HCIE-Cloud Service case studies
HCIE-Cloud Service · Put your knowledge to work in context.
HCIE-Cloud Service is positioned at the Expert tier of Huawei's Career Certification portfolio, which Huawei describes as offering three levels: Huawei Certified ICT Associate (HCIA), Huawei Certified ICT Professional (HCIP), and Huawei Certified ICT Expert (HCIE). Expert-level certification is the top of that ladder, aimed at engineers who design, deploy and operate cloud services rather than at entry-level candidates. The HCIE-Cloud Service case studies are 5 cases and about 4,337 words.
1Intermittent ELB 504s During the Settlement Window
A retail platform runs its order API on six ECS instances (c7.xlarge) behind a dedicated load balancer, spread evenly across two AZs in one region. Health checks are TCP:8080 every 5 s.
835 words, about 4 min2RPO/RTO Sign-off for a 3,000 TPS Order Database
A payment-clearing subsidiary of a logistics group is designing the database tier for an order platform on Huawei Cloud. Peak load is 3,000 TPS at a 70/30 read/write mix; current data volume is 600 GB growing by 20 GB per month.
862 words, about 4 min3Migrating 210 VMs and 30 TB of NFS over a 200 Mbps Direct Connect
A manufacturer is migrating its ERP-adjacent estate to Huawei Cloud: 210 VMware VMs with 38 TB of thick-provisioned virtual disks, four Oracle 12c databases totalling 6 TB, and two NFS shares totalling 30 TB of engineering drawings. The Direct Connect circuit is 200 Mbps and the carrier commits to 65% sustained usable throughput during the project window.
803 words, about 4 min4HPA That Never Fires on a Latency-Bound Java Service
A logistics company runs an order-tracking Java service on CCE. Eight pods are spread across two AZs; each declares requests of 1 vCPU and 2 GiB with limits of 2 vCPU and 4 GiB.
901 words, about 5 min5Storage-Class and CDN Policy for 800 TB of Video Assets
A media subsidiary stores 800 TB of video assets (about 1.2 million objects) in an OBS bucket in the Standard class in the Singapore region, fronted by CDN with an 85% cache hit ratio. Monthly delivery is 300 TB to end users.
936 words, about 5 min