6 sec isn't crazy with 0.19. If you really want to research it, have a look at where the time is spent, creating scanner or actually doing the scanning. I think it's the former. That being said, upgrading to 0.20 is a much quicker solution. Scanner has been optimized in the new version.
On Mon, Aug 3, 2009 at 12:01 AM, Kyle Oba<[email protected]> wrote: > Hey folks, > > I have a question (possibly naive) about a scans performance. > > My scan is taking about 6 seconds to do the following: > > 470 rows extracted > total size of all rows together is about 1.4 megs > > I'm using a InclusiveStopRow filter to limit rows which are being > extracted by the scanner. The problem for me is that I will soon be > scanning 30x this amount of data soon, and 6x30 seconds will be quite > a hit. > > We're already planning to jump to HBase v0.20 soon. But, wanted to > see if folks thought the 6 second timing on this scan was reasonable, > or horribly off. > > Thanks. > > Kyle >
