Step 1: disable swap. 2011/4/5 Héctor Izquierdo Seliva <izquie...@strands.com>: > Update with more info: > > I'm still running into problems. Now I don't write more than 100 columns > at a time, and I'm having lots of Stop-the-world gc pauses. > > I'm writing into three column families, with memtable_operations = 0.3 > and memtable_throughput = 64. There is now swapping, and full GCs are taking > around 5 seconds. I'm running cassandra with a heap of 8 GB. Should I tune > this somehow? > > Is any of this wrong? >> >> > > -----Original Message----- >> > > From: Héctor Izquierdo Seliva [mailto:izquie...@strands.com] >> > > Sent: April-05-11 8:30 >> > > To: user@cassandra.apache.org >> > > Subject: batch_mutate failed: out of sequence response >> > > >> > > Hi everyone. I'm having trouble while inserting big amounts of data into >> > > cassandra. I'm getting this exception: >> > > >> > > batch_mutate failed: out of sequence response >> > > >> > > I'm gessing is due to very big mutates. I have made the batch mutates >> > > smaller and it seems to be behaving. Can somebody shed some light? >> > > >> > > Thanks! >> > > >> > > No virus found in this incoming message. >> > > Checked by AVG - www.avg.com >> > > Version: 9.0.894 / Virus Database: 271.1.1/3551 - Release Date: 04/05/11 >> > > 02:34:00 >> > > >> > >> > >> >> > > >
-- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com