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From Schubert Zhang <zson...@gmail.com>
Subject Re: Is SuperColumn necessary?
Date Wed, 28 Apr 2010 10:46:22 GMT
I think, at least currently, we should leave the logic of current
SuperColumn and addational indexing features to application layer of
cassandra core.

On Wed, Apr 28, 2010 at 6:44 PM, Schubert Zhang <zsongbo@gmail.com> wrote:

> I don't think secondary index is necessary for cassandra core, at least it
> is not urgent.
> I think currently, the first urgent improvements of cassandra are:
> 1. re-clarify the data-model.
> 2. re-implement the storage and index, especially the current SSTable
> implement is not good.
>
> In fact, the current storage/index implement is the most poor point.
>
>
>
> On Tue, Apr 27, 2010 at 12:11 AM, Jonathan Ellis <jbellis@gmail.com>wrote:
>
>> I think that once we have built-in indexing (CASSANDRA-749) you can
>> make a good case for dropping supercolumns (at least, dropping them
>> from the public API and reserving them for internal use).
>>
>> On Mon, Apr 26, 2010 at 11:05 AM, Schubert Zhang <zsongbo@gmail.com>
>> wrote:
>> > I don't think the SuperColumn is so necessary.
>> > I think this level of logic can be leaved to application.
>> >
>> > Do you think so?
>> >
>> > If SuperColumn is needed,  as
>> > https://issues.apache.org/jira/browse/CASSANDRA-598, we should build
>> index
>> > in SuperColumns level and SubColumns level.
>> > Thus, the levels of index is too many.
>> >
>> >
>>
>
>

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