Thanks for your reply, Blake
So what's your advise, as you say the incremental repair has some flaws, should 
i use it mixed with full repair or just run full repair only ?


At 2017-11-02 20:42:14, "Blake Eggleston" <> wrote:
Because in theory, corruption of your repaired dataset is possible, which 
incremental repair won’t fix. 

In practice pre-4.0 incremental repair has some flaws that can bring deleted 
data back to life in some cases, which this would address. 

You should also evaluate whether pre-4.0 incremental repair is saving you time. 
The same flaws can cause *a lot* of over streaming, which may negate the 
benefit of repairing only the unrepaired data.

On Nov 2, 2017, at 2:17 AM, dayu <> wrote:
So you means i am misleading by this statements. The full repair only needed 
when node failure + replacement, or adding a datacenter. right?

At 2017-11-02 15:54:49, "kurt greaves" <> wrote:

Where are you seeing this? If your incremental repairs work properly, full 
repair is only needed in certain situations, like after node failure + 
replacement, or adding a datacenter.


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