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From Bryan Talbot <btal...@aeriagames.com>
Subject Re: Timeseries data
Date Wed, 27 Mar 2013 19:25:01 GMT
In the worst case, that is possible, but compaction strategies try to
minimize the number of SSTables that a row appears in so a row being in ALL
SStables is not likely for most cases.

-Bryan



On Wed, Mar 27, 2013 at 12:17 PM, Kanwar Sangha <kanwar@mavenir.com> wrote:

>  Hi – I have a query on Read with Cassandra. We are planning to have
> dynamic column family and each column would be on based a timeseries. ****
>
> ** **
>
> Inserting data — key => ‘xxxxxxx′, {column_name => TimeUUID(now),
> :column_value => ‘value’ }, {column_name => TimeUUID(now), :column_value =>
> ‘value’ },…………..****
>
> ** **
>
> Now this key might be spread across multiple SSTables over a period of
> days. When we do a READ query to fetch say a slice of data from this row
> based on time X->Y , would it need to get data from ALL sstables ? ****
>
> ** **
>
> Thanks,****
>
> Kanwar****
>
> ** **
>

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