Re: how 'diff' cluster.data-self-heal-algorithm works?

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On 06/07/2014 06:03 PM, david.zhang700@xxxxxxxxx wrote:
if cluster.data-self-heal-algorithm set to ‘diff’,just  copies to sinks only those blocks whose checksums don't match with those of source.
my questions:
1.how to know the block size?
2.blocks’ checksums was stored  when writing files or not stored and just need to be computed when self-healing?

Hi David,
The block size is fixed at 128KB. The checksums are not stored anywhere, they are just computed when healing.
-Ravi
Thank you!
 
Best Regards,
David


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