If you are doing a planned maintenance you can flush first as well ensuring the that the commit logs will not be as large.
On Sun, Feb 26, 2012 at 10:09 AM, Radim Kolar <h...@sendmail.cz> wrote: >> if a node goes down, it will take longer for commitlog replay. > > commit log replay time is insignificant. most time during node startup is > wasted on index sampling. Index sampling here runs for about 15 minutes.