[jira] [Comment Edited] (FLINK-23458) Document required number of buffers in the network stack

["Piotr Nowojski (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-23458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17423864#comment-17423864 ] 

Piotr Nowojski edited comment on FLINK-23458 at 10/4/21, 9:47 AM:
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Thanks for pointing this out [~xtsong], somehow it slipped my attention. [~akalashnikov] can you take care of this? And create a translation ticket for someone to pick it up?


was (Author: pnowojski):
Thanks for pointing this out [~xtsong], somehow it slipped my attention. [~akalashnikov] can you take care of this?

> Document required number of buffers in the network stack
> --------------------------------------------------------
>
>                 Key: FLINK-23458
>                 URL: https://issues.apache.org/jira/browse/FLINK-23458
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Documentation, Runtime / Network
>    Affects Versions: 1.11.4, 1.14.0, 1.12.5, 1.13.2
>            Reporter: Anton Kalashnikov
>            Assignee: Anton Kalashnikov
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 1.14.0
>
>
> Currently it seems that it's not mentioned anywhere what's the number of required number of buffers. And that this number is different than the configured number of exclusive/floating buffers. It should be mentioned in that both {{taskmanager.network.memory.floating-buffers-per-gate}} and {{taskmanager.network.memory.buffers-per-channel}} are best effort and not guaranteed.



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