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From John Vines <vi...@apache.org>
Subject Re: Accumulo database type: columnar?
Date Wed, 25 Mar 2015 01:50:19 GMT
It did say column oriented, i struck that line until we could decide on
something more appropriate, if anything

Sent from my phone, please pardon the typos and brevity.
On Mar 24, 2015 8:23 PM, "Josef Roehrl" <jroehrl@phemi.com> wrote:

> Actually, the Wikipedia article doesn't say column-oriented.  And, anyway,
> it would still be a key/value store notwithstanding data locality groups
> which are just a store efficiency that doesn't change the logical ordering
> of key/values.
>
> On Tue, Mar 24, 2015 at 12:23 PM, Hider, Sandy <Sandy.Hider@jhuapl.edu>
> wrote:
>
>> According to Wikipedia:  http://en.wikipedia.org/wiki/Apache_Accumulo
>> Accumulo is a column-oriented database.   Wikipedia defines column-oriented
>> this way " A column-oriented database serializes all of the values of a
>> column together, then the values of the next column, and so on."
>>
>> I understand it is possible to store some column related data together
>> with locality groups but wouldn't the default behavior be key/value store
>> type database instead of column-oriented?
>>
>> Thanks,
>>
>> Sandy
>>
>>
>>
>>
>>
>
>
> --
>
>
> Josef Roehrl
> Software Developer
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