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UCloud Tech

UCloud is a leading neutral cloud provider in China, developing its own IaaS, PaaS, AI service platform, and big data exchange platform, and delivering comprehensive industry solutions for public, private, hybrid, and dedicated clouds.

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Latest from UCloud Tech

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UCloud Tech

Nov 25, 2022 · Databases

How URocksDB Solves RocksDB’s Availability and Performance Challenges in UCloud

This article explains how UCloud’s UKV-Meta leverages a customized URocksDB storage engine, addresses RocksDB’s durability and read‑performance drawbacks with a Share‑Nothing architecture, introduces hotspot splitting, hot‑standby replication, and seamless data migration to achieve high availability and scalability in cloud object storage.

Hotspot SplittingRocksDBURocksDB

0 likes · 13 min read

How URocksDB Solves RocksDB’s Availability and Performance Challenges in UCloud

UCloud Tech

Nov 21, 2022 · Cloud Computing

How UCloud Revamped US3 Metadata Service for 80% Cost Savings and Faster Performance

UCloud’s US3 object storage metadata service, originally built on a chained MongoDB architecture, faced scalability, performance, and cost challenges, prompting a redesign that introduces a high‑compatibility DB‑Gateway, a distributed KV store (UKV) with custom RocksDB, delivering faster reads, zero list‑service latency, 80% cost reduction, and simpler operations.

Distributed KVObject Storagecloud architecture

0 likes · 8 min read

How UCloud Revamped US3 Metadata Service for 80% Cost Savings and Faster Performance

UCloud Tech

Nov 9, 2022 · Cloud Computing

How ROW‑Based Snapshot Cloning Achieves Seconds‑Level Bulk VM Creation

This article explains the challenges of bulk cloud VM provisioning, compares COW and ROW snapshot techniques, and details a ROW‑based architecture that reduces clone time to milliseconds, enabling thousands of VMs to be launched within minutes.

COWDistributed SystemsRow

0 likes · 14 min read

How ROW‑Based Snapshot Cloning Achieves Seconds‑Level Bulk VM Creation

UCloud Tech

Mar 14, 2022 · Operations

How to Build a 10,000‑Server Data Center Network in Hours with Big Bang

This article explains how UCloud’s Big Bang system automates data‑center network construction—from manual wiring and IP allocation to layered design, resource allocation, configuration generation, and zero‑touch provisioning—enabling a ten‑thousand‑server network to be deployed in just a few hours.

DSLconfiguration managementdata center

0 likes · 18 min read

How to Build a 10,000‑Server Data Center Network in Hours with Big Bang

UCloud Tech

Nov 2, 2021 · Cloud Native

How UCloud’s Code‑Generation Pipeline Revolutionizes Cloud‑Native Developer Tools

This article explores UCloud’s comprehensive developer‑tool ecosystem, detailing its layered product architecture, open‑source principles, and a code‑generation pipeline that transforms API specifications into SDKs, CLIs, CDKs, and SaaS tools, dramatically reducing development costs and enhancing cloud‑native productivity.

Architecturecloud-nativecode-generation

0 likes · 11 min read

How UCloud’s Code‑Generation Pipeline Revolutionizes Cloud‑Native Developer Tools

UCloud Tech

Jul 13, 2021 · Big Data

Step‑by‑Step Guide to Deploy UCloud’s Free USDP Big Data Platform on CentOS

This article walks you through the complete installation and configuration of UCloud's free USDP (UCloud Data Platform) on a three‑node CentOS 7.2‑7.6 cluster, covering environment preparation, package download, repair scripts, MySQL setup, service startup, web UI activation, monitoring, and a quick Hive query example.

CentOSCluster DeploymentHadoop

0 likes · 19 min read

Step‑by‑Step Guide to Deploy UCloud’s Free USDP Big Data Platform on CentOS

UCloud Tech

Jun 23, 2021 · Operations

Hands‑On DR Mode LVS Load Balancing with Keepalived: Step‑by‑Step Guide

This article walks through a practical setup of LVS DR mode load balancing on four UCloud servers, covering network configuration, ARP tweaks, ipvsadm rules, VIP assignment, troubleshooting steps, and implementing high‑availability with Keepalived, complete with command examples and visual screenshots.

DR modeKeepalivedLVS

0 likes · 10 min read

Hands‑On DR Mode LVS Load Balancing with Keepalived: Step‑by‑Step Guide

UCloud Tech

Jun 16, 2021 · Operations

Hands‑On Guide: Setting Up LVS NAT and TUNNEL Load Balancing on UCloud

This tutorial walks through building a three‑node UCloud lab, installing ipvsadm, configuring NAT and TUNNEL load‑balancing modes with LVS, adjusting routing and ARP settings, and verifying the setup using ipvsadm commands and curl requests.

LVSLinuxNAT

0 likes · 10 min read

Hands‑On Guide: Setting Up LVS NAT and TUNNEL Load Balancing on UCloud

UCloud Tech

May 21, 2021 · Big Data

How US3 Hadoop Adapter Cuts Big Data Storage Costs and Boosts Performance

This article explains how UCloud's US3 object storage, combined with a custom Hadoop adapter, separates compute and storage, optimizes file system operations, and leverages caching and specialized APIs to dramatically reduce storage costs and improve read/write performance for large‑scale Hadoop workloads.

Big DataCacheHadoop

0 likes · 13 min read

How US3 Hadoop Adapter Cuts Big Data Storage Costs and Boosts Performance

UCloud Tech

May 18, 2021 · Big Data

Step‑by‑Step Guide to Deploy UCloud’s Free USDP for Big Data

This article provides a comprehensive tutorial on installing UCloud's free USDP version for private big‑data deployments, covering environment preparation, minimum node specifications, resource download, configuration files, one‑click initialization scripts, server startup, web UI access, license acquisition, and optional manual setup procedures.

Big DataLinuxUCloud

0 likes · 16 min read

Step‑by‑Step Guide to Deploy UCloud’s Free USDP for Big Data