llnw/cassandra_tools — pull request #8 by BrianGallew (2014-09-27 04:26:53+00:00)
Title: All hint querying has been removed due to

https://issues.apache.org/jira/browse/CASSANDRA-5746
tl;dr: not only is the hint-counting operation expensive, it can also
cause OOM because it does a full select on the system.hints table
without any paging.