Check intravert on github. I am working t get many of those features into cassandra.
On Thursday, February 27, 2014, Brandon Williams <dri...@gmail.com> wrote: > A few: > > https://issues.apache.org/jira/browse/CASSANDRA-4914 > > https://issues.apache.org/jira/browse/CASSANDRA-5184 > > https://issues.apache.org/jira/browse/CASSANDRA-6704 > > https://issues.apache.org/jira/browse/CASSANDRA-6167 > > > > On Thu, Feb 27, 2014 at 7:50 AM, David Semeria <da...@lmframework.com >wrote: > >> Hi List, >> >> I was wondering whether there have been any past proposals for >> implementing node side processing (NSP) in C*. By NSP, I mean the passing a >> reference to a Java class which would then process the result set before it >> being returned to the client. >> >> In our particular use case our clients typically loop through result sets >> of a million or more rows to produce a tiny amount of output (sums, means, >> variance, etc). The bottleneck -- quite obviously -- is the need to >> transfer a million rows to the client before processing can take place. It >> would be extremely useful to execute this processing on the coordinator >> node and only transfer the results to the client. >> >> I mention this here because I can imagine other C* users having similar >> requirements. >> >> Thanks >> >> D. >> > -- Sorry this was sent from mobile. Will do less grammar and spell check than usual.
