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From "C. Scott Andreas (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-12783) Break up large MV mutations to prevent OOMs
Date Fri, 20 Jul 2018 20:48:01 GMT


C. Scott Andreas updated CASSANDRA-12783:
    Labels: 4.0-feature-freeze-review-requested  (was: )

> Break up large MV mutations to prevent OOMs
> -------------------------------------------
>                 Key: CASSANDRA-12783
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Local Write-Read Paths, Materialized Views
>            Reporter: Carl Yeksigian
>            Assignee: Kurt Greaves
>            Priority: Major
>              Labels: 4.0-feature-freeze-review-requested
>             Fix For: 4.x
> We only use the code path added in CASSANDRA-12268 for the view builder because otherwise
we would break the contract of the batchlog, where some mutations may be written and pushed
out before the whole batch log has been saved.
> We would need to ensure that all of the updates make it to the batchlog before allowing
the batchlog manager to try to replay them, but also before we start pushing out updates to
the paired replicas.

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