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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Lost data which succeeded to insert right before server was down
Date Sat, 07 Aug 2010 01:00:55 GMT
did you check the log on 3 for exceptions?

On Fri, Aug 6, 2010 at 7:10 PM, Ken Matsumoto <ken@nri.com> wrote:
> Hi all,
>
> I'm now checking reliability when inserting.
>
> I set one cluster of 3 nodes with replication factor 2 and
> OrderPreservingPartitioner.
> I insert data (A,B,C in this order) with consistency level ONE to node No.3.
> I immediately shut off (turn off N/W I/F)node No.3 right after inserting
> data A (i.e. on the way of inserting B) is done so that data B would fail.
>
> Of course I get no result when I throw GET the data B to node No.1 & No.2
> But, surprisingly , I get even no result when I throw GET the data A (Not B)
> to node No.1 & No.2.
> So I turn up node No.3. I check that the commit log has the entry of the
> insert data A.
> But I get no result as well when I throw GET the data to all node, even to
> No.3.
>
> Same result after "nodetool repair".Even commitlog has the insert entry of
> data A.
> The data A on the commit log hasn't been copied to memtable since then.
>
> Is that working correctly?
>
> Regards,
>
> Ken.
>
> --
> Ken Matsumoto
> VP / Research & Development
> Nomura Research Institute America, Inc.
> NRI Pacific
> 1400 Fashion Island Blvd., Suite 1010
> San Mateo, CA 94404, U.S.A.
>
> PLEASE READ´╝ÜThis e-mail is confidential and intended for the named recipient
> only. If you are not an intended recipient, please notify the sender and
> delete this e-mail.
>
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com

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