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Andras Bacsai
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1.1 KiB
Metrics & Snapshots
Where to Find It
Search with search-docs:
"horizon metrics snapshot"for the snapshot command and scheduling"horizon trim snapshots"for retention configuration
What to Watch For
Metrics dashboard stays blank until horizon:snapshot is scheduled
Running horizon artisan command does not populate metrics automatically. The metrics graph is built from snapshots, so horizon:snapshot must be scheduled to run every 5 minutes via Laravel's scheduler.
Register the snapshot in the scheduler rather than running it manually
A single manual run populates the dashboard momentarily but will not keep it updated. Search "horizon metrics snapshot" for the exact scheduler registration syntax, which differs between Laravel 10 and 11+.
metrics.trim_snapshots is a snapshot count, not a time duration
The trim_snapshots.job and trim_snapshots.queue values in config/horizon.php are counts of snapshots to keep, not minutes or hours. With the default of 24 snapshots at 5-minute intervals, that provides 2 hours of history. Increase the value to retain more history at the cost of Redis memory usage.