On Sun, Sep 28, 2014 at 9:49 AM, Arthur Zubarev <arthur.zuba...@aol.com> wrote: > > There are 200+ times more updates and 50x inserts than analytical loads. > In Cassandra to just be able to query (in CQL) on a column I have to have > an index, the question is what tall the fragmentation coming from the > frequent updates and inserts has on a CF? Do I also need to manually > defrug? >
You have appeared to have just asked if maintaing indexes which have a high rate of change in a log structured database with immutable data files is likely to be more performant than maintaining them in a database with modify-in-place semantics. "No." =Rob
