On Tue, Aug 17, 2010 at 2:49 PM, Jonathan Ellis <jbel...@gmail.com> wrote: > It doesn't have to be disconnected more than GC grace seconds to cause > what you are seeing, it just has to be disconnected at all (thus > missing delete commands). > > Thus you need to be running repair more often than gcgrace, or > confident that read repair will handle it for you (which clearly is > not the case for you :). see > http://wiki.apache.org/cassandra/Operations
FWIW, the docs there say: "Remember though that if a node is down longer than your configured GCGraceSeconds (default: 10 days), it could have missed remove operations permanently" So that's probably a source of misunderstanding.
