Hello,

I'm seeing very odd numbers from the HDFS job tracker page. I have a job that operates over approximately 200 GB of data (209715200047 bytes to be exact), and HDFS bytes read is 2,103,170,802,501 (2 TB).

The "Map input bytes" is set to "209,714,811,510", which is a correct number.

The job only took 10 minutes to run, so there's no way that that much data was actually read. Anyone have any idea of what's going on here?

Thanks,
Nathan Marz

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