Bug 2057561 - Reduce alert lookup time (Fix 1) - #9742
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July 31, 2026 12:32
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Bug 2057561 - Improve frontend performance on Graphs View
Inside series.data.map(...), every datapoint calls alertSummaries.find(...) and commonAlerts[0].find(...). With 5 series × 2,000 points × 50 alerts that's ~500k comparisons. Fix: Build two Maps keyed by push_id once per series before the map, lookups become O(1).
Before:
After:
