Also, there is multi-Get support as of 0.90.x to further optimize the RPC calls if you need to make a bunch of calls.
On 5/9/12 4:47 PM, "Jean-Daniel Cryans" <jdcry...@apache.org> wrote: >What Bryan said, also Scan(Get) is used internally in the region >server code so that's probably why that constructor exists. > >But as a user you need to create the scanner, do next() then close it >so using a straight Get saves 2 rpc. > >J-D > >On Wed, May 9, 2012 at 1:43 PM, Bryan Beaudreault ><bbeaudrea...@hubspot.com> wrote: >> Gets just boil down to single-row Scans. I believe the only reason to >>do >> Scan s = new Scan(Get) would be if you need to add extra options onto >>the >> get. Get's API is more simplified than Scan's. >> >> On Wed, May 9, 2012 at 4:19 PM, Kevin <kevin.macksa...@gmail.com> wrote: >> >>> Hi, >>> >>> From what I can tell, there are two ways of scanning a table in HBase. >>>I'm >>> hoping to learn a bit by asking is the most efficient way to grab a >>>single >>> row from an HTable? >>> >>> One can ask the HTable directly by creating a Get object, or one can >>>create >>> a Scan object with a Get object and pass it along to the HTable. >>> >>> Maybe it doesn't matter. By looking at the source code I couldn't see >>>how >>> any one way might be faster/better than another. >>> >>> Thanks. >>> >
