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File Serving Issue

February 28, 2017

At this point, all Slack features are fully functional, though we're investigating the state of files uploaded during the incident.
12:24pm PST
We continue to see degraded service for a subset of Slack features, while messaging continues to be unaffected.

Thanks for bearing with us.
10:34am PST
(upgraded severity)

We are experiencing degraded service for the following Slack features due to a problem with one of our underlying services:
• failed file uploads
• failed file serving
• slow URL unfurls
• slow Slackbot responses

Standard messaging is unaffected. We are continuing to investigate ways to mitigate the underlying issue.
10:03am PST
One of our underlying services to provide file sharing is currently operating at diminished capacity. We are investigating. Standard messaging is unaffected.