cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jonathan Ellis <>
Subject Re: Best strategy for adding new nodes to the cluster
Date Mon, 27 Sep 2010 16:09:14 GMT
I strongly recommend not running live on Small nodes.  So in your case
I would recommend starting up Large instances with raid0'd disks, shut
down cassandra on the Small ones, rsync to the Large, and start up on

On Mon, Sep 27, 2010 at 6:46 AM, Utku Can Top├žu <> wrote:
> Hi All,
> We're currently running a cassandra cluster with Replication Factor 3,
> consisting of 4 nodes.
> The current situation is:
> - The nodes are all identical (AWS small instances)
> - Data directory is in the partition (/mnt) which has 150G capacity and each
> node has around 90 GB load, so 60 G free space per node is left.
> So adding a new node to the cluster will seem to cause problems for us. I
> think the node which will stream the data to the new bootstrapping node,
> will not have enough disk space for anticompacting its data.
> What should be the best practice for such scenarios?
> Regards,
> Utku

Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support

View raw message