El mié, 20-04-2011 a las 08:16 +1200, aaron morton escribió: > 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 >
I'm using 0.7.4. I have a file with all the row keys I have to delete (around 100 million) and I just go through the file and issue deletes through pelops. Should I manually issue flushes with a cron every x time? > 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! > >> > > > > >
