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https://issues.apache.org/jira/browse/FLINK-24191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Piotr Nowojski updated FLINK-24191:
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Fix Version/s: (was: 1.16.0)
> Adjusting number of buffers besides buffer size
> -----------------------------------------------
>
> Key: FLINK-24191
> URL: https://issues.apache.org/jira/browse/FLINK-24191
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Network
> Affects Versions: 1.14.0
> Reporter: Anton Kalashnikov
> Priority: Major
>
> "Buffer debloat" adjusts only the buffer size but it also makes sense to
> adjust the number of buffers. It is not clear for now what should be adjusted
> and in which proportions so it needs to think about how to figure this out.
> The main idea of this ticket is to understand what is better to have one
> buffer of 10 records or 10 buffers of 1 record. On one hand handling of each
> buffer has an overhead on another hand, in case of low load it doesn't
> really make sense and it is ok to have many buffers with small sizes.
> Perhaps, we need benchmarks(microbenchamrk) to understand correlation between
> performance / buffers number / buffer size.
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