oh, that explains a lot, thanks:) 2008/7/29 Jean-Daniel Cryans <[EMAIL PROTECTED]>
> Daniel, > > BatchUpdate is the 0.2.0 equivalent to 0.1.x put(). > > J-D > > On Tue, Jul 29, 2008 at 12:41 PM, Daniel Yu <[EMAIL PROTECTED]> wrote: > > > hi J-D, > > how about the performance of BatchUpdate and multiple single-Update? in > > MapReduce jobs, if we use TableReduce, > > we only have a put() method to update the table, i'm wondering whether > the > > put() method can use a BatchUpdate mechanism. Thanks. > > > > 2008/7/28 Jean-Daniel Cryans <[EMAIL PROTECTED]> > > > > > Marcus, > > > > > > If you are currently building upon 0.2.0, the way to retrieve multiple > > rows > > > is to use a scanner available from the client class HTable. The way to > > > batch > > > multiple rows updates is to use the BatchUpdate[ ] version of > > > HTable.commit > > > > > > Hope this helps, > > > > > > J-D > > > > > > On Mon, Jul 28, 2008 at 5:38 AM, Marcus Herou < > > [EMAIL PROTECTED] > > > >wrote: > > > > > > > Hi guys. > > > > > > > > Is there a way of retrieving multiple "rows" with one server call ? > > > > Something like MySQL's "where id in (a,b,c...) > > > > > > > > Or more like this. > > > > List<SortedMap<Text,byte[]>> rows = HTable.getRows(Text[] rowKeys); > > > > > > > > I'm building a framework around HBase which would benefit of handling > > > batch > > > > wise puts and gets. > > > > > > > > Kindly > > > > > > > > //Marcus > > > > > > > > > > > > > > > > -- > > > > Marcus Herou CTO and co-founder Tailsweep AB > > > > +46702561312 > > > > [EMAIL PROTECTED] > > > > http://www.tailsweep.com/ > > > > http://blogg.tailsweep.com/ > > > > > > > > > >
