Delete using as few tombstones as possible (deleting the whole partition is better than deleting a row; deleting a range of rows is better than deleting many rows in a range).
Repair often and lower gc_grace_seconds so the tombstones can be collected more frequently -- Jeff Jirsa > On Jul 31, 2017, at 11:02 PM, Jing Meng <self.rel...@gmail.com> wrote: > > Hi there. > > > > We have a keyspace containing tons of records, and deletions are used as > enforced by its business logic. > > > As the data accumulates, we are suffering from performance penalty due to > tombstones, still confusing about what could be done to minimize the harm, or > shall we avoid any deletions and adapt our code? > > > FYI, if it’s concerned, we are using C* 2.1.18. > > > > Thanks for your urgent replying. > > >
