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

---
title: "ITOM Cloud Service Delivery : OpsB/NOM Cloud Infra Cost Review"
source: "http://127.0.0.1:8999/686065571.html"
author:
  - "[[Sunny Xia]]"
published: 2024-08-14
created: 2026-09-07
description:
tags:
  - "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](http://127.0.0.1:8999/692447634.html)
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](http://127.0.0.1:8999/692447634.html)

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](https://eu-central-1.console.aws.amazon.com/eks/home?region=eu-central-1#/clusters/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](https://us-west-2.console.aws.amazon.com/rds/home?region=us-west-2#db-snapshot:engine=postgres;id=montest2-itom-postgres-snapshot)  
  
Tools:

1. AWS cost calculator [https://calculator.aws/#/addService](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