You should always sync your host clocks. Clients provide timestamp but for the server gc_grace and ttl columns can have issues if server clocks are not correct.
On Sunday, July 24, 2011, 魏金仙 <sei_...@126.com> wrote: > hi all, > I'm launching a cassandra cluster with 30 nodes. I wonder whether the inconsistency of host clocks will influence the performance of cluster. > Thanks! > >
