+1 JG
-----Original Message----- From: Dhruba Borthakur [mailto:dhr...@gmail.com] Sent: Monday, March 08, 2010 5:59 PM To: hbase-dev@hadoop.apache.org Subject: Re: Any objection if we up RPC version when we go from 0.20.3 to 0.20.4? +1. dhruba On Mon, Mar 8, 2010 at 5:16 PM, Kay Kay <kaykay.uni...@gmail.com> wrote: > not at all, considering the important fixes, we get in return. > > Meanwhile - it might be worthwhile to have a 'bold' mention w.r.t backward > incompatibility ( cold restart , as opposed to a rolling one) in the > documentation home page for 0.20.4 about this. Thanks. > > > > On 3/8/10 4:03 PM, Stack wrote: > >> Are there objections to changing the RPC version number when we >> release 0.20.4? Changing the RPC version number will mean that a >> 0.20.4 and 0.20.3 version hbase cluster will not be able to talk to >> each other. Updating your cluster from 0.20.3 to 0.20.4 will require >> a restart. >> >> Currently our RPC is brittle in that we can't add or amend methods >> without breaking the interface. We'd like to make the interface >> tolerant of small changes. To do this, we need to change how RPC >> identifies remote methods. See HBASE-2219 for details. The change in >> method identification requires that we up the RPC version so >> mismatched clients fail fast. >> >> If above is amenable, we'll also pull into 0.20.4 other facility such >> as the new multiput and fixes that make us less vulnerable to flapping >> dns, etc. >> >> Yours, >> St.Ack >> >> > > -- Connect to me at http://www.facebook.com/dhruba
