[FOLIO-2326] Modify Okapi Cluster RDS instance class Created: 25/Oct/19  Updated: 03/Jun/20  Resolved: 08/Mar/20

Status: Closed
Project: FOLIO
Components: None
Affects versions: None
Fix versions: None

Type: Task Priority: P3
Reporter: Peter Murray Assignee: John Malconian
Resolution: Done Votes: 0
Labels: devops
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original estimate: Not Specified

Issue links:
Blocks
blocks FOLIO-2325 Purchase reserved instances for `foli... In Progress
Sprint: DevOps: sprint 83
Development Team: FOLIO DevOps

 Description   

Move the RDS instance class to `db.m5`, then Peter Murray will buy the RIs in FOLIO-2325 In Progress .



 Comments   
Comment by Peter Murray [ 11/Nov/19 ]

FYI, John: this is as easy as the documentation makes it out to be. For Jira and Confluence, I shut down the EC2 servers before doing the RDS instance class change, so I had the advantage of knowing everything was idle before making the change. I'm not sure what you'd want to do with all of the stuff running on the K8 cluster. For Jira/Confluence, doing the change immediately took about 8-10 minutes; I suppose all of the Okapi calls would just fail/time-out during that time. Because I wasn't sure what the impact on the cluster was going to be, I haven't made the changes to the K8 Postgres RDS instances—but I would like to get those RDS instances under reserved contracts as soon as practical.

Comment by John Malconian [ 08/Mar/20 ]

okapi-preview RDS left at db.m3.medium since there is no m5 class equivalent. folio-eks-oregon-1 RDS has been converted from db.m4.xlarge to db.m5.xlarge.

Comment by Peter Murray [ 09/Mar/20 ]

Hey, John. I'm sorry if I misunderstood, but I thought `okapi-preview` in `us-west-2b` was a high-availability failover for `folio-eks-oregon-1` in `us-west-2a`. If that is true, shouldn't they be the same size?

I'll buy the reserved instance for the `db.m5.xlarge` in `us-west-2a` and wait to hear back from you about the other before puchasing that one.

Comment by John Malconian [ 10/Mar/20 ]

No, actually the okapi-preview DB is a db for a specialized Okapi environment. It is not a failover.

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