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360 Zhihui Cloud Developer
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360 Zhihui Cloud Developer

360 Zhihui Cloud is an enterprise open service platform that aims to "aggregate data value and empower an intelligent future," leveraging 360's extensive product and technology resources to deliver platform services to customers.

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Recent Articles

Latest from 360 Zhihui Cloud Developer

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360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Nov 18, 2024 · Cloud Computing

How Dynamic Resource Scheduling Boosts OpenStack Efficiency and Cuts Costs

Virtualization resource scheduling algorithms, especially in OpenStack, address fragmented CPU allocation and uneven node utilization by dynamically consolidating VMs, employing NUMA-aware placement, and using resource scoring to trigger migrations, ultimately improving utilization, reducing costs, and enhancing performance in cloud environments.

Cloud ComputingNUMAOpenStack
0 likes · 12 min read
How Dynamic Resource Scheduling Boosts OpenStack Efficiency and Cuts Costs
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Nov 12, 2024 · Cloud Computing

How Session‑Based Acceleration Cuts Cloud Connect Latency from 500 ms to 1 ms

This article examines the Cloud Connect Network gateway architecture, identifies performance bottlenecks in the V1 packet‑forwarding process, proposes a session‑based optimization that reduces query complexity from O(n) to O(1), and validates the improvement with latency tests showing a drop from 500 ms to about 1 ms.

Cloud NetworkingDPDKSession Management
0 likes · 11 min read
How Session‑Based Acceleration Cuts Cloud Connect Latency from 500 ms to 1 ms
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Oct 31, 2024 · Backend Development

Boosting Ozone Block Reads with gRPC Streaming: Up to 30% Faster

This article explains how a gRPC bidirectional streaming read method was added to Ozone to reduce chunk‑by‑chunk request gaps, describes the client‑side implementation, presents single‑ and multi‑threaded performance tests showing roughly 30% faster reads, and outlines future enhancements such as pre‑fetching.

OzoneStreamingblock storage
0 likes · 7 min read
Boosting Ozone Block Reads with gRPC Streaming: Up to 30% Faster
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Oct 28, 2024 · Operations

How Zero‑Intrusion eBPF Transforms TCP Network Monitoring and Troubleshooting

This article explains how zero‑intrusion eBPF technology enables detailed, non‑disruptive TCP network monitoring, covering data collection interfaces, aggregation methods, implementation steps, usage limitations, and practical installation and visualization guidance for improving network performance and fault analysis.

Linux kernelNetwork MonitoringObservability
0 likes · 9 min read
How Zero‑Intrusion eBPF Transforms TCP Network Monitoring and Troubleshooting
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Oct 24, 2024 · Cloud Computing

How to Seamlessly Hot-Migrate VM Disks to a Mixed-Flash Ceph Cluster with QMP

This article details the design, implementation, and results of migrating over 16,000 virtual machine disks from an aging Ceph Luminous cluster to a high‑performance mixed‑flash Ceph cluster using QEMU QMP hot‑swap, achieving a 47.65% reduction in IO latency and enabling cost‑saving decommissioning of legacy storage.

CephHot MigrationOpenStack
0 likes · 11 min read
How to Seamlessly Hot-Migrate VM Disks to a Mixed-Flash Ceph Cluster with QMP
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Oct 17, 2024 · Cloud Computing

Achieving Zero‑Downtime VM Live Migration in 360 VPC Overlay

This article explains the network interruption issues of VM live migration in 360's VPC overlay (V1), analyzes the root causes, and presents a V2 redesign that eliminates downtime through pre‑loaded forwarding policies, traffic redirection, and streamlined component collaboration.

Overlay NetworkVM live migrationVPC
0 likes · 12 min read
Achieving Zero‑Downtime VM Live Migration in 360 VPC Overlay
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Oct 11, 2024 · Artificial Intelligence

How 360 Built a Thousand‑GPU AI Supercomputer with Kubernetes and Advanced Scheduling

This article details the design and implementation of 360’s AI Computing Center, covering server selection, network topology, Kubernetes scheduling, training and inference acceleration, and the AI platform’s core, visualization, and fault‑tolerance capabilities for large‑scale AI workloads.

AI infrastructureGPU clusterKubernetes
0 likes · 22 min read
How 360 Built a Thousand‑GPU AI Supercomputer with Kubernetes and Advanced Scheduling