Rita 2011-09-26, 09:03
Jean-Daniel Cryans 2011-09-26, 16:41
-Re: exporting a table
Rita 2011-09-26, 23:45
thanks. I noticed the MR job is single threaded. Is table export a serial
based job or can it be done in parallel?
On Mon, Sep 26, 2011 at 12:41 PM, Jean-Daniel Cryans <[EMAIL PROTECTED]>wrote:
> If by "export" you refer to the Export MR job that's shipped with
> HBase, then it's not going to work at all since the table is disabled.
> If you refer to a distcp, which would make more sense since by being
> disabled the table won't get new mutations, then it won't be any
> faster... just safer.
> On Mon, Sep 26, 2011 at 2:03 AM, Rita <[EMAIL PROTECTED]> wrote:
> > Is there a performance boost to export a table while its disabled?
> > --
> > --- Get your facts first, then you can distort them as you please.--
--- Get your facts first, then you can distort them as you please.--
Jean-Daniel Cryans 2011-09-27, 18:29