Check out the MinCombiner https://github.com/apache/accumulo/blob/master/core/src/main/java/org/apache/accumulo/core/iterators/user/MinCombiner.java
On Mon, Apr 27, 2015 at 12:19 PM, vaibhav thapliyal < vaibhav.thapliyal...@gmail.com> wrote: > Hello everyone. > > I am trying to carry out max and min kind of operations using accumulo. > > But since the Accumulo iterators only operate on the entries that are > lovally hosted I get the local max and local min of the instead of a global > max and min. > > To get this global max and min, I have to calculate this client side. I > want to ask if there is some way to store this local max and min in memory > using iterator. So that a global max and min can be calculated server side > only. > > I tried to this by writing the result in another table and using another > iterator to return me the global max and min. > > I want to ask if there if a way to store this in memory so as to avoid > writing it to a table? > > Thanks > Vaibhav >