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Cloud, DevOps & Infrastructure Results | Gree Tech Solutions

Real results from Gree Tech Solutions — Kubernetes platforms, cloud migrations, VMware modernisation, database optimisation, and infrastructure transformation. Read the case studies

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Case study 1

Kubernetes Platform Case Study

How Gree Tech Solutions built a Kubernetes platform and CI/CD pipelines that cut deployment time from days to minutes for a [SaaS] company. Read the case study.

Challenge:

A growing [SaaS] company was bottlenecked by slow, manual deployments.
Releases took days, environments drifted, and engineers spent more time on operations than features. Scaling reliably for new customers was becoming a risk.

Solution:

We containerised their applications, designed and deployed a production grade Kubernetes platform, and built automated CI/CD pipelines with GitOps. Infrastructure was codified with Terraform, and we added full observability with Prometheus and Grafana. We delivered golden paths and documentation so their team could self-serve safely.

Technologies used:

Kubernetes · Docker · GitLab CI/CD (GitOps with ArgoCD) · Terraform · Helm · Prometheus · Grafana.

Results achieved:

  • Deployment time reduced from [days] to [minutes].
  • [X]% fewer failed deployments.
  • Engineers reclaimed [X] hours/week from manual ops.
  • Reliable, repeatable scaling for new customer demand.

Services behind it:

DevOps & Platform Engineering, Cloud Solutions, Managed IT Services.

Case study 2

Zero-Downtime Cloud Migration Case Study

How Gree Tech Solutions migrated a high-traffic platform to AWS with zero downtime, cutting cloud cost and improving performance. Read the cloud migration case study.

Challenge:

A [high-traffic e-commerce/SaaS] platform was constrained by agein  infrastructure — struggling under peak load, expensive to maintain, and unable to scale for growth. Downtime during any migration was unacceptable given revenue impact.

Solution:

We assessed workloads and dependencies, designed a target cloud architecture, and executed a phased, zero-downtime migration using replication and staged cutover. We introduced auto-scaling, caching/CDN, and infrastructure as code, then optimised cost with right-sizing and committed-use planning, and set up monitoring and managed operations.

Technologies used:

AWS · Terraform · Kubernetes · CDN & caching · cross-region DR · monitoring stack.

Results achieved:

  • Zero downtime during migration.
  • [X]% improvement in page/application performance.
  • [20–40]% reduction in monthly cloud/infrastructure cost.
  • Auto-scaling that absorbs peak traffic without manual intervention.

Services behind it:

Cloud Solutions, Hosting Solutions, DevOps & Platform Engineering, Managed IT Services.

Case study 3

VMware Data Center Modernization Case Study

How Gree Tech Solutions modernised a VMware environment, consolidated infrastructure, and improved availability for a [sector] organisation. Read the case study.

Challenge:

A [healthcare/manufacturing] organisation ran an ageing, sprawling virtual environment — underutilised hardware, rising costs, inconsistent availability, and weak disaster recovery for critical systems.

Solution:

We assessed the estate, then redesigned and modernised it on VMware vSphere — consolidating workloads, refreshing storage with a resilient SAN/NAS architecture, and implementing high-availability clusters. We built and tested a disaster recovery plan and added proactive monitoring, migrating workloads in phases with minimal disruption.

Technologies used:

VMware vSphere · vCenter · SAN/NAS storage · HA clustering · replication & DR tooling.

Results achieved:

  • Availability improved to a [99.9]% target with tested failover.
  • [X]% reduction in hardware footprint and power/licensing cost.
  • Recovery objectives (RTO/RPO) met with a validated DR plan.
  • Stable, monitored foundation for future growth.

Services behind it:

Virtualization & Data Center, Infrastructure Services, Managed IT Services.

Case study 4

Database Performance Tuning Case Study

How Gree Tech Solutions tuned and re-architected a database for a [fintech] company — reclaiming performance, improving availability, and reducing cost. Read the case study.

Challenge:

A [fintech] company’s application was slowing under growth. The database suffered from unoptimised queries, missing indexes, and a single point of failure — risking both user experience and availability of transactional systems.

Solution:

We profiled the workload, optimised queries and indexes, and tuned configuration for measurable gains. We re-architected for high availability with replication and automated failover, hardened security and access control, and implemented automated, tested backups with a clear recovery plan — all measured before and after.

Technologies used:

PostgreSQL (and/or MySQL) · replication & clustering · automated backup tooling · monitoring.

Results achieved:

  • [X]% improvement in query/application performance.
  • Removed the single point of failure with automated failover.
  • Lower infrastructure cost through efficiency, not just bigger hardware.
  • Tested, recoverable backups and a hardened security posture.

Services behind it:

Database Services, Cybersecurity Services, Managed IT Services.

Case study 5

Infrastructure Transformation Case Study

How Gree Tech Solutions standardised, secured, and now manages a complex IT estate under SLA for a [sector] organisation — cutting incidents and downtime. Read the case study.

Challenge:

A [mid-sized/enterprise] organisation had grown into a fragmented estate: inconsistent servers, unmanaged Active Directory, weak monitoring, ad-hoc
security, and frequent incidents. Internal IT was stuck firefighting.

Solution:

We assessed and documented everything, standardised and hardened servers
(Linux and Windows), cleaned up and secured Active Directory, and deployed estate
wide monitoring and alerting. We introduced patching discipline and security baselines, then transitioned the environment to proactive managed operations under a defined SLA — with transparent reporting.

Technologies used:

Linux · Windows Server · Active Directory · DNS/DHCP · Group Policy · monitoring (Prometheus/Grafana/Zabbix) · automation (Ansible).

Results achieved:

  • [X]% reduction in incident volume.
  • Measurable uptime improvement and faster resolution.
  • A standardised, documented, secure foundation.
  • Internal IT freed to focus on strategic work.

Services behind it:

Infrastructure Services, Managed IT Services, Cybersecurity Services.

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