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From Adeel Akbar <adeel.ak...@panasiangroup.com>
Subject Re: Data backup and restore
Date Tue, 04 Dec 2012 16:19:24 GMT
Hi Tomas,

You are right and now my question is how I restore on test cluster. Do I 
need to create column families and then copy snapshot on each directory?


Thanks & Regards

*Adeel**Akbar*

On 12/4/2012 9:09 PM, Tomas Nunez wrote:
> Hi
>
> I think he was talking about the "fragmentation" of the snapshot. In 
> cassandra 1.0.X all ColumnFamilies are in the same directory, but in 
> cassandra 1.1.X each ColumnFamily is in its own directory, and 
> snapshots of each ColumnFamily are inside this directory.
>
> 1.0.X Snapshot directory:
> /cassandra/data/<KeySpace>/snapshots/<cassandra_bkup_files>
>
> 1.1.X Snapshot directory
> /cassandra/data/<KeySpace>/<ColumnFamily>/snapshots/<cassandra_bkup_files>
>
> In 1.0.X you can restore a Keyspace backup by copying just one 
> directory. In 1.1.X it seems you need to copy one directory for each 
> ColumnFamily, which is a little more complicated.
>
>
>
> 2012/12/1 Tyler Hobbs <tyler@datastax.com <mailto:tyler@datastax.com>>
>
>     The nodetool snapshot command has keyspace and column family
>     options (from nodetool --help):
>
>     snapshot [keyspaces...] -cf [columnfamilyName] -t [snapshotName] -
>     Take a snapshot of the optionally specified column family of the
>     specified keyspaces using optional name snapshotName
>
>
>     On Wed, Nov 28, 2012 at 5:40 AM, Adeel Akbar
>     <adeel.akbar@panasiangroup.com
>     <mailto:adeel.akbar@panasiangroup.com>> wrote:
>
>         Dear All,
>
>         I have Cassandra 1.1.4 cluster with 2 nodes. I need to take
>         backup and restore on staging for testing purpose. I have
>         taken snapshot with below mentioned command but It created
>         snapshot on every Keyspace's column family. Is there any other
>         way to take backup and restore quick.
>
>         /opt/apache-cassandra-1.1.4/bin/nodetool -h localhost snapshot
>         -t cassandra_bkup
>
>         _*Snapshot directory:*_
>         /var/log/cassandra/data/<KeySpace>/<subfolder/snapshot/cassandra_bkup
>
>         -- 
>
>
>         Thanks & Regards
>
>         *Adeel**Akbar*
>
>
>
>
>     -- 
>     Tyler Hobbs
>     DataStax <http://datastax.com/>
>
>
>
>
> -- 
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