nexus/Cloud DevOps/OpsBNOM Cloud Infra Cost Review.md

title, source, author, published, created, description, tags

title	source	author	published	created	description	tags
ITOM Cloud Service Delivery : OpsB/NOM Cloud Infra Cost Review	http://127.0.0.1:8999/686065571.html	Sunny Xia	2024-08-14	2026-09-07		clippings

Introduction

This page presents all the OpsB/NOM SaaS related cost review results.

2025-06-05

3.1 [EU-Managed eu28-eu32] Upgrade the EKS version to 1.32 before 2025-11-26 for OBM, to prevent $500/mo extra cost on extend support REVIEWING (Here Should be Raluca/Razvan)

2025-05-23

Remove the unused EBS snapshots, save around $???/mo REVIEWING

2025-03-27

Reorganize the volume related tasks, Change io2 → gp3 3000 iops + 125MB, gp2 → gp3 3000 iops + 125MB it improves the performance and save cost. Christian has reviewed

1. itom-sa-ext-stg (014842986998), save around $ 1500 /mo ALMOST DONE By Raluca, two io2 volume left
2. i tom-sa-ext-trial (493286294651), save around $ 900 /mo owner: Raluca. 14 io2, 33 gp2 left in Oregen, planned in second half of April
3. itom-sa-ext-prod , Oregen, save around $ 2000 /mo owner: Raluca, need to plan accordingly
4. itom-sa-ext-prod , Frankfurt, save around $ 2900 /mo **owner: Raluca, need to plan accordingly
   **
5. itom-sa-ext-prod , Canada, save around $ 2000 /mo owner: Raluca, need to plan accordingly
6. itom-sa-int-lab (789610210433), save around $200/mo **owner: Raluca. 2 io2, 3 gp2 left in Oregen. They are newly created less than a month. planned in second half of April
   **

• itom-sa-int-lab (789610210433) Remove 106 unused EBS volumes, save around $ 900 /mo DONE only 10 left on 2025/01/21, 0 left on 2025/02

2025-03-13

Reorganize the RI related tasks:

1. Buy RI for RDS instances, save around $4500 ~ $8000/mo depends on the RI plan: REVIEWING lingyan/jacky provide a draft, and review with the team, one year RI. Wei has provided the customer license file, Owner: lingyan to cross check the RI planning and the customer license
   OpsB/NOM AWS Infra RI & Saving Plan Proposal
2. Buy RI for Open Search, save around $900 ~ 1500/mo depends on the RI plan: REVIEWING Owner: lingyan provide the draft
   OpsB/NOM AWS Infra RI & Saving Plan Proposal

Reorganize the multi-az to single-az related tasks:

1. 493286294651 Oregen, change 4 dev/qa RDS from multi-az to single-az, save around $ 600 /mo DONE Owner: Raluca
2. 493286294651 Frankfurt, change 1 dev/qa RDS from multi-az to single-az, save around $150/mo DONEOwner: Raluca
3. 181608496217 Oregen, change 4 dev/qa RDS from multi-az to single-az, save around $ 600 /mo DONEOwner: Raluca
4. 181608496217 Frankfurt, change 1 dev/qa RDS from multi-az to single-az, save around $150/mo DONEOwner: Raluca
5. 181608496217 London, change 1 dev/qa RDS from multi-az to single-az, save around $150/mo DONEOwner: Raluca

2025-03-12

1. Remove the unused AMIs, save around $868.65/mo DONE

2025-01-21

itom-sa-ext-prod

1. Frankfurt
   1. And/Or turn off odl-farm-fra-2-itom-postgres, as there are no connections for at least 4 weeks. save around $400/mo DONE 2. Upgrade EKS version of odl-farm-fra-2-EKS-Cluster, save $292/mo **DONE to be terminated
      ** 3. And remove not used volumes, extra save around $300/mo PLANNED owner: Raluca
2. Oregon
   1. And/or turn off nasdaq-dev-us2-itom-postgres, as there are no connections for at least 4 weeks, save around $300/mo NO PLAN As it's a paid instance by the customer 2. Remove not used volumes, extra save around $300/mo REVIEWING
3. London
   1. 4 iconmon-EKS-Worker-instance, change size from c5a.12xlarge → c5a.6xlarge, save around $3000/ mo REVIEWING Last 4 weeks usage less than 10% CPU. Lingyan check with Brindusa on the planning 2. 6 iconmon-dev-EKS-Worker-instance, change size from c5a.4xlarge → c5a.2xlarge, save around $1500 /mo REVIEWING Last 4 weeks usage less than 15% CPU. Lingyan check with Brindusa on the planning 3. 3 vertica dev ec2 instances, change size from r5.4xlarge → r5.2xlarge, $1000 /mo NO PLAN As recently the usage is up to 60%.
4. Canada
   1. Remove not used volumes, extra save around $200/mo REVIEWING

2024-08-14

itom-sa-int-lab

1. Cleanup the resources in Frankfurt (VPC, ECR, KMS), Save around $100/mo NO PLAN
2. Drop unused RDS instances ( farm-drtest-itom-postgres-restored nom-drtest-itom-postgres-restored), save around $ 1160 /mo DONE
3. Change EBS from io2/gp2 to gp3, save around $200/mo **DONE
   **
4. Reduce the size of EC2 instances odl-farm-242razvan-EKS-Worker-instance c5a.4xlarge → m6g.2xlarge, save around $200/mo **DONE The instance has gone 2025/01/21
   **
5. Reduce the vertica server size from r5.4xlarge → r5.2xlarge, save around $ 1300 /mo REVIEWING

Process:

Plan without downtime:

REVIEWING → PLANNED → DONE

Plan with downtime:

REVIEWING → → DONE

Didn't pass the review:
REVIEWING → NO PLAN

**Backup policy: keep only one month.
**

May consider remove montest2-itom-postgres-snapshot

Tools:

1. AWS cost calculator https://calculator.aws/#/addService
2. Cost Optimization Hub.../costmanagement/home#/cost-optimization-hub
3. AWS Trusted Advisor Report

Further high risk task consider in the future:

1. Consider to change other RDS instances to single-az depends on the requirement.

Posted by lmeng2 at Jan 21, 2025 04:07 EST

Cleanup the ECR regularly: $150

Posted by lmeng2 at Jan 22, 2025 03:26 EST

Jacky mentioned that turning off the dev instances based on scheduler job can help

Posted by lmeng2 at Mar 26, 2025 22:59 EDT