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Revision as of 21:02, 6 September 2014

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== Orain Site Update #2 ==
 
This is an update of all technical changes and issues during the month of August.
 
; Technical Changes
* [[techwiki:prod1|prod1]] was removed from active maintenance on August 6th and removed from the cluster a week later.
* Orain migrated from RamNode to DigitalOcean. The work began on August 17th
* We moved away from Memcached to Redis for session and general caching on all Orain servers.
* We added [[techwiki:prod7|prod7]] to the cluster during the migration. It is responsible for Redis and static content hosting.
 
; Technical Issues
* The job queue did not run any job for 4 days as a result of permissions errors with Redis. We have rolled back to using the database for this for now.
* All wikis experienced database issues shortly after the migration as a result of MariaDB cache taking up excessive disk space. To fix this in the long term, [[techwiki:prod5|prod5]] was recycled as a new database server.
* For an hour on the 25th of August, users occasionally got caching errors and log in issues as a result of Redis taking up excessive disk space.
 
On behalf of Orain staff, [[m:User:John|John]] ([[m:User talk:John|talk]]) 22:02, 6 September 2014 (BST)
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