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From "Ariel Weisberg (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-9500) SequentialWriter should extend BufferedDataOutputStreamPlus
Date Thu, 16 Jul 2015 15:45:04 GMT


Ariel Weisberg commented on CASSANDRA-9500:

Increasing performance is bottom of my list while there is still work to do to prevent regressions
(graphs) and then there are the correctness issues (filling in CVH modules, tests not passing).

I agree that compaction should work like greased lightning. It's core to making LSMs palatable
and it's something I would work on if I thought that making progress on stability (performance,
correctness) wasn't a bigger problem.

> SequentialWriter should extend BufferedDataOutputStreamPlus
> -----------------------------------------------------------
>                 Key: CASSANDRA-9500
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Benedict
>            Assignee: Ariel Weisberg
>            Priority: Minor
> SequentialWriter is the last piece left not implementing DataOutputStreamPlus. It should
not be too tricky to extend it, and it should result in improved write throughput. Further,
it will permit it to exploit the more efficient implementation of writeVInt being delivered

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