How to solve Unexpected EOS from the reader?

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How to solve Unexpected EOS from the reader?

Daegyu Han
Hi all,

I have tried using TestDFSIO -read, but I have an error and can not resolve it.

The environment I have experimented with is as follows.
Four data nodes and one name node, and a block size of 512MB, and I
wrote 128 files by using TestDFSIO.

I tried to adjust various parameters, but the problem can not be solved.

Why does reading a lot of files cause problems when there are no
problems reading small files?

Errors that occur in attachments are generated in the middle of the map task.

Thank you,

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