hive turns speculative execution on and off

Others 2022-05-23 11:37:41 views: 0

hive enables speculative execution:

mapred.map.tasks.speculative.execution=true
mapred.reduce.tasks.speculative.execution=true
hive.mapred.reduce.tasks.speculative.execution=true;

hive turns off speculative execution:

http://www.bianceng.cn/database/extra/201501/47799.htm

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