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From Colin McCabe <cmcc...@alumni.cmu.edu>
Subject Re: [DISCUSS] Remove append?
Date Mon, 26 Mar 2012 20:02:22 GMT
On Thu, Mar 22, 2012 at 5:49 PM, Eli Collins <eli@cloudera.com> wrote:
> On Thu, Mar 22, 2012 at 5:03 PM, Tsz Wo Sze <szetszwo@yahoo.com> wrote:
>> @Eli, Removing a feature would simplify the design and code.  I think this is a
generally true statement but not specific to Append.  The question is whether Append is useless
and it should be removed?  I think it is clear from this email thread that the answer is
no.
>
> @Nicholas, no one is saying append is "useless and should be removed."
>  The discussion is perhaps a little more subtle than you've understood
> it to be.
>
> If there are a lot of good use cases I'm all for it, I just don't see
> downstream projects using it any time soon (which is not to say they
> don't want it, just that they can't depend on something not in 1.x),
> and I haven't seen much demand.  I wanted to hear from others if they
> had.  When I brought it up with a room of hdfs developers from 3
> different companies no one felt strongly. And so far only a handful of
> people have chimed in, I actually thought more would.

Just one comment: If we do decide to keep append in, we should get it
to be actually stable and usable.  In my opinion, this should
definitely happen before adding any new operations.

Colin

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