I think ZK isn't the best possible storage for statistics. A separate stats table may be better solution.
-Mikhail 2014-09-04 15:48 GMT-07:00 Michael Segel <[email protected]>: > So suppose I want to capture metadata about a table across all of the > regions for that table. > > Has anyone used a coprocessor to capture a region’s statistics and push > them up to ZK where its stored by (table, region, <metadata object>) and > then a table wide value is also stored based on a computational update? > > So if I wanted to store the row counts for each region of a table, each > region would update its record in ZK on each insert / delete (can you > easily remove a tombstone?) and then update the computational value? > (Assuming you could lock those values for a short enough time to do the > quick computation. If not, then it can be computed on the fly) > > Has this been done? > > Thoughts? > > -- Thanks, Michael Antonov
