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HBase, mail # dev - HBase wire compatibility


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Re: HBase wire compatibility
Todd Lipcon 2012-02-13, 22:22
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 <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> wrote:
>> >
>> > > What's the role of HBASE-5306 in your proposal ?
>> > >
>> > > Thanks
>> > >
>> > >
>> > > On Mon, Feb 13, 2012 at 1:02 PM, Jimmy Xiang <[EMAIL PROTECTED]>
>> > 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 <[EMAIL PROTECTED]> wrote:
>> > >>
>> > >> > Can you post on wiki ?
>> > >> >
>> > >> > Attachment stripped.
>> > >> >
>> > >> > On Mon, Feb 13, 2012 at 11:01 AM, Jimmy Xiang <[EMAIL PROTECTED]>
>> > >> 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