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From Ted Yu <yuzhih...@gmail.com>
Subject Re: API changes between 0.20.6 and 0.90.1
Date Wed, 16 Feb 2011 20:46:53 GMT
I am not very familiar with (internal) HBase APIs which grow quite large.
I have a full-time job.

And this task is quite big.

Community effort should be the best approach.

On Wed, Feb 16, 2011 at 12:20 PM, Todd Lipcon <todd@cloudera.com> wrote:

> On Wed, Feb 16, 2011 at 12:16 PM, Ryan Rawson <ryanobjc@gmail.com> wrote:
>
>> Sounds like Ted volunteered to do it!
>>
>
> Woohoo, thanks Ted!
>
> -Todd
>
>
>>  On Wed, Feb 16, 2011 at 12:15 PM, Ted Yu <yuzhihong@gmail.com> wrote:
>> > Definitely.
>> >
>> > On Wed, Feb 16, 2011 at 11:57 AM, Todd Lipcon <todd@cloudera.com>
>> wrote:
>> >
>> >> In Hadoop land, Tom White did some awesome work to add special
>> annotations
>> >> that we stick on all the public classes that classify the interfaces
>> as:
>> >>
>> >> Stability:
>> >>  - Unstable: may change and likely to change between point releases,
>> >>  - Evolving: possibly change between point releases but unlikely, could
>> >> well change between bigger releases
>> >>  - Stable: hasn't changed in a long time, unlikely to change
>> >>
>> >> Audience: Private, Limited, Public
>> >>  - Private: not meant for users, even if it's "Stable" we might change
>> it
>> >> and break you without a deprecation path
>> >>  - Limited: meant only for a certain set of specified projects (eg we
>> might
>> >> say "this API is only for use by Hive, and we'll change it so long as
>> the
>> >> hive people are OK with it")
>> >>  - Public: won't change without deprecation path for one major release
>> >>
>> >> He also built some cool tools to do jdiff and javadoc with these
>> >> annotations
>> >> taken into account (eg javadoc won't show private APIs)
>> >>
>> >> Are people interested in bringing this system over to HBase?
>> >>
>> >> -Todd
>> >>
>> >> On Wed, Feb 16, 2011 at 11:51 AM, Ryan Rawson <ryanobjc@gmail.com>
>> wrote:
>> >>
>> >> > Well done Andrew.
>> >> >
>> >> > People who want to know the API differences should probably mostly
>> only
>> >> > read:
>> >> >
>> >> >
>> >> >
>> >>
>> https://tm-files.s3.amazonaws.com/hbase/jdiff-hbase-0.90.1/changes/pkg_org.apache.hadoop.hbase.client.html
>> >> >
>> >> > And specifically the HTable, Put, Get, Delete, Scan classes.
>> >> >
>> >> >
>> >> >
>> >> > On Wed, Feb 16, 2011 at 7:19 AM, Andrew Purtell <apurtell@apache.org
>> >
>> >> > wrote:
>> >> > > I ran jdiff by hand. See:
>> >> > >
>> >> > >
>> >> >
>> https://tm-files.s3.amazonaws.com/hbase/jdiff-hbase-0.90.1/changes.html
>> >> > >
>> >> > > Best regards,
>> >> > >
>> >> > >     - Andy
>> >> > >
>> >> > > Problems worthy of attack prove their worth by hitting back.
>> >> > >   - Piet Hein (via Tom White)
>> >> > >
>> >> > >
>> >> > > --- On Wed, 2/16/11, Lars George <lars.george@gmail.com>
wrote:
>> >> > >
>> >> > >> From: Lars George <lars.george@gmail.com>
>> >> > >> Subject: Re: API changes between 0.20.6 and 0.90.1
>> >> > >> To: dev@hbase.apache.org
>> >> > >> Date: Wednesday, February 16, 2011, 1:22 AM
>> >> > >> +1, I like that idea.
>> >> > >>
>> >> > >> On Wed, Feb 16, 2011 at 2:43 AM, Todd Lipcon <todd@cloudera.com>
>> >> > >> wrote:
>> >> > >> > Hi Ted,
>> >> > >> >
>> >> > >> > I'd recommend setting up jdiff to answer this
>> >> > >> question. Would be a good
>> >> > >> > contribution to our source base to be able to run this
>> >> > >> automatically and
>> >> > >> > generate a report as part of our build. We do this in
>> >> > >> Hadoop and it's very
>> >> > >> > useful.
>> >> > >> >
>> >> > >> > -Todd
>> >> > >> >
>> >> > >> > On Tue, Feb 15, 2011 at 5:14 PM, Ted Yu <yuzhihong@gmail.com>
>> >> > >> wrote:
>> >> > >> >
>> >> > >> >> Can someone tell me which classes from the list
>> >> > >> below changed API between
>> >> > >> >> 0.20.6 and 0.90.1 ?
>> >> > >> >> http://pastebin.com/TkZfPt52
>> >> > >> >>
>> >> > >> >> Thanks
>> >> > >> >>
>> >> > >> >
>> >> > >> >
>> >> > >> >
>> >> > >> > --
>> >> > >> > Todd Lipcon
>> >> > >> > Software Engineer, Cloudera
>> >> > >> >
>> >> > >>
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> > >
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Todd Lipcon
>> >> Software Engineer, Cloudera
>> >>
>> >
>>
>
>
>
> --
> Todd Lipcon
> Software Engineer, Cloudera
>

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