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From "Alex Petrov (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-11990) Address rows rather than partitions in SASI
Date Tue, 16 Aug 2016 12:04:20 GMT


Alex Petrov commented on CASSANDRA-11990:

bq. The branch you have in the previous comment still have all of the change from dropping/rebuilding
of the indexes.

It might be good if we have [CASSANDRA-12374] [CASSANDRA-12223] and [CASSANDRA-12378] reviewed
before we merge that one, since some changes here are relying on those tickets (some dtests
and upgrade tests will break). 

> Address rows rather than partitions in SASI
> -------------------------------------------
>                 Key: CASSANDRA-11990
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: CQL, sasi
>            Reporter: Alex Petrov
>            Assignee: Alex Petrov
>         Attachments: perf.pdf, size_comparison.png
> Currently, the lookup in SASI index would return the key position of the partition. After
the partition lookup, the rows are iterated and the operators are applied in order to filter
out ones that do not match.
> bq. TokenTree which accepts variable size keys (such would enable different partitioners,
collections support, primary key indexing etc.), 

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