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From Russell Spitzer <>
Subject Re: Spark reading from cassandra
Date Wed, 04 Nov 2020 18:51:28 GMT
Yes, the "Allow filtering" part isn't actually important other than for
letting the query run in the first place. A where clause that utilizes a
clustering column restriction will perform much better than a full scan,
column pruning as well can be extremely beneficial.

On Wed, Nov 4, 2020 at 11:12 AM Amit Sharma <> wrote:

> Hi, i have a question while we are reading from cassandra should we use
> partition key only in where clause from performance perspective or it does
> not matter from spark perspective because it always allows filtering.
> Thanks
> Amit

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