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This article details the design, deployment, configuration, operation, monitoring, and backup of a PostgreSQL high‑availability cluster built on Patroni, Etcd, and LVS at 360, covering hardware layout, software versions, installation steps, parameter tuning, fail‑over testing, and future outlook.
The article analyzes the instability of shared‑type virtual machines, introduces enterprise‑level instances with fixed CPU scheduling and NUMA topology, details the applied technologies such as CPU pinning, PCI‑Passthrough and multi‑queue NICs, and presents extensive sysbench and STREAM benchmark results that demonstrate superior isolation, stability and performance of enterprise instances over shared ones.
This article explains how 360 Commercialization implements cross‑IDC hot‑standby for Kafka using MirrorMaker 2, covering MM2 fundamentals, architecture, internal topics, deployment on Kubernetes, design goals, solution details, challenges such as dynamic configuration and offset reverse‑mapping, and productized risk mitigation.
This article presents a comprehensive log collection solution that evaluates Filebeat versus Logstash, explains Filebeat's meta‑persistence and back‑pressure mechanisms, outlines design goals and architecture layers, and provides detailed configuration examples for both direct Filebeat‑to‑Kafka and Filebeat‑to‑Logstash‑to‑Kafka pipelines.
This article examines several subtle Go programming issues—including unexpected loop variable addresses, the scope nuances of the := operator, proper handling of goroutine concurrency with worker pools, and how struct field ordering affects memory alignment—providing code examples and practical solutions to avoid these pitfalls.
HTTP/2, now widely supported by browsers and major sites, replaces HTTP/1.1 by introducing a binary framing layer, header compression, stream prioritization, server push, and flow control, addressing head-of-line blocking and inefficiencies while maintaining HTTP semantics, with detailed discussion of its evolution, structure, and deployment considerations.
This guide explains how to configure and manage Linux disk quotas on XFS file systems, covering prerequisites, quota activation options, user/group/project quota modes, command‑line procedures, testing scenarios, and common operational commands for administrators.
The article describes the design, architecture, and implementation details of the CLOUD‑DPVS gateway, a high‑performance, VXLAN‑based load‑balancing solution that connects VPC networks to classic IDC networks, covering its high‑availability improvements, FULLNAT mode, traffic flow, and future offload plans.
The article introduces DGL Operator, an open‑source Kubernetes‑based controller that automates the lifecycle of distributed graph neural network training with DGL, explains its terminology, challenges of native DGL distribution, and provides detailed architecture, workflow, and YAML/CLI examples for easy deployment.
ULTRON is a one‑stop real‑time data‑warehouse development platform built on FlinkSQL that unifies data integration, asset management, cluster deployment, modeling, ETL, OLAP analysis and governance, addressing the limitations of traditional batch‑oriented warehouses and simplifying streaming data workflows for developers.
