+1 On Thu, Oct 1, 2026 at 07:44 Jaydeep Chovatia <[email protected]> wrote:
> +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 >> >
