You can use memtable_flush_after_mins instead of the cron Shimi
2011/4/19 Héctor Izquierdo Seliva <izquie...@strands.com> > > 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! > > >> > > > > > > > > > > >
