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Posted to issues@flink.apache.org by "Yingjie Cao (Jira)" <ji...@apache.org> on 2020/10/26 02:44:00 UTC
[jira] [Updated] (FLINK-18762) Make network buffers per
incoming/outgoing channel can be configured separately
[ https://issues.apache.org/jira/browse/FLINK-18762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yingjie Cao updated FLINK-18762:
--------------------------------
Fix Version/s: (was: 1.12.0)
1.13.0
> Make network buffers per incoming/outgoing channel can be configured separately
> -------------------------------------------------------------------------------
>
> Key: FLINK-18762
> URL: https://issues.apache.org/jira/browse/FLINK-18762
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Network
> Reporter: Yingjie Cao
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.13.0
>
>
> In FLINK-16012, we want to decrease the default number of exclusive buffers at receiver side from 2 to 1 to accelerate checkpoint in cases of backpressure. However, number of buffers per outgoing and incoming channels are configured by a single configuration key. It is better to make network buffers per incoming/outgoing channel can be configured separately which is more flexible. At the same time, we can keep the default behavior compatible.
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