+1 for moving forward. Given the scope of the change that it only renders already available data into a more human-readable form I do not see the necessity of a FLIP.
I am not consider myself that competent in Angular to actually review the change, but the idea and the presentation makes sense. Best, Ferenc On Wednesday, August 5th, 2026 at 04:14, Yuepeng Pan <[email protected]> wrote: > 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 > > >
