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ID :
399
Titre :
mysql1 performance degraded
Statut :
terminé
Date de début :
31 mars 2016 13:29
Date de fin :
1 avr. 2016 17:26
Serveurs concernés :
mysql1

Mises à jour

31 mars 2016
13:30

We’re investigating.

31 mars 2016
14:05

We’re still trying to understand why we’re having issues.

31 mars 2016
14:55

We don’t have an ETA yet, we’re still investigating.

31 mars 2016
15:09

We seem to have found a temporary workaround.

31 mars 2016
16:37

We’ll continue using the workaround for now and keep investigating for a more permanent fix.

1 avr. 2016
9:37

The workaround is not as effective as yesterday, we’re observing a higher system load than usual.

1 avr. 2016
10:55

We’re pretty sure the underlying issue is a MySQL bug. Upgrading to a major MySQL version with no prior notification to our clients is not something we want to do.

We’re instead installing a new MySQL server (running MariaDB 10.1). Clients that want to migrate from mysql1 to this new server should contact us by opening a support ticket from their administration panel.

1 avr. 2016
13:45

The new MySQL server is ready, migrations will start shortly (for clients that opened a ticket).

1 avr. 2016
15:02

We’ve restarted mysql1 10 minutes ago, it’s been running smoothly since then, although we cannot explain why.

1 avr. 2016
17:29

mysql1 is still running fine. Migrations have been suspended for now as some databases refuse to get reimported and we’d like to find a proper solution until we resume the process.