chenyuzhi created FLINK-30818:
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Summary: add metrics to measure the count of window
Key: FLINK-30818
URL: https://issues.apache.org/jira/browse/FLINK-30818
Project: Flink
Issue Type: Improvement
Components: Runtime / Metrics
Reporter: chenyuzhi
when recovering a job which using window operator, taskmanager will need more
resouce(cpu/memory) to process incoming data because there are too many created
window on the cenario of data backlog.
Thus, maybe we should add metrics to measure the count of window.
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