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From Boris Yen <yulin...@gmail.com>
Subject Re: is there a need to backup commit log?
Date Sun, 10 Jul 2011 03:29:30 GMT
Thanks. I will try it.

Boris

On Sat, Jul 9, 2011 at 8:44 PM, Jonathan Ellis <jbellis@gmail.com> wrote:

> Flush is done as part of the snapshot, so if you're not doing writes
> post-snapshot, there's no need to ship commitlogs.  If you ARE still
> doing writes, enable encremental backups to get sstables flushed
> during the transfer.
>
> On Sat, Jul 9, 2011 at 6:23 AM, Boris Yen <yulinyen@gmail.com> wrote:
> > Hi,
> > Let's say if I want to migrate data from one cluster to another cluster,
> in
> > addition to snapshots, is there a need to also backup the commit log?
> > As far as I know, some of the data inside commit log might not have been
> > flushed to sstable during snapshots, therefore, if I only backup the
> > sstable, would it be some data lost when I restore these data in the new
> > cluster?
> > Regards
> > Boris
>
>
>
> --
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of DataStax, the source for professional Cassandra support
> http://www.datastax.com
>

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