viiccwen opened a new pull request, #62085:
URL: https://github.com/apache/airflow/pull/62085
### Summary
This PR adjust how the Grid view refreshes task summaries by slowing down
refreshing pending tasks.
* closes: #62033
* related: #62020
### Detailed
1. adds `isSelected` parameter in `useGridTiSummaries` hook.
2. only keep the selected DAG run on the default `useAutoRefresh` interval.
(3s)
3. slow down non-selected DAG run by a fixed multiplier. (**currently 5x ->
15s, we can discuss in the comments : D**)
### Benchmark results
| Visible DAG runs | Before (requests / 60s) | After (requests / 60s) |
Reduction |
|------------------|-------------------------|------------------------|-----------|
| 5 | 100 | 36 | 64%
|
| 10 | 200 | 56 | 72%
|
| 25 | 500 | 116 |
76.8% |
| 50 | 1000 | 216 |
78.4% |
This result only calculates ideally, not in realistic situation. (bcz we
need to consider about network etc.)
- The currently selected DAG run still refreshes at the original
auto-refresh interval, so the behavior as before.
- Non-selected runs refresh less frequently, but still often enough to serve
as an overview. (IMO)
No API contract changes are introduced; the change is limited to the Grid
view’s client-side polling strategy.
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