Nico Kruber created FLINK-19462:
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Summary: Checkpoint statistics for unfinished task snapshots
Key: FLINK-19462
URL: https://issues.apache.org/jira/browse/FLINK-19462
Project: Flink
Issue Type: Improvement
Components: Runtime / Checkpointing, Runtime / Metrics
Reporter: Nico Kruber
If a checkpoint times out, there are currently no stats on the not-yet-finished
tasks in the Web UI, so you have to crawl into (debug?) logs.
It would be nice to have these incomplete stats in there instead so that you
know quickly what was going on. I could think of these ways to accomplish this:
* the checkpoint coordinator could ask the TMs for it after failing the
checkpoint or
* the TMs could send the stats when they notice that the checkpoint is aborted
Maybe there are more options, but I think, this improvement in general would
benefit debugging checkpoints.
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