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https://issues.apache.org/jira/browse/CASSANDRA-5019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13808819#comment-13808819
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Benedict commented on CASSANDRA-5019:
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Why not just allocate a new flyweight Column object when we want to read it?
It's almost certainly going to be allocated on-stack.
> 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
> Assignee: Yuki Morishita
> Labels: performance
> Fix For: 2.1
>
>
> ArrayBackedSortedColumns was a step in the right direction but it's still
> relatively heavyweight thanks to allocating individual Columns.
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