mcw0933 edited a comment on issue #5297: AIRFLOW-2143 - Fix TaskTries graph counts off-by-1 URL: https://github.com/apache/airflow/pull/5297#issuecomment-546650117 Thanks for the ping @OmerJog. @ashb - yes, the Gantt view did have logic that benefits from using this property instead. So did a couple other locations dealing with non-running / no-longer-running tasks in the `TaskInstance` class itself. I hadn't intended for this to be such an invasive change, I really only wanted to affect the UI labels on TaskTries. I use the TaskTries graph a lot in my work to understand misbehaving tasks in my data pipelines, and the off-by-1 is an annoyance. That said, I do feel like the +1 behavior in `try_number` is confusing, and it's clear other committers have had to try to work around it. I would totally understand if any more experienced maintainers would prefer a more thorough refactor of how that property works, or when/whether the `prev_attempted_tries` property should be used instead.
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