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https://issues.apache.org/jira/browse/FLINK-7377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16116017#comment-16116017
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zhijiang commented on FLINK-7377:
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repeated in [FLINK-7378|https://issues.apache.org/jira/browse/FLINK-7378]
> Implement FixedBufferPool for floating buffers in SingleInputGate
> -----------------------------------------------------------------
>
> Key: FLINK-7377
> URL: https://issues.apache.org/jira/browse/FLINK-7377
> Project: Flink
> Issue Type: Task
> Components: Core
> Affects Versions: 1.4.0
> Reporter: zhijiang
> Assignee: zhijiang
>
> Currently the number of network buffers in {{LocalBufferPool}} for
> {{SingleInputGate}} is limited by {{a * <number of channels> + b}}, where a
> is the number of exclusive buffers for each channel and b is the number of
> floating buffers shared by all channels.
> Considering the credit-based flow control feature, we want to implement a new
> fixed size buffer pool type used to manage the floating buffers for
> {{SingleInputGate}}.
> Compared with {{LocalBufferPool}}, this is a non-rebalancing buffer pool
> which will not participate in redistributing the left available buffers in
> {{NetworkBufferPool}}.
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