Hi Gunnar, >> I think that you're saying that Trafodion recommends to turn this feature off in 1.3.0 but is OK with it being turned on in 2.0.0?
Correct. Regards, Atanu ____________________ Atanu Mishra On Wed, Feb 10, 2016 at 4:10 PM, Gunnar Tapper <[email protected]> wrote: > Hi Atanu, > > Still confused. balance_switch is a standard HBase feature. Users may or > may not have this feature enabled. > > I think that you're saying that Trafodion recommends to turn this feature > off in 1.3.0 but is OK with it being turned on in 2.0.0? Or, is there > another functionality I am missing. > > Gunnar > > On Wed, Feb 10, 2016 at 4:58 PM, Atanu Mishra <[email protected]> > wrote: > >> Yes. And yes. >> >> The functionality (to handle active transactions during rebalance/splits) >> was checked-in post-1.3.0. It is disabled currently, but should be enabled >> in time for 2.0.0. >> >> To clarify - >> for 1.3.0, we still need the current recommendation for balance_switch >> for 2.0.0, the recommendation is not needed since the functionality will >> be enabled by default. >> >> In the interim, a user will need to enable the functionality manually. >> >> Regards, >> Atanu >> >> ____________________ >> Atanu Mishra >> >> On Wed, Feb 10, 2016 at 2:26 PM, Gunnar Tapper <[email protected]> >> wrote: >> >>> Is this changed from 1.3.0 to 2.0.0? >>> >>> I'm a bit confused by Atanu's comment and Trina's subsequent response... >>> are we still recommending that balance_switch should be false and only be >>> enabled during maintenance windows? >>> >>> On Wed, Feb 10, 2016 at 3:20 PM, Trina Krug <[email protected]> >>> wrote: >>> >>>> Yes, they will. Sorry if my answer was misleading. I was speaking >>>> directly to the document section regarding disabling rebalancing due to >>>> transactions aborting. >>>> >>>> Trina >>>> >>>> On Feb 10, 2016, at 2:00 PM, Atanu Mishra <[email protected]> >>>> wrote: >>>> >>>> Wasn't sure - I think the user will need to enable the functionality >>>> first to see this behavior. >>>> >>>> Thanks, >>>> Atanu >>>> >>>> ____________________ >>>> Atanu Mishra >>>> >>>> On Wed, Feb 10, 2016 at 1:47 PM, Trina Krug <[email protected]> >>>> wrote: >>>> >>>>> Rebalancing can now be done with active transactions and they *can* >>>>> survive across a rebalance. There may be times when a transaction is >>>>> aborted after new transactional activity is rejected during the rebalance >>>>> however. But most often failed operations can be (and will be) retried >>>>> and >>>>> succeed. >>>>> >>>>> Trina >>>>> >>>>> On Feb 10, 2016, at 1:11 PM, Gunnar Tapper <[email protected]> >>>>> wrote: >>>>> >>>>> Is this information still relevant? >>>>> >>>>> >>>>> https://cwiki.apache.org/confluence/display/TRAFODION/Configuration#Configuration-DisablingHBaseRegionRebalancing >>>>> >>>>> >>>>> -- >>>>> Thanks, >>>>> >>>>> Gunnar >>>>> *If you think you can you can, if you think you can't you're right.* >>>>> >>>>> >>>> >>> >>> >>> -- >>> Thanks, >>> >>> Gunnar >>> *If you think you can you can, if you think you can't you're right.* >>> >> >> > > > -- > Thanks, > > Gunnar > *If you think you can you can, if you think you can't you're right.* >
