2015-03-04, 02:43
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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