So basically speaking, HFile got us 5x, and the new implementation gets us another 5x.
For a grand total of 10x. On Wed, Apr 15, 2009 at 5:32 PM, Erik Holstad <[email protected]> wrote: > Just created a simple test that puts 5 different columns into HBase at 3 > different ts, so you end up with 3 versions of 5 values > in memcache + 2 storeFiles and compared the timing for the old and the new > implementations. > > The query was asking for 3 versions of 2 of the columns, so a fairly simple > setup, with no deletes and stuff, which would make > the difference even bigger. > > Timing old = 2517596 ns > Timing new = 373170 ns > > old/new = 6.7x > > This test is only done on the server side from the regionserver so no > contact with the client so far, but it is looking good. > Worth mentioning is also that this improvement is compared to the > implementation already using HFile. >
