Open Library Search slowdown, Oct 20, 02:20 UTC
Incident #3 · lasted 20 min · automatic post-mortem from stored checks
- SlowOpen Library Searchresponses 1509 ms and 2728 ms (threshold 1500 ms)resolved · 20 minOct 20, 02:20 UTC · post-mortem →
What happened
Open Library Search responded slowly: 3 checks during the incident, peaking at 2728 ms against a 7-day median of 1174 ms (2.3× normal).
Was it just this API?
0 other incident(s) overlapped, and 1 other API(s) failed at least one check in the same window, so this may have been a wider or network-level problem.
Response time, one hour either side
Shaded band = incident window. Red dots = failed checks.
Recovery: the first passing check closed the incident.
Raw checks
| 01:20 | OK 200 | 735 ms | |
| 01:30 | OK 200 | 872 ms | |
| 01:37 | OK 200 | 1339 ms | |
| 01:37 | OK 200 | 1177 ms | |
| 01:38 | OK 200 | 827 ms | |
| 01:40 | OK 200 | 571 ms | |
| 01:50 | OK 200 | 983 ms | |
| 02:00 | OK 200 | 1483 ms | |
| 02:10 | OK 200 | 883 ms | |
| 02:20 | OK 200 | 1509 ms | |
| 02:30 | OK 200 | 2728 ms | |
| 02:40 | OK 200 | 1079 ms | |
| 02:50 | OK 200 | 760 ms | |
| 03:00 | OK 200 | 3992 ms | |
| 03:10 | OK 200 | 1359 ms | |
| 03:20 | OK 200 | 2760 ms | |
| 03:30 | OK 200 | 979 ms | |
| 03:40 | OK 200 | 2907 ms |
Measured from a single server in Sweden every 10 minutes. See Open Library Search status.