Well... this is actually only true if your server times are perfectly in sync. The reality is if 1 server is 50ms ahead and 1 is 50 behind, your will actually end up with unpredictable results.
On Thu Feb 05 2015 at 4:22:43 PM Philip Thompson < philip.thomp...@datastax.com> wrote: > You are correct. If an overwrite occurs while the original is still in the > memtable, only the newest will be flushed to disk. > > On Thu, Feb 5, 2015 at 6:15 PM, Andreas Finke <andreas.fi...@solvians.com> > wrote: > >> Hi, >> >> we are currently writing the same column within a row multiple times >> (up to 10 times a second). I am familiar with the concept of tombstones in >> SSTables. My question is: I assume that in our case in most cases when a >> column gets overwritten it still resides in the memtable. So I assume for >> that particular case no tombstone is set but the column is replaced in >> memory and then the 'newest' version is flushed to disk. >> >> Is this assumption correct? Or Is writing the same column an an >> anti-pattern? >> >> I am thankful for any input. >> >> Regards >> Andi >> >> >
