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From Tyler Hobbs <ty...@datastax.com>
Subject Re: HOW TO SET CONSISTENCY LEVEL FOR
Date Wed, 01 May 2013 20:11:56 GMT
sstableloader directly streams sstables to the correct replica nodes.  It
doesn't go through the normal coordinated write process, so consistency
levels do not apply.


On Wed, May 1, 2013 at 3:42 AM, Chandana Tummala <Chandana.tummala@wipro.com
> wrote:

> Hi All,
>
> Hi All,
>
> We have a requirement to load approximately 10 million records, each record
> with approximately 100 columns daily  and automatically . We are planning
> to
> use the Bulk-loader program to convert the data into SSTables and then load
> them using SSTABLELOADER.
>
> Everything is working fine when all nodes are up and running and the
> performance is very good. However, when a node is down, the streaming fails
> and the operation stops. We have to run the SSTABLELOADER with option 'I'
> to
> exclude the node that is down. I was wondering if we can enforce
> Consistency
> level of 'ANY' with SSTABLELOADER as well.
>
> i have tried with -i option but the progarm is automatic so finding a
> failure node and running again may decrease the performance .
>
>
> can any one suggest the best approach for the bulk loader program  without
> failing even one node is down.
>
>
> Environment:
>
> Cassandra 1.1.9.1  provided as part of DSE 3.0
> 8 Nodes
> Replication Factor – 3
> Consistency Level – ANY
>
> Regards,
> Praveen
>
>
>
> --
> View this message in context:
> http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/HOW-TO-SET-CONSISTENCY-LEVEL-FOR-tp7587567.html
> Sent from the cassandra-user@incubator.apache.org mailing list archive at
> Nabble.com.
>



-- 
Tyler Hobbs
DataStax <http://datastax.com/>

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