I am currently running a Flink job in batch mode and using the Accumulator
API to develop some statistics:
https://nightlies.apache.org/flink/flink-docs-release-1.7/api/java/index.html?org/apache/flink/api/common/accumulators/class-use/Accumulator.html

I expected the job to display the accumulator results in the Flink History
Server after completion, but the UI remains blank. After some
investigation, I discovered that the accumulator values are only visible
while the job is running.

Is this the expected behavior? Does the community have any plans to enable
viewing accumulator results after the job has completed, similar to how it
works in Spark? Thank you!

best
Lu

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