fb-mongod Infra Optimization
Background
Hi Team, Due to the lower demand and some of the usage that already migrated from fb-mongod. fb-mongod will have scheduled downgrade at 2020-05-06T21
:00:00+07:00. There will be no downtime for primary and secondary during the downgrade process but We will need your help to monitor during the downgrade if your service have active connection to it. The details of the fb-mongod downgrade plan can be found in this document.
Risk & Impact
Impacted Resources:
- fb-mongod-01.main.tvlk.cloud. 172.20.122.188
- fb-mongod-02.main.tvlk.cloud. 172.20.103.142
- fb-mongod-03.main.tvlk.cloud. 172.20.110.166
- fb-mongod-04.main.tvlk.cloud. 172.20.114.98 (Hidden Secondary will have downtime during the upgrade)
There are some product domain that will be impacted since it still have active connection to fb-mongod and We will need representatives from the pd to monitor and inform your product team.
- FPR
- APR
- ENT
- PAY
- TRP
- XPE
- MTE
- BPG
Please ping @amal.syahreza, @janessa.tarigan, @jiwo or @andrew.saputra if you have any question or concern. 
:bow:
Edit 1: Include Hidden secondary mongo in the downgrade plan)