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From "zhijiang (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (FLINK-7377) Implement FixedBufferPool for floating buffers in SingleInputGate
Date Mon, 07 Aug 2017 02:45:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-7377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

zhijiang closed FLINK-7377.
---------------------------
    Resolution: Duplicate

> 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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