Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/3467
I think this is a good change, merging this...
@zhijiangW Managing the buffers changes in some followup PR, first
adjusting the local pools, then the global pool. Managing buffers in a global
pool can help when caching data, such as for batch jobs. But we can take
suggestions followup improvements as a separate thread, after this improvement
is in.
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