I agree with Todd that we should cover the scenario where there're many regions.
>> we at least have decent visibility and fix tools compared to what we had in 90. We have better tools, yes. Would they solve the known / potential problems ? I don't think we have enough cases to prove that. Cheers On Tue, Jan 3, 2012 at 7:36 PM, Todd Lipcon <[email protected]> wrote: > On Tue, Jan 3, 2012 at 7:16 PM, Jean-Daniel Cryans <[email protected]> > wrote: > > > I would also suggest a third option that seems like a stretch but > > could be workable: > > > > - MAX_FILESIZE is 4x bigger so users are less likely to have a huge > > number of regions (plus all our education), so the TM is less likely > > to cause damage and could be very useful. What I mean is 5119 could be > > committed but not 5120 for 0.92.0 > > > > That doesn't help the folks who will be upgrading from an existing > cluster and still have too-many regions. We've got some merge hacks > but nothing super-easy to use yet. So I think we have to expect that > some folks will have lots of regions for a little while yet. > > Given that people have been testing w/o the TimeoutMonitor, I think we > should leave these confs as they are in the current 92 rc and not futz > too much. If stuff gets stuck in transition we at least have decent > visibility and fix tools compared to what we had in 90. > > -Todd > > > On Tue, Jan 3, 2012 at 6:47 PM, Ted Yu <[email protected]> wrote: > >> I cloned HBASE-5120 off of HBASE-5119 and marked it as a blocker. > >> I think it shows that we may need to revisit HBASE-4015. > >> > >> Regards > >> > >> On Tue, Jan 3, 2012 at 5:10 PM, Ted Yu <[email protected]> wrote: > >> > >>> Shall we also address the scenario where timeout monitor and bulk > disabler > >>> race against the same region ? > >>> See > >>> > https://issues.apache.org/jira/browse/HBASE-5119?focusedCommentId=13179176&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13179176 > >>> > >>> Cheers > >>> > >>> > >>> On Tue, Jan 3, 2012 at 5:04 PM, Stack <[email protected]> wrote: > >>> > >>>> On Tue, Jan 3, 2012 at 3:12 PM, Jonathan Hsieh <[email protected]> > wrote: > >>>> > I am similarly concerned about the deadlocks in distributed log > >>>> splitting > >>>> > that Jimmy and Prakash have been working on. > >>>> > > >>>> > If distributed long splitting is off by default, I'm +1. If it is > >>>> going to > >>>> > be default on, then I'd prefer getting those bugs bumped up to > >>>> > blockers fixed and then spinning another rc. > >>>> > > >>>> > >>>> I'll put up a new RC after HBASE-5081 goes in (I'll update our hadoop > >>>> to the released 1.0.0). > >>>> > >>>> St.Ack > >>>> > >>> > >>> > > > > -- > Todd Lipcon > Software Engineer, Cloudera >
