"Does TTL also cause tombstones?" --> Yes, after the TTL expires, at the next compaction the TTLed column is replaced by a tombstone, as per my understanding
On Tue, Nov 8, 2016 at 3:32 PM, Ali Akhtar <ali.rac...@gmail.com> wrote: > Does TTL also cause tombstones? > > On Tue, Nov 8, 2016 at 6:57 PM, Vladimir Yudovin <vla...@winguzone.com> > wrote: > >> >The deletes will be done at a scheduled time, probably at the end of the >> day, each day. >> >> Probably you can use TTL? http://docs.datastax.com/en/cq >> l/3.1/cql/cql_using/use_expire_c.html >> >> Best regards, Vladimir Yudovin, >> >> *Winguzone <https://winguzone.com?from=list> - Hosted Cloud >> CassandraLaunch your cluster in minutes.* >> >> >> ---- On Tue, 08 Nov 2016 05:04:12 -0500*Ali Akhtar <ali.rac...@gmail.com >> <ali.rac...@gmail.com>>* wrote ---- >> >> I have a use case where a lot of updates and deletes to a table will be >> necessary. >> >> The deletes will be done at a scheduled time, probably at the end of the >> day, each day. >> >> Updates will be done throughout the day, as new data comes in. >> >> Are there any guidelines on improving cassandra's performance for this >> use case? Any caveats to be aware of? Any tips, like running nodetool >> repair every X days? >> >> Thanks. >> >> >> >
