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[HIVE-4051] Hive's metastore suffers from 1+N queries when querying partitions & is slow - Hive - [issue]
...Hive's query client takes a long time to initialize & start planning queries because of delays in creating all the MTable/MPartition objects.For a hive db with 1800 partitions, the metas...
http://issues.apache.org/jira/browse/HIVE-4051    Author: Gopal V, 2014-03-25, 07:28
[HIVE-6369] ORC Writer (int RLE v2) fails with ArrayIndexOutOfBounds - Hive - [issue]
...The ORC writer for store_sales TPC-DS table fails with 2014-01-30 09:23:07,819 WARN [main] org.apache.hadoop.mapred.YarnChild: Exception running child : java.lang.ArrayIndexOutOfBoundsExcept...
http://issues.apache.org/jira/browse/HIVE-6369    Author: Gopal V, 2014-03-22, 06:31
[HIVE-6518] Add a GC canary to the VectorGroupByOperator to flush whenever a GC is triggered - Hive - [issue]
...The current VectorGroupByOperator implementation flushes the in-memory hashes when the maximum entries or fraction of memory is hit.This works for most cases, but there are some corner cases...
http://issues.apache.org/jira/browse/HIVE-6518    Author: Gopal V, 2014-03-17, 18:41
[HIVE-6654] SimpleFetchOptimizer ignores views - Hive - [issue]
...SimpleFetchOptimizer optimizes "select * from session_orc limit 1;"But when an alias view is created like "create view session as select * from session_orc";The simple fetch optimizer fails ...
http://issues.apache.org/jira/browse/HIVE-6654    Author: Gopal V, 2014-03-15, 14:40
Re: Timeline for the Hive 0.13 release? - Hive - [mail # dev]
...Can I add HIVE-6518 as well to the merge queue onhttps://cwiki.apache.org/confluence/display/Hive/Hive+0.13+release+statusIt is a relatively simple OOM safety patch to vectorized group-by.Te...
   Author: Gopal V, 2014-03-10, 22:55
[HIVE-6524] Update ORC Filedump stripe sizes to match the memory manager changes - Hive - [issue]
...The MemoryManager in ORC now resets to default whenever we close all open writers. This results in consistent (but different from test golden) stripe sizes for all files being written.Fix th...
http://issues.apache.org/jira/browse/HIVE-6524    Author: Gopal V, 2014-02-28, 21:18
[HIVE-5169] Sorted Bucketed Partitioned Insert does not sort by dynamic partition column causing reducer OOMs/lease-expiry errors - Hive - [issue]
...When a bulk-ETL operation is in progress, the query plan only sorts based on the SORTED BY key.This means that the FileSinkOperator in the reducer has to keep all the dynamic partition Recor...
http://issues.apache.org/jira/browse/HIVE-5169    Author: Gopal V, 2014-02-18, 02:37
[HIVE-6218] Stats for row-count not getting updated with Tez insert + dbclass=counter - Hive - [issue]
...Inserting data into hive with Tez,  the stats on row-count is not getting updated when using the counter dbclass.To reproduce, run "ANALYZE TABLE store_sales COMPUTE STATISTICS;" with t...
http://issues.apache.org/jira/browse/HIVE-6218    Author: Gopal V, 2014-02-12, 05:21
[HIVE-6346] Add Hadoop-2.4.0 shims to hive-tez - Hive - [issue]
...The HadoopShims needs new shim functions to add extra HDFS Caching functionality which is not available in 2.2.0 branch....
http://issues.apache.org/jira/browse/HIVE-6346    Author: Gopal V, 2014-02-05, 00:15
[HIVE-6247] select count(distinct) should be MRR in Tez - Hive - [issue]
...The MR query plan for "select count(distinct) " fires off multiple reducers, with a local work task to perform final aggregation.The Tez version fires off exactly 1 reducer for the entire da...
http://issues.apache.org/jira/browse/HIVE-6247    Author: Gopal V, 2014-02-03, 23:09
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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