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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: batch_mutate failed: out of sequence response
Date Tue, 05 Apr 2011 18:35:11 GMT
Step 1: disable swap.

2011/4/5 Héctor Izquierdo Seliva <izquierdo@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:izquierdo@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

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