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From Dmitry Sivachenko <trtrmi...@gmail.com>
Subject Re: distcp fails with "source and target differ in block-size"
Date Tue, 24 May 2016 16:55:28 GMT

> On 24 May 2016, at 19:53, Chris Nauroth <cnauroth@hortonworks.com> wrote:
> 
> Hello Dmitry,
> 
> To clarify, the intent of MAPREDUCE-5065 was to message the user that
> using different block sizes on source and destination might cause a
> failure to checksum mismatch.  The message to the user recommends either
> the -pb (preserve block size) or -skipCrc (skip checksum validation) as
> potential workarounds.  The intent of that patch was not to silently
> proceed and report success when the block sizes are different, although
> there was some discussion of that on the issue as a proposed solution.
> 
> To the best of my knowledge, this behavior hasn't really changed.  Only
> the messaging to the user has changed to advise on some potential
> workarounds.


Okay, sorry for misunderstanding, I thought the intention was to make checksum blocksize-independent
(which would be very intuitive).
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