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[HIVE-10092] LLAP: improve how buffers are locked for split - Hive - [issue]
...Right now, for simplicity, entire split of decompressed buffers is locked in cache, in case some buffers are shared between RGs, to avoid dealing with situations where we uncompress some dat...
http://issues.apache.org/jira/browse/HIVE-10092    Author: Sergey Shelukhin, 2015-03-31, 23:30
[HIVE-10170] LLAP: general cache deadlock avoidance - Hive - [issue]
...See HIVE-10092. Even with improved locking it's good to have cache bypass that will prevent deadlocks where everyone locked part of their split, cannot yet release anything and cannot read a...
http://issues.apache.org/jira/browse/HIVE-10170    Author: Sergey Shelukhin, 2015-03-31, 23:20
[HIVE-10068] LLAP: adjust allocation after decompression - Hive - [issue]
...We don't know decompressed size of a compression buffer in ORC, all we know is the file-level compression buffer size. For many files, compression buffers can be smaller than that because of...
http://issues.apache.org/jira/browse/HIVE-10068    Author: Sergey Shelukhin, 2015-03-31, 20:04
[HIVE-10113] LLAP: reducers running in LLAP starve out map retries - Hive - [issue]
...When query 17 is run, some mappers from Map 1 currently fail (due to unwrap issue, and also due to  HIVE-10112).This query has 1000+ reducers; if they are ran in llap, they all queue up...
http://issues.apache.org/jira/browse/HIVE-10113    Author: Sergey Shelukhin, 2015-03-31, 02:48
[HIVE-10155] LLAP: switch to sensible cache policy - Hive - [issue]
...FIFO policy is currently the default. We can test LRFU one but there were concerns that it won't scale. One option is to implement a two-tier policy, FIFO/LRU for blocks referenced once, and...
http://issues.apache.org/jira/browse/HIVE-10155    Author: Sergey Shelukhin, 2015-03-31, 02:47
[HIVE-10101] LLAP: enable yourkit profiling of tasks - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-10101    Author: Sergey Shelukhin, 2015-03-31, 02:17
[HIVE-10112] LLAP: query 17 tasks fail due to mapjoin issue - Hive - [issue]
...2015-03-26 18:16:38,833 [TezTaskRunner_attempt_1424502260528_1696_1_07_000000_0(container_222212222_1696_01_000220_sershe_20150326181607_188ab263-0a13-4528-b778-c803f378640d:1_Map 1_0_0)] ER...
http://issues.apache.org/jira/browse/HIVE-10112    Author: Sergey Shelukhin, 2015-03-31, 02:16
[HIVE-10110] LLAP: port updates from HIVE-9555 to llap branch in preparation for trunk merge - Hive - [issue]
...Some stuff was updated based on CR feedback...
http://issues.apache.org/jira/browse/HIVE-10110    Author: Sergey Shelukhin, 2015-03-27, 02:10
[HIVE-10105] LLAP: implement stopping the reader thread - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-10105    Author: Sergey Shelukhin, 2015-03-26, 21:16
[HIVE-10067] LLAP: read file ID when generating splits to avoid extra NN call in the tasks - Hive - [issue]
http://issues.apache.org/jira/browse/HIVE-10067    Author: Sergey Shelukhin, 2015-03-25, 02:19
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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