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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2020/04/01 03:30:38 UTC

[GitHub] [flink] wsry commented on issue #11088: [FLINK-16012][runtime] Reduce the default number of buffers per channel from 2 to 1

wsry commented on issue #11088: [FLINK-16012][runtime] Reduce the default number of buffers per channel from 2 to 1
URL: https://github.com/apache/flink/pull/11088#issuecomment-607006754
 
 
   @pnowojski I will update the results with 0 exclusive buffer (only downstream) latter after the dead lock problem is solved by FLINK-16641. For upstream, at least 1 buffer is needed for each subpartition currently, so 0 exclusive buffer is not enough. (Maybe an easy way to fix it is to further split buffer into smaller ones if the number of available buffers is not enough)

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