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From Jonathan Ellis <>
Subject Re: node won't leave
Date Sat, 06 Nov 2010 20:48:45 GMT
On Fri, Nov 5, 2010 at 8:03 PM, Chip Salzenberg <> wrote:
> In the below "nodetool ring" output, machine 18 was told to loadbalance over
> an hour ago.  It won't actually leave the ring.  When I first told it to
> loadbalance, the cluster was under heavy write load; I've turned off the
> write load, but the node won't actually leave, still.  Help?

What version is the cluster on?  Did any of the nodes log any dropped
messages?  Any other error or warning messages?

> (It also collected 3.6G of load even though automatic bootstrapping is
> disabled -- but this node had belonged to the cluster before, so maybe
> cleaning out /var/lib/cassandra/* wasn't enough to prevent the node from
> rejoining and taking data responsibility?)

Assuming that contains both commitlog and data directories, that
should do it.  You can tell by what it logs when it first starts up,
if it's asking other nodes to send it data.

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

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