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From Ted Yu <yuzhih...@gmail.com>
Subject Re: HBase wire compatibility
Date Mon, 13 Feb 2012 22:33:03 GMT
I created HBASE-5394 for porting HADOOP-7379 to HBase

FYI

On Mon, Feb 13, 2012 at 2:22 PM, Todd Lipcon <todd@cloudera.com> wrote:

> We have a copy-paste fork of Hadoop IPC. So, it's easy enough to just
> apply the same style patch to our fork of it.
>
> On Mon, Feb 13, 2012 at 2:07 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> > HADOOP-7379 was marked resolved for 0.23
> >
> > Does this imply that hadoop 0.23 or above must be used ?
> > If so, we'd better state that on the wiki.
> >
> > On Mon, Feb 13, 2012 at 2:04 PM, Jimmy Xiang <jxiang@cloudera.com>
> wrote:
> >
> >> Sure.  I will add that.  To me, HBASE-5306 is more about the RPC engine.
> >> It can evolve in parallel since the current HBase RPC
> >> can support PB already due to
> >> HADOOP-7379<https://issues.apache.org/jira/browse/HADOOP-7379>
> >>
> >> On Mon, Feb 13, 2012 at 1:23 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> >>
> >> > It's the first bullet under Phase I.
> >> >
> >> > Can you mention HBASE-5306 there ?
> >> >
> >> > On Mon, Feb 13, 2012 at 1:18 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> >> >
> >> > > What's the role of HBASE-5306 in your proposal ?
> >> > >
> >> > > Thanks
> >> > >
> >> > >
> >> > > On Mon, Feb 13, 2012 at 1:02 PM, Jimmy Xiang <jxiang@cloudera.com>
> >> > wrote:
> >> > >
> >> > >> I posted the proposal on wiki:
> >> > >>
> >> > >> http://wiki.apache.org/hadoop/Hbase/HBaseWireCompatibility
> >> > >>
> >> > >> Thanks,
> >> > >> Jimmy
> >> > >>
> >> > >> On Mon, Feb 13, 2012 at 11:03 AM, Ted Yu <yuzhihong@gmail.com>
> wrote:
> >> > >>
> >> > >> > Can you post on wiki ?
> >> > >> >
> >> > >> > Attachment stripped.
> >> > >> >
> >> > >> > On Mon, Feb 13, 2012 at 11:01 AM, Jimmy Xiang <
> jxiang@cloudera.com>
> >> > >> wrote:
> >> > >> >
> >> > >> > > Hello,
> >> > >> > >
> >> > >> > > As HBase installation base is getting bigger, we are
ready to
> work
> >> > on
> >> > >> the
> >> > >> > > wire compatibility issue.
> >> > >> > > The goal is to make HBase easier for operators to upgrade,
> while
> >> it
> >> > is
> >> > >> > > also easier for developers to
> >> > >> > > enhance, re-architect if necessary.
> >> > >> > >
> >> > >> > > The attached is a proposal we came up.  We'd like to
start with
> >> two
> >> > >> > phases:
> >> > >> > >
> >> > >> > > Phase 1: Compatibility between client applications and
HBase
> >> > clusters
> >> > >> > > Phase 2: HBase cluster rolling upgrade within same major
> version
> >> > >> > >
> >> > >> > > Could you please review?
> >> > >> > >
> >> > >> > > Thanks,
> >> > >> > > Jimmy
> >> > >> > >
> >> > >> >
> >> > >>
> >> > >
> >> > >
> >> >
> >>
>
>
>
> --
> Todd Lipcon
> Software Engineer, Cloudera
>

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