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[HIVE-10161] LLAP: ORC file contains compression buffers larger than bufferSize (OR reader has a bug) - Hive - [issue]
...The EncodedReaderImpl will die when reading from the cache, when reading data written by the regular ORC writer Caused by: java.io.IOException: java.lang.IllegalArgumentException: Buffer siz...
http://issues.apache.org/jira/browse/HIVE-10161    Author: Gopal V, 2015-04-07, 02:57
[HIVE-10163] CommonMergeJoinOperator calls WritableComparator.get() in the inner loop - Hive - [issue]
...The CommonMergeJoinOperator wastes CPU looking up the correct comparator for each WritableComparable in each row.@SuppressWarnings("rawtypes")  private int compareKeys(List<Obje...
http://issues.apache.org/jira/browse/HIVE-10163    Author: Gopal V, 2015-04-06, 19:43
[HIVE-10218] LLAP: Loglevel for daemons as a startup option - Hive - [issue]
...Accept hive --service llap --loglevel WARN as a startup option....
http://issues.apache.org/jira/browse/HIVE-10218    Author: Gopal V, 2015-04-06, 05:21
[HIVE-10128] BytesBytesMultiHashMap does not allow concurrent read-only access - Hive - [issue]
...The multi-threaded performance takes a serious hit when LLAP shares hashtables between the probe threads running in parallel. This is an explicit synchronized block inside ReusableRowContain...
http://issues.apache.org/jira/browse/HIVE-10128    Author: Gopal V, 2015-04-05, 08:12
[HIVE-10175] PartitionPruning lacks a fast-path exit for large IN() queries - Hive - [issue]
...TezCompiler::runDynamicPartitionPruning() & ppr.PartitionPruner() calls the graph walker even if all tables provided to the optimizer are unpartitioned (or temporary) tables.This makes i...
http://issues.apache.org/jira/browse/HIVE-10175    Author: Gopal V, 2015-04-03, 00:07
[HIVE-10162] LLAP: Avoid deserializing the plan > 1 times in a single thread - Hive - [issue]
...Kryo shows up in the critical hot-path for LLAP when using a plan with a very large filter condition, due to the fact that the plan is deserialized more than once for each task....
http://issues.apache.org/jira/browse/HIVE-10162    Author: Gopal V, 2015-04-02, 22:56
[HIVE-10103] LLAP: Cancelling tasks fails to stop cache filling threads - Hive - [issue]
...Running a bad query (~1Tb scan on a 1Gb cache) and killing the tasks via the container launcher fails to free up the cache filler threads.The cache filler threads with no consumers get stuck...
http://issues.apache.org/jira/browse/HIVE-10103    Author: Gopal V, 2015-04-01, 22:46
[HIVE-10082] LLAP: UnwrappedRowContainer throws exceptions - Hive - [issue]
...TPC-DS Query27 runs with map-joins enabled results in errors originating from these lines in UnwrappedRowContainer::unwrap()    for (int index : valueIndex) {     &n...
http://issues.apache.org/jira/browse/HIVE-10082    Author: Gopal V, 2015-04-01, 21:19
[HIVE-10081] LLAP: Make the low-level IO threadpool configurable - Hive - [issue]
...The LLAP low level reader thread-pool is hard-limited to 10-threads, which is not sufficient to max out the network bandwidth on a 10GigE network.These threads are often seen in IOWAIT, sinc...
http://issues.apache.org/jira/browse/HIVE-10081    Author: Gopal V, 2015-04-01, 04:20
[HIVE-10164] LLAP: ORC BIGINT SARGs regressed after Parquet PPD fixes (HIVE-8122) - Hive - [issue]
...HIVE-8122 seems to have introduced a toString() to the ORC PPD codepath for BIGINT.https://github.com/apache/hive/blob/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/sarg/SearchArgumentImpl....
http://issues.apache.org/jira/browse/HIVE-10164    Author: Gopal V, 2015-04-01, 01:58
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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