I agree it would be surprising to have masters running RegionServers and hosting regions. Maybe we can take that kind of departure for 2.0? (Or even 1.1?) It's not clear what state that will end up in. Default-on features in 1.0 should carry forward and promote stability and familiarity?
> On Sep 11, 2014, at 10:02 AM, Stack <[email protected]> wrote: > > Thanks for doing the helpful writeup Enis. It helps doing evaluation. > > I have one question below. > > On Thu, Sep 11, 2014 at 1:56 AM, Enis Söztutar <[email protected]> wrote: > ... > >> >> Starting with 0.99.0, the HBase master server and backup master servers >> will >> also act as a region server. RPC port and info port for web UI is shared >> for >> the master and region server roles. Active master will be hosting the meta >> table (and other hbase system tables, acl and namespace) by default >> (unless configured otherwise). The master and backup masters will not be >> hosting user level regions. See HBASE-10569 and HBASE-11604 for more >> details. > > I think we should change this so this is NOT the default in 1.0. What do > folks think? The new deploy topology will surprise going from earlier > version. Better folks enable it explicitly*? > St.Ack > > * I used to be in favor of this feature being on by default but I have > since changed my mind given how I see meta hosting evolving in the > near-future.
