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From "Blake Eggleston (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-13475) First version of pluggable storage engine API.
Date Thu, 09 Nov 2017 16:05:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-13475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16245913#comment-16245913
] 

Blake Eggleston commented on CASSANDRA-13475:
---------------------------------------------

Steps 4-11 all involve moving stuff into something called the CQLStorageEngine. Earlier in
the discussion, this was the native cassandra implementation of the proposed storage interface.
I guess that might have changed, but it's not really clear what CQLStorageEngine is

> First version of pluggable storage engine API.
> ----------------------------------------------
>
>                 Key: CASSANDRA-13475
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13475
>             Project: Cassandra
>          Issue Type: Sub-task
>            Reporter: Dikang Gu
>            Assignee: Dikang Gu
>
> In order to support pluggable storage engine, we need to define a unified interface/API,
which can allow us to plug in different storage engines for different requirements. 
> Here is a design quip we are currently working on:  https://quip.com/bhw5ABUCi3co
> In very high level, the storage engine interface should include APIs to:
> 1. Apply update into the engine.
> 2. Query data from the engine.
> 3. Stream data in/out to/from the engine.
> 4. Table operations, like create/drop/truncate a table, etc.
> 5. Various stats about the engine.
> I create this ticket to start the discussions about the interface.



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