On Wed, May 13, 2015 at 4:37 AM, Peer, Oded <oded.p...@rsa.com> wrote:
> The cost of issuing an UPDATE that won’t update anything is compaction > overhead. Since you stated it’s rare for rows to be updated then the > overhead should be negligible. > It's also the cost of seeking into tables which contain the row fragment. UPDATE with identical timestamp is generally speaking an anti-pattern in log structured immutable storage; only acceptable if done very rarely... probably not if done every hour. =Rob