Mackerel Team Director 
id:daiksy here.
This is an announcement to report that the planned database maintenance scheduled for February 27th, 2018 (Tue) was successfully completed without incident.
On the day of, maintenance started on schedule at 2:30 p.m. (Japan time) and was completed a little ahead of schedule at 4:47 p.m. We understand that this extended period of system stoppage was an inconvenience and we greatly appreciate your cooperation.
Maintenance time period
Operations were carried out in the following sequence.
- 2:30 p.m. ~ 3:30 p.m.: System shutdown and database maintenance implementation
- 3:30 p.m. ~ 4:47 p.m.: Operation Confirmation
Metrics from mackerel-agent that could not be processed during the system downtime were retransmitted starting at 3:30 p.m. and were all confirmed successfully completed about 30 minutes thereafter.
Here at Mackerel, we will continue to do our best to maintain a stable work environment for our users in the future. Thank you for your cooperation and thank you for choosing Mackerel.
