[ https://issues.apache.org/jira/browse/FLINK-16012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yingjie Cao updated FLINK-16012: -------------------------------- Attachment: (was: image-2020-02-13-23-30-17-951.png) > Reduce the default number of exclusive buffers from 2 to 1 on receiver side > --------------------------------------------------------------------------- > > Key: FLINK-16012 > URL: https://issues.apache.org/jira/browse/FLINK-16012 > Project: Flink > Issue Type: Improvement > Reporter: Zhijiang > Assignee: Yingjie Cao > Priority: Major > Labels: pull-request-available > Fix For: 1.11.0 > > Time Spent: 10m > Remaining Estimate: 0h > > In order to reduce the inflight buffers for checkpoint in the case of back > pressure, we can reduce the number of exclusive buffers for remote input > channel from default 2 to 1 as the first step. Besides that, the total > required buffers are also reduced as a result. We can further verify the > performance effect via various of benchmarks. -- This message was sent by Atlassian Jira (v8.3.4#803005)