Site maintenance, June 13, 2018

[11:18am] The Commons will be undergoing some site maintenance this evening, Wednesday, June 13, 2018. Users may experience periodic downtime between 10pm and 11pm EDT.

Performance issues, June 7, 2018

[11am EDT] The Commons is experiencing intermittent performance issues, which may make the site slow to respond in some cases. The technical team is investigating the issue.

[4pm EDT] The Commons will be unavailable for a maintenance window, starting at 9:30pm EDT, June 7, 2018, while we perform some system upgrades that we hope will address these issue. We expect the downtime to last about 90 minutes.

Maintenance window, May 7, 2018

The Commons team has planned a maintenance window for 11am EDT on Monday, May 7, 2018. The window is expected to last around 15 minutes. The Commons will be unavailable during this time.

Maintenance window, Thursday, May 3, 2018

The Commons will experience a scheduled maintenance window beginning at 11pm EDT on Thursday, May 3, 2018. The site will be unavailable during this time. The downtime is expected to last less than one hour.

Maintenance window, February 28-March 1, 2018

The Commons will experience a maintenance window beginning at 11pm EST on February 28, 2018. The site will be unavailable during this time. We anticipate that the downtime will last up to three hours.

January 7 Scheduled Downtime

The Commons will be down for several hours on the morning of January 7, 2018 while the Graduate Center performs some hardware maintenance.

Commons downtime – October 21

[2:37pm EDT] The Commons is currently down, due to a broken database connection. Our technical team is looking into it.

[2:52pm EDT] UPDATE: The site is back up. We’re investigating the root cause.

March 3 – Performance issues

[2016-03-03 6:00pm] The Commons is currently experiencing intermittent performance issues. The team is investigating. Please watch this space for updates.

Commons downtime

[10:15pm EST] The Commons is currently unavailable while we investigate some abnormal behavior.

[Update 10:37pm EST] The site is available again. The problem appears to be related to a corrupted object cache, which was resolved with a hard flush of Memcached.

Maintenance downtime

The Commons will be offline for a few minutes for maintenance related to recent performance issues.

[4:35pm] The site is back online. We’ve put an emergency caching layer in front of one of the sources of the issues, and site resources are stabilizing.