On Tue, Sep 14, 2010 at 9:51 AM, Jeremiah Jordan <jeremiah.jor...@morningstar.com> wrote: > Is setting a value to ‘’ the same as deleting it in terms of disk space > being free’d?
no, you're saying "preserve that column X has an empty value, forever." > Will it still take gc_grace_seconds for the old data to be > removed from disk? No. (It will take until it happens to be obsoleted by compaction.) -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com
