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 > >
