Queues Overview

All Queues Operational


Queue Purpose Status
Size

The number of jobs within a queue.

Latency

The waiting time for jobs to start processing in the queue. High latency may indicate a busy system or processing delays.

Default

Schedule course updates by sorting courses into queues depending on how long they run.

Handles frequently-run tasks like adding courses to the update queues. Normal 0 0 seconds
Short update

Short updates process courses with fewer than 1,000 revisions.

Handles updates for small courses. Normal 488 50 minutes 10 seconds
Medium update

Medium updates process courses with fewer than 10,000 revisions.

Handles updates for typical-sized courses. Normal 112 50 minutes 14 seconds
Long update

Long updates process courses with more than 10,000 revisions.

Handles updates for large courses. Normal 173 10 hours 0 minutes
Daily update

This pulls in additional data and performs other tasks that do not need to be done many times per day.

Handles once-daily long-running data update tasks. Normal 0 0 seconds
Constant update

Constant updates are independent of the main course stats, pulling in revision metadata, generating alerts, and doing other data and network-intensive tasks, for all current courses.

Handles transactional jobs like wiki edits and sending email. Normal 0 0 seconds

Sidekiq Stats

794
Enqueued jobs

The number of currently enqueued jobs in all queues.

7
Active jobs

The number of currently processing jobs.