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From DuyHai Doan <doanduy...@gmail.com>
Subject Re: Migration from Cassandra 1.2.5 to Cassandra 2.0.8 with changed partitioner settings
Date Tue, 29 Jul 2014 12:42:10 GMT
Why don't you stay with random partitioner ?


On Tue, Jul 29, 2014 at 2:30 PM, tsi <thorsten.sinn@t-systems.com> wrote:

> We are planning to migrate data from a Cassandra 1.2.5 to a new Cassandra
> 2.0.8 cluster with changed partitioner settings (1.2.5:
> org.apache.cassandra.dht.RandomPartitioner,  2.0.8:
> org.apache.cassandra.dht.Murmur3Partitioner). Restoring a snapshot via
> BulkLoader fails with error message
> SSTableReader.java (line 233) Cannot open
> /opt/database/apache-cassandra/xxx: partitioner
> org.apache.cassandra.dht.RandomPartitioner does not match system
> partitioner
> org.apache.cassandra.dht.Murmur3Partitioner.
> When trying to use the cqlsh COPY command we get rpc_timeout errors on
> export (see also
>
> http://www.datastax.com/dev/blog/simple-data-importing-and-exporting-with-cassandra
> )
> and also TTL settings are not exported.
> So what's the proposed tool/solution for transfering/migrating data in this
> case?
>
>
>
> --
> View this message in context:
> http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Migration-from-Cassandra-1-2-5-to-Cassandra-2-0-8-with-changed-partitioner-settings-tp7596019.html
> Sent from the cassandra-user@incubator.apache.org mailing list archive at
> Nabble.com.
>

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