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https://issues.apache.org/jira/browse/S4-99?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13548423#comment-13548423
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Matthieu Morel commented on S4-99:
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S4-95 provides pluggable stream executors as well as event senders. These are
good places for specifying custom load shedding strategies.
> Provide injectable load shedding mechanism
> ------------------------------------------
>
> Key: S4-99
> URL: https://issues.apache.org/jira/browse/S4-99
> Project: Apache S4
> Issue Type: Improvement
> Reporter: Matthieu Morel
>
> The main queues in S4 are the NIO buffer and the Stream event queue. The
> stream event queue is a good place for implementing various load shedding
> strategies, because metadata is available from the EventMessage class.
> Currently, the default mechanism is avoid load shedding by using a blocking
> write operation on the stream queue. We already experiment alternatives (see
> S4-62), but the best way would be a pluggable mechanism.
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