Most partitions in our dataset span one or two SSTables at most.  But
there might be a few that span hundreds of SSTables.  If I located and
deleted them (partition-level tombstone), would this fix the issue?

Thanks,

Martin
On Mon, Sep 24, 2018 at 1:08 PM Jeff Jirsa <jji...@gmail.com> wrote:
>
>
>
>
> On Sep 24, 2018, at 3:47 AM, Oleksandr Shulgin <oleksandr.shul...@zalando.de> 
> wrote:
>
> On Mon, Sep 24, 2018 at 10:50 AM Jeff Jirsa <jji...@gmail.com> wrote:
>>
>> Do your partitions span time windows?
>
>
> Yes.
>
>
> The data structure used to know if data needs to be streamed (the merkle 
> tree) is only granular to - at best - a token, so even with subrange repair 
> if a byte is off, it’ll stream the whole partition, including parts of old 
> repaired sstables
>
> Incremental repair is smart enough not to diff or stream already repaired 
> data, the but the matrix of which versions allow subrange AND incremental 
> repair isn’t something I’ve memorized (I know it behaves the way you’d hope 
> in trunk/4.0 after Cassandra-9143)

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