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https://issues.apache.org/jira/browse/CASSANDRA-6842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13931809#comment-13931809
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Benedict commented on CASSANDRA-6842:
-------------------------------------
Patch available [here|https://github.com/belliottsmith/cassandra/tree/iss-6842]
See discussion on CASSANDRA-6689 for history.
This patch introduces a new NativePool and NativeAllocator implementation, and
RefAction, which manages references that escape from memtables, and also
introduces new concurrency primitives NonBlockingQueue* and an updated OpOrder,
all as described
[here|https://issues.apache.org/jira/browse/CASSANDRA-6689?focusedCommentId=13916720&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13916720].
Note that references to "GC" are not applicable, as this will be introduced
separately in CASSANDRA-6843 instead.
This patch depends on CASSANDRA-6781.
> Zero-copy reads from off-heap memtables
> ---------------------------------------
>
> Key: CASSANDRA-6842
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6842
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Benedict
> Assignee: Benedict
> Labels: performance
> Fix For: 3.0
>
>
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