Anton Kalashnikov created FLINK-24467:
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Summary: Set min and max buffer size even if the difference less
than threshold
Key: FLINK-24467
URL: https://issues.apache.org/jira/browse/FLINK-24467
Project: Flink
Issue Type: Bug
Components: Runtime / Checkpointing
Affects Versions: 1.14.0
Reporter: Anton Kalashnikov
Assignee: Anton Kalashnikov
Right now, we apply a new buffer size only if it differs from the old buffer
size more than the configured threshold but if the old buffer size is close to
the max or min value less than this threshold we are always stuck on this
value. For example, if we have the old buffer size 22k and our threshold is 50%
then the value which we can apply should 33k but this is impossible because the
max value is 32k so once we calculate the buffer size to 22k it is impossible
to increase it.
The suggestion is to apply the changes every time when we calculate the new
value to min or max size and the old value was different.
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