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Sylvain Lebresne commented on CASSANDRA-5019:
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And I don't think the replace we have is any problem for the flyweight pattern,
since all we support is replacing a column by another with the same name. I.e.
this is really an in-place replace only.
> Still too much object allocation on reads
> -----------------------------------------
>
> Key: CASSANDRA-5019
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5019
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Jonathan Ellis
> Fix For: 2.0
>
>
> ArrayBackedSortedColumns was a step in the right direction but it's still
> relatively heavyweight thanks to allocating individual Columns.
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