Thanks Ryan and Ted. I also think if they were using tcmalloc, it would have given them a further advantage but as you said, not much is known about the test source code.
On Wed, Dec 15, 2010 at 2:22 PM, Ryan Rawson <ryano...@gmail.com> wrote: > So if that is the case, I'm not sure how that is a fair test. One > system reads from RAM, the other from disk. The results as expected. > > Why not test one system with SSDs and the other without? > > It's really hard to get apples/oranges comparison. Even if you are > doing the same workloads on 2 diverse systems, you are not testing the > code quality, you are testing overall systems and other issues. > > As G1 GC improves, I expect our ability to use larger and larger heaps > would blunt the advantage of a C++ program using malloc. > > -ryan > > On Wed, Dec 15, 2010 at 11:15 AM, Ted Dunning <tdunn...@maprtech.com> > wrote: > > From the small comments I have heard, the RAM versus disk difference is > > mostly what I have heard they were testing. > > > > On Wed, Dec 15, 2010 at 11:11 AM, Ryan Rawson <ryano...@gmail.com> > wrote: > > > >> We dont have the test source code, so it isnt very objective. However > >> I believe there are 2 things which help them: > >> - They are able to harness larger amounts of RAM, so they are really > >> just testing that vs HBase > >> > > >
