I was able to get tests HBASE-4552 specific running on 0.90.x with Andrew's patch to 0.90 with a minor tweak to the HFile instantiation code and with a backport of HBASE-3316 (allows Pair to be serialized and sent across the RPC protocol).
Jon. On Mon, Oct 31, 2011 at 2:54 PM, Andrew Purtell <[email protected]> wrote: > Here is an example of something that might work: > http://pastebin.com/t9Bbe1F6 > > My understanding is if you add methods at the end of an interface > definition, the interface will remain compatible with a client compiled > against the earlier version. > > This is based on our 0.90-ish internal branch so won't match up quite > right with 0.90. Unit tests still pass. I haven't checked yet if indeed it > will work with our client apps that use HRI#bulkLoadHFile. > > - Andy > > From: Andrew Purtell <[email protected]> > >To: "[email protected]" <[email protected]>; " > [email protected]" <[email protected]> > >Sent: Monday, October 31, 2011 1:34 PM > >Subject: Re: backporting HBASE-4552 to 0.90 > > > >> Basically if we use the approach in HBASE-4552, rolling restart > wouldn't work. > > > >-1 to an approach that has this outcome. > > > >IMO, rolling restart must always be possible on a minor version upgrade. > > > >Best regards, > > > > > > - Andy > > > > > >Problems worthy of attack prove their worth by hitting back. - Piet Hein > (via Tom White) > > > > > >>________________________________ > >>From: Ted Yu <[email protected]> > >>To: [email protected]; [email protected] > >>Sent: Monday, October 31, 2011 12:57 PM > >>Subject: backporting HBASE-4552 to 0.90 > >> > >>Hi, > >>HBASE-4552 has been integrated to 0.92 and TRUNK. > >> > >>From Jonathan: > >> > >>I was leaning towards either > >>1) deprecating and keeping the old methods in it in (keeping old rpc > >>version) > >>2) having a patch available but in not including in an official 0.90 > since > >>it breaks compatibility > >> > >>Basically if we use the approach in HBASE-4552, rolling restart wouldn't > >>work. > >> > >>I want to get your opinion on how it should be backported to 0.90 > >> > >>Thanks > >> > >> > >> > > > > > -- // Jonathan Hsieh (shay) // Software Engineer, Cloudera // [email protected]
