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https://issues.apache.org/jira/browse/FLINK-9253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann updated FLINK-9253:
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Fix Version/s: 1.6.2
> Make buffer count per InputGate always #channels*buffersPerChannel +
> ExclusiveBuffers
> -------------------------------------------------------------------------------------
>
> Key: FLINK-9253
> URL: https://issues.apache.org/jira/browse/FLINK-9253
> Project: Flink
> Issue Type: Sub-task
> Components: Network
> Affects Versions: 1.5.0, 1.6.0
> Reporter: Nico Kruber
> Assignee: Nico Kruber
> Priority: Major
> Fix For: 1.7.0, 1.6.2, 1.5.5
>
>
> The credit-based flow control path assigns exclusive buffers only to remote
> channels (which makes sense since local channels don't use any own buffers).
> However, this is a bit intransparent with respect to how much data may be in
> buffers since this depends on the actual schedule of the job and not the job
> graph.
> By adapting the floating buffers to use a maximum of
> {{#channels*buffersPerChannel + floatingBuffersPerGate - #exclusiveBuffers}},
> we would be channel-type agnostic and keep the old behaviour.
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