There is this post about HBase backup options....
http://blog.sematext.com/2011/03/11/hbase-backup-options/ . I hope it helps.
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----- Original Message ----
> From: Manoj Murumkar <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Sent: Wed, June 8, 2011 8:24:39 PM
> Subject: Re: HBase Backups
> We are trying to do this online as downtime is not an option. Good point,
> On Jun 8, 2011 3:48 PM, "Joey Echeverria" <[EMAIL PROTECTED]> wrote:
> > Can you afford some down time? If so, you could minor compact, disable
> > the table, distcp, and then enable the table.
> > -Joey
> > On Wed, Jun 8, 2011 at 1:22 PM, Manoj Murumkar <[EMAIL PROTECTED]>
> >> Hi,
> >> We're trying to come up with right strategy for backing up HBase tables.
> >> Assumption is that sizes of tables will not grow beyond few hundred GB.
> >> Currently, we're employing exports (writing onto HDFS of another cluster
> >> directly), but is taking too long (~5 hours to export ~5GB of data). Are
> >> there any suggestions to improve the performance of this?
> >> Thanks,
> >> Manoj
> > --
> > Joseph Echeverria
> > Cloudera, Inc.
> > 443.305.9434