Speculative Execution in Hadoop

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What do you know about the Speculative Execution?
Aug 27, 2018 in Big Data Hadoop by Ashish
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In Hadoop, Speculative Execution is a process that takes place during the slower execution of a task at a node. In this process, the master node starts executing another instance of that same task on the other node. And the task which is finished first is accepted and the execution of other is stopped by killing that.

answered Aug 27, 2018 by kurt_cobain
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