Two OOM exceptions occurred in codfw after the data-center switch over, that is, after change-propagation updates were moved to eqiad. While this may be related to known issues, it is unusual enough that it warrants a closer look.
See also:
Description
Description
| Status | Subtype | Assigned | Task | ||
|---|---|---|---|---|---|
| Resolved | Eevans | T160759 Cassandra OOMs | |||
| Resolved | Eevans | T163506 Analyze Cassandra heapdumps from 2017-04-19 outage of 2005-c and 2010-b |
Event Timeline
Comment Actions
Unfortunately, both of these heap dumps seem to have corrupted by Cassandra's OOM error handling; I don't think there is anything useful to be learned from these.