+1 On Wed, Sep 30, 2026 at 6:08 AM Joseph Lynch <[email protected]> wrote:
> +1 > > On Mon, Sep 28, 2026 at 4:41 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 >
