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Historical trends

Success rate, failure rate, throughput over time.

Per-bucket task outcome counts and average runtime, returned by a dialect-aware /trends endpoint (same query runs on SQLite dev + Postgres prod). Dashboard renders native-SVG line charts with hover tooltips.

Preview
z4j dashboard — Historical trends
Trends Last 24 hours 1h 6h 24h 7d SUCCESS RATE 98.2% FAILURES 127 THROUGHPUT 4.2k/h RETRIES 43 Task outcomes over time Success Failure Retry

Mockup of the dashboard view for this feature. Live-reloading and themed to match your dashboard.

Ships with

  • 5 window presets: 1h / 6h / 24h / 72h / 7d
  • 500-bucket guard prevents expensive queries
  • Dialect-aware time bucketing (Postgres to_timestamp + SQLite strftime)
  • Stat tiles: success / failure / failure-rate / retries
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