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Performance issues following upgrade to Mattermost 6.0.0

Upgraded from 5.32 to 6.0.0. Although the DB schema changes took forever–it successfully upgraded. But now regardless of the client (Windows Desktop, Android, iPhone, or Web Browser), users are complaining about sluggish behavior. I’ve also been able to replicate it. It also seems that this version is far more DB intensive then the previous one. Has anyone else experienced this? Any suggestions?

O/S: Ubuntu 20.04
DB: MySQL 8.0.26-0ubuntu0.20.04.2
Server: AWS EC2 “c5.2xlarge” instance (16GB RAM, 8 vCPUs, 500GB EBS)

Stats:

Opened a ticket for our team to take a look: [MM-39433] Performance issues reported on 6.0 - Mattermost

@ben.carrasco - We think this is tied to the linkPreviews and permalinkPreviews feature.

Would you be able to set ServiceSettings.EnableLinkPreviews and ServiceSettings.EnablePermalinkPreviews to false and report back to us if that helps?

Thanks.