Hi folks, Any thoughts or feedback on this?
Thanks, Gerald On Mon, Sep 10, 2018 at 1:56 PM, Gerald Sangudi <gsang...@23andme.com> wrote: > Hello folks, > > We have a requirement for salting based on partial, rather than full, > rowkeys. My colleague Mike Polcari has identified the requirement and > proposed an approach. > > I found an already-open JIRA ticket for the same issue: > https://issues.apache.org/jira/browse/PHOENIX-4757. I can provide more > details from the proposal. > > The JIRA proposes a syntax of SALT_BUCKETS(col, ...) = N, whereas Mike > proposes SALT_COLUMN=col or SALT_COLUMNS=col, ... . > > The benefit at issue is that users gain more control over partitioning, > and this can be used to push some additional aggregations and hash joins > down to region servers. > > I would appreciate any go-ahead / thoughts / guidance / objections / > feedback. I'd like to be sure that the concept at least is not > objectionable. We would like to work on this and submit a patch down the > road. I'll also add a note to the JIRA ticket. > > Thanks, > Gerald > >
