I think the cassandra team did not re-implement their own GC. I guess what
they meant is the less heap being used, the better GC performance.
AFAIK, only data that is not been updated frequently can benefit from
off-heap row cache, because when a row is modified, the row inside cache
need be
this comment in JIRA mentions it
https://issues.apache.org/jira/browse/CASSANDRA-1969?focusedCommentId=12985038page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-12985038
but in the end, it's not immediately clear. could someone give a
summary of its advantages?
(if
