If it would be configurable per table/cf that would be another story. One could then have smaller, hot table still use the block cache and have larger not-so-tables use the off heap cache; and thus we'd be able to make use of RAM sizes of 128gb or more.
If it would be configurable per table/cf that would be another story. One could then have smaller, hot table still use the block cache and have larger not-so-tables use the off heap cache; and thus we'd be able to make use of RAM sizes of 128gb or more.