Thanks Sinha and +1 from me. Given the scope of the changes and the simplified workflow, it would be reasonable to move forward with the PR review progress if there are no further comment to proceeding via a FLIP,
Looking forward to more comments about this thread. Best regards, Yuepeng Pan P Sinha <[email protected]> 于2026年8月1日周六 18:38写道： > Hi everyone, > > I would like to open a discussion on FLINK-39566 [1] / PR #28060 [2], which > adds > a checkpoint duration timeline ("Gantt") view to the Checkpoints tab in the > Web > UI. It came up during review that this is worth wider input before it goes > further. > > Today, diagnosing a slow checkpoint means scanning the per-subtask table > row by > row. The new "Timeline" tab shows one stacked bar per subtask across the > four > phases (start_delay, alignment, sync, async), sorted by duration. A > screenshot is > in the PR. > > It is frontend only: no backend, REST or public API changes, no new > dependencies, > and no new data -- it renders the same fields the subtask table already > shows. > > Any thoughts would be welcome. > > [1] https://issues.apache.org/jira/browse/FLINK-39566 > [2] https://github.com/apache/flink/pull/28060 >
