Thanks for pointing it out. With the memstore abstracted out, this would be really interesting to see if it can be of any help particularly for the offheap cases.
Regards Ram On Wed, Apr 16, 2014 at 3:55 PM, Li Li <[email protected]> wrote: > it offers some basic off heap tools: https://github.com/OpenHFT/Java-Lang > maybe hbase can implements its own offheap ConcurrentSkipListMap? > consulting the author of openhft may be helpful. > > On Wed, Apr 16, 2014 at 3:31 PM, Vladimir Rodionov > <[email protected]> wrote: > > Its a Map only, MemStore is ConcurrentSkipListMap as far as I remember. > > > > -Vladimir Rodionov > > > > > > On Tue, Apr 15, 2014 at 10:24 PM, Nick Dimiduk <[email protected]> > wrote: > > > >> Yes, now that we have memstore abstracted, this is something worth > >> experimenting with. > >> > >> On Tuesday, April 15, 2014, Li Li <[email protected]> wrote: > >> > >> > http://www.infoq.com/articles/Open-JDK-and-HashMap-Off-Heap > >> > > >> > > >> > http://openhft.blogspot.com/2014/03/javautilconcurrentconcurrenthashmap-vs.html > >> > I found this offheap solution and remeber hbase faces gc problem with > >> > large heap > >> > > >> >
