[RESOLVED] SERVICE INTERRUPTION; 06/3/2014; 3:30PM, PST

An issue with Single Sign On (SSO) has been resolved. Thank you for your patience during this time.

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SERVICE INTERRUPTION; 06/3/2014; 3:30PM, PST

Yammer is currently experiencing some issues with Single Sign On (SSO). The engineering team are investigating. We will update here with additional information as it becomes available.

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[ROOT CAUSE ANALYSIS] Service Interruption 05/26/2014

At 12:04am PST on May 26th, Yammer on-call engineers began investigation of platform performance issues. At 12:55am PST, a batch of servers that handle background posting of Yammer messages were identified as having issues with database connectivity.

At this point the engineering team followed standard procedures to restart the worker processes on each of these servers. Following these restarts, database connectivity was established again on all servers, and queued messages started to post at 1.35am PST. By 6:06am PST the backlog of messages was cleared, and message delivery times had returned to normal.

In order to prevent similar performance degradation in the future we are adding additional monitoring for database connection issues.

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[RESOLVED] SERVICE INTERRUPTION; 05/26/2014; 03:13AM, PST

Yammer Message delivery has resumed normal service and this issue has now been resolved. Thank you for your patience.

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[UPDATE] SERVICE INTERRUPTION; 05/26/2014; 02:39AM, PST

Yammer Engineering and On-Call teams continue to work on an issue causing delayed posting of messages. Message delivery is improving, but there is a backlog of delayed messages, which will require more time to resolve. We will update here with additional information as it becomes available.

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[UPDATE] SERVICE INTERRUPTION; 05/26/2014; 01:33AM, PST

We are continuing to investigate an issue which is causing customers to experience delayed posting of messages. We will update here with additional information as it becomes available.

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SERVICE INTERRUPTION; 05/26/2014; 12:27AM, PST

Yammer is currently experiencing some issues with messages posting. The engineering team are investigating. We will update here with additional information as it becomes available.

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