There are 4+ implementations of CQL in addition to Apache Cassandra - the ones I can think of off the top of my head include DSE, Yugabyte, CosmosDB, and Scylla.
You'll want to define "popular". If by popular you mean "which implementation of CQL has the most installed servers", nobody knows for sure, but I would GUESS that it's either Apache Cassandra or CosmosDB potentially second (though it's hard to be sure how many of them use the CQL layer) in 1/2, DSE in third, and everyone else far, far, far behind (multiple orders of magnitude). If you mean popular as in "who shows up in news articles", well, that tends to favor people who have marketing budgets, which isn't going to be Apache Cassandra. The new DSE appears to be compatible with Cassandra, but you'd have to ask Datastax whether or not it's drop-in compatible (in the past it was, I suspect it still is). There continues to be active development on the project, much of it driven by large users rather than commercial vendors - this has the advantage that feature development tends to be focused around things people actually need, not things companies are likely to want to sell. Companies like Netflix, Instagram, and Uber all presented talks at the past NGCC (Next Generation Cassandra Conference) on features that matter to them, and we saw talks from Instaclustr (hosted cassandra-as-a-service) and Yahoo-JP on some current issues they see/face, so there continues to be an active community. I'm not personally worried about Cassandra's future path - the footprint is solid (and growing), the community doesn't have a loud advocate, but the active contributions are there. - Jeff On Wed, Jul 18, 2018 at 4:39 AM, Vitaliy Semochkin <vitaliy...@gmail.com> wrote: > Hi, > > Recently Cassandra eco system became very fragmented: > > Scylladb provides solution based on Cassandra wire protocol claiming > it is 10 times faster than Cassandra. > > Datastax provides it's own solution called DSE claiming it is twice > faster than Cassandra. > Also their site says "DataStax no longer supports the DataStax > Community version of Apache Cassandra™ or the DataStax Distribution of > Apache Cassandra™. > Is their new software incompatible with Cassandra? > Since Datastax used to be the major participant to Cassandra > development and now it looks it goes on is own way, what is going to > be with the Apache Cassandra? > If there are any other active participants in development? > > I'm also interested which distribution is the most popular at the > moment in production? > > Best Regards, > Vitaliy > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org > For additional commands, e-mail: user-h...@cassandra.apache.org > >
