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https://issues.apache.org/jira/browse/CASSANDRA-14938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16725823#comment-16725823
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Marcus Eriksson commented on CASSANDRA-14938:
---------------------------------------------
+1
> Use a stub IndexRegistry when initialised in non-daemon mode
> ------------------------------------------------------------
>
> Key: CASSANDRA-14938
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14938
> Project: Cassandra
> Issue Type: Improvement
> Components: CQL, Testing
> Reporter: Sam Tunnicliffe
> Assignee: Sam Tunnicliffe
> Priority: Minor
> Fix For: 4.0
>
>
> Offline processing of FQL logs for workload analysis or replay testing would
> benefit from being able to use C* as a library for parsing and preparation of
> the recorded CQL queries. One thing which makes this difficult is that
> preparing CQL statements involves validating any index restrictions via the
> {{IndexRegistry}} which means instantiating a {{ColumnFamilyStore}}, which
> has several side effects that are troublesome in an offline environment.
> In the FQL processing use case this validation is unnecessary and I imagine
> this is true for most, if not all, offline tools. In these cases, we could
> use a stub {{IndexRegistry}} which enables validation to succeed, but which
> doesn't provide any real functionality.
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