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From lisendong <>
Subject how to clean shuffle write each iteration
Date Tue, 03 Mar 2015 06:33:20 GMT
I 'm using spark als.

I set the iteration number to 30.

And in each iteration, tasks will produce nearly 1TB shuffle write.

To my surprise, this shuffle data will not be cleaned until the total job
finished, which means, I need 30TB disk to store the shuffle data.

I think after each iteration, we can delete the shuffle data before current
iteration, right?

how to do this?

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