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From Jonathan Ellis <>
Subject Re: Droping ColumnFamily in 0.6.x
Date Tue, 07 Sep 2010 18:21:39 GMT
I thought it went without saying that if you plan to drop a CF, you
should stop using it before you drop it.

On Tue, Sep 7, 2010 at 12:28 PM, Rob Coli <> wrote:
> On 9/7/10 10:09 AM, Jonathan Ellis wrote:
>> flush, stop server, remove the data files, start server
> As I understand it, there a race here where a new Memtable can be created
> before the server is stopped, unless you flush with "nodetool drain". This
> is relevant in some versions of 0.6.x (below 0.6.3? 0.6.4?) which will barf
> and deadlock on a commitlog containing a CF which is not (no longer) defined
> in storage-conf.xml. Versions after that just ignore that statement in the
> commitlog.
> =Rob

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

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