I think their may be an issue here, we are counting the number of columns in the operation. When deleting an entire row we do not have a column count.
Can you let us know what version you are using and how you are doing the delete ? Thanks Aaron On 20 Apr 2011, at 04:21, Héctor Izquierdo Seliva wrote: > Ok, I've read about gc grace seconds, but i'm not sure I understand it > fully. Untill gc grace seconds have passed, and there is a compaction, > the tombstones live in memory? I have to delete 100 million rows and my > insert rate is very low, so I don't have a lot of compactions. What > should I do in this case? Lower the major compaction threshold and > memtable_operations to some very low number? > > Thanks > > El mar, 19-04-2011 a las 17:36 +0200, Héctor Izquierdo Seliva escribió: >> Hi everyone. I've configured in one of my column families >> memtable_operations = 0.02 and started deleting keys. I have already >> deleted 54k, but there hasn't been any flush of the memtable. Memory >> keeps pilling up and eventually nodes start to do stop-the-world GCs. Is >> this the way this is supposed to work or have I done something wrong? >> >> Thanks! >> > >
