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Robert Stupp commented on CASSANDRA-4478:
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Do we still need this? {{index_interval}} is only present as a deprecated and
unused field in {{Config}} class.
> Make index_interval be measured in kb (instead of number of keys)
> -----------------------------------------------------------------
>
> Key: CASSANDRA-4478
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4478
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Sylvain Lebresne
> Priority: Minor
> Fix For: 3.x
>
> Attachments: 4478-incomplete.txt
>
>
> Currently, index_interval is measured in number of keys: how may keys before
> adding an entry to the index summary. After CASSANDRA-2319, each index entry
> also contains the columns index for the row, so index entry can be a bit
> bigger and of differing sizes. Measuring in number of keys is thus
> sub-optimal and difficult to tune, since you might want a different setting
> depending of whether your rows are big or small, but the setting is global.
> So we should move to measuring the interval in bytes.
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