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, Daegyu
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