if there is a meaningful limit to document export and remaining records are smaller than batch size, use batch with appropriate size
RavenDB-2450 HTML 5 - Map/Reduce visualizer
Merge branch 'RavenDB_2450' of https://github.com/ml054/ravendb
Merge branch 'RavenDB-2509' of https://github.com/myarichuk/ravendb