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From Aklin_81 <>
Subject Re: What is the future of supercolumns ?
Date Fri, 06 Jan 2012 23:42:47 GMT
Any comments please ?

On Thu, Jan 5, 2012 at 11:07 AM, Aklin_81 <> wrote:
> I have seen supercolumns usage been discouraged most of the times.
> However sometimes the supercolumns seem to fit the scenario most
> appropriately not only in terms of how the data is stored but also in
> terms of how is it retrieved. Some of the queries supported by SCs are
> uniquely capable of doing the task which no other alternative schema
> could do.(Like recently I asked about getting the equivalent of
> retrieving a list of (full)supercolumns by name, through use of
> composite columns, unfortunately there was no way to do this without
> reading lots of extra columns).
> So I am really confused whether:
> 1. Should I really not use the supercolumns for any case at all,
> however appropriate, or I just need to be just careful while realizing
> that supercolumns fit my use case appropriately or what!?
> 2. Are there any performance concerns with supercolumns even in the
> cases where they are used most appropriately. Like when you need to
> retrieve the entire supercolumns everytime & max. no of subcolumns
> vary between 0-10.
> (I don't write all the subcolumns inside supercolumn, at once though!
> Does this also matter?)
> 3. What is their future? Are they going to be deprecated or may be
> enhanced later?

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