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https://issues.apache.org/jira/browse/CASSANDRA-2995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13089583#comment-13089583
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Jonathan Ellis commented on CASSANDRA-2995:
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I understand the "wouldn't it be cool" factor but let's be clear: Cassandra is
not a research-paper creation engine. Pluggability here improves generality at
the cost of a substantial increase of implementation complexity, QA work, and
cognitive burden on users. This is a bad direction for the project.
> Making Storage Engine Pluggable
> -------------------------------
>
> Key: CASSANDRA-2995
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2995
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Affects Versions: 0.8.2
> Reporter: Muga Nishizawa
>
> Will you design and implement Cassandra's storage engine API like MyCassandra?
> MyCassandra provides extensible architecture for pluging other storage
> engines to Cassandra like MySQL.
> https://github.com/sunsuk7tp/MyCassandra/
>
> It could be advantageous for Cassandra to make the storage engine pluggable.
> This could allow Cassandra to
> - deal with potential use cases where maybe the current sstables are not the
> best fit
> - allow several types of internal storage formats (at the same time)
> optimized for different data types
> - allow easier experiments and research on new storage formats (encourage
> research institutions to do strange things with Cassandra)
> - there could also be potential advantages from better isolation of the data
> engine in terms of less risk for data corruptions if other parts of Cassandra
> change
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