Zhanghao Chen created FLINK-31936:
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Summary: Support setting scale up max factor
Key: FLINK-31936
URL: https://issues.apache.org/jira/browse/FLINK-31936
Project: Flink
Issue Type: Improvement
Components: Autoscaler
Reporter: Zhanghao Chen
Currently, only scale down max factor is supported to be configured. We should
also add a config for scale up max factor as well. In many cases, a job's
performance won't improve after scaling up due to external bottlenecks.
Although we can detect ineffective scaling up would block further scaling, but
it already hurts if we scale too much in a single step which may even burn out
external services.
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