+1

On Tue, Sep 29, 2026, at 6:16 AM, Brandon Williams wrote:
> +1
>
> Kind Regards,
> Brandon
>
> On Mon, Sep 28, 2026 at 3:41 PM Chris Lohfink <[email protected]> wrote:
>>
>> I'd like to call a vote on CEP-66: Zero-copy SSTable splitting.
>>
>> The proposal splits eligible compressed SSTables by reusing their encoded 
>> compression chunks and rebuilding the child components, avoiding a row 
>> rewrite. It starts with an opt-in sstablesplit --zero-copy mode for split 
>> tool and BIG-format SSTables on Cassandra 7.0/trunk. Reflinks provide an 
>> additional optimization where supported; otherwise, Cassandra copies the 
>> encoded bytes. Follow-up incremental phases cover Spark support, 
>> anticompaction, BTI, 2i, and partial-range zero copy streaming.
>>
>> The discussion covered the new SSTable format, compatibility, reflink 
>> complexity, and digest generation. The proposal and discussion are here:
>>
>> Proposal:
>> https://cwiki.apache.org/confluence/spaces/CASSANDRA/pages/451972773/draft+CEP-66+Zero-copy+SSTable+splitting
>>
>> Discussion:
>> https://lists.apache.org/thread/sjqbv0m451kqopms8whymgwbrr2v16tw
>>
>> Please cast your vote in this thread. The vote will remain open for at least 
>> 72 hours, longer if needed. Per the CEP process, adoption requires three 
>> binding +1 votes and no binding vetoes.
>>
>> Thanks,
>> Chris

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