I run my ZK quorum on my regionservers, but I also have 16 GB ram per regionserver. I used to run 1gb, and never had problems. Now with hbase managing the quorum I have 5gb ram, and its probalby over kill but better save than sorry.
On Tue, Jul 14, 2009 at 6:07 PM, Nitay<[email protected]> wrote: > Hi Fernando, > > It is recommended that you run ZooKeeper separate from the Region Servers. > On the memory side, our use of ZooKeeper in terms of data stored is minimal > currently. However you definitely don't want it to swap and you want to be > able to handle a large number of connections. A safe value would be > something like 1GB. > > -n > > On Tue, Jul 14, 2009 at 2:58 PM, Fernando Padilla <[email protected]> wrote: > >> So.. what's the recommendation for zookeeper? >> >> should I run zookeeper nodes on the same region servers? >> should I run zookeeper nodes external to the region servers? >> how much memory should I give zookeeper, if it's just used for hbase? >> >
