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https://issues.apache.org/jira/browse/CASSANDRA-17034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17523710#comment-17523710
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Branimir Lambov commented on CASSANDRA-17034:
---------------------------------------------
I had initially left the sharding bits out of this ticket in 17240 and moved
them in because of comments in the discussion thread which indicated interest
in some form of support.
> CEP-11: Memtable API implementation
> -----------------------------------
>
> Key: CASSANDRA-17034
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17034
> Project: Cassandra
> Issue Type: Improvement
> Components: Local/Memtable
> Reporter: Branimir Lambov
> Assignee: Branimir Lambov
> Priority: Normal
> Time Spent: 19h 10m
> Remaining Estimate: 0h
>
> Pluggable memtable API as described in
> [CEP-11|https://cwiki.apache.org/confluence/display/CASSANDRA/CEP-11%3A+Pluggable+memtable+implementations].
>
> Initial version is already available in [this
> branch|https://github.com/datastax/cassandra/tree/memtable-api], and needs to
> be updated to the changes in trunk. Two additional features suggested by CEP
> reviewers are also to be implemented:
> * Sharding support: extending the memtable owner interface to supply
> suitable shard boundaries that split the owned token space and are in
> agreement with disk boundaries.
> * Shared read API with sstables: defining a common interface for reading
> partitions from memtables and sstables; this is to include filters to avoid
> unnecessary copying.
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