Yep, my mistake... I didn't trace the source code deep enough. Looks like HTable always write to writeBuffer for any kind of Put operation. Sorry for the rash inquiry ;-)
Ed 2011/6/22 Stack <[email protected]> > On Tue, Jun 21, 2011 at 7:22 PM, edward choi <[email protected]> wrote: > > I read it on the Internet that it is experimentally faster to directly > > instantiate HTable and use HTable.batch() in the Map > > than to use TableOutputFormat as the Map's OutputClass > > > > If you read it on the net, it must be true. > > > Am I right on this matter? Or does TableOutputFormat automatically do > batch > > updates somehow? > > Or is there a specific way to do batch updates with TableOutputFormat? > > > > What Doug Meil said. The batching is being done for you under the covers. > > St.Ack >
