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From "frank luo (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-10773) MapJoinOperator times out on loading HashTable
Date Wed, 20 May 2015 21:56:00 GMT
frank luo created HIVE-10773:
--------------------------------

             Summary: MapJoinOperator times out on loading HashTable
                 Key: HIVE-10773
                 URL: https://issues.apache.org/jira/browse/HIVE-10773
             Project: Hive
          Issue Type: Bug
          Components: Query Processor
    Affects Versions: 0.14.0
            Reporter: frank luo


When running a map join, depends on data, it might timeout with last two lines in the log
as below. And when I do "set mapreduce.task.timeout=600000;", which is defaulted to 300000,
the query can go through fine. The size of hashtable file is roughly 400M. 

2015-05-20 13:27:03,237 INFO [main] org.apache.hadoop.hive.ql.exec.MapJoinOperator: *******
Load from HashTable for input file: hdfs://nameservice1/tmp/hive/jluo/2ee8914d-1cef-4af4-aac6-51f64d630346/hive_2015-05-20_13-13-35_335_1565066409090716856-1/-mr-10007/000000_0
2015-05-20 13:27:03,237 INFO [main] org.apache.hadoop.hive.ql.exec.MapJoinOperator: 	Load
back 1 hashtable file 
from tmp file uri:file:/data/12/hadoop/yarn/local/usercache/xxy/appcache/application_1430337284339_2087
/container_1430337284339_2087_01_000003/Stage-3.tar.gz/MapJoin-mapfile31--.hashtable 



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