This article breaks down the seven types of chips—GPU/AI accelerators, CPUs, SoCs, MCUs, power semiconductors, network/interconnect chips, and storage chips—that together form the hardware backbone of modern AI data centers, explaining each component's role, key technologies, and why they must work in concert.
This article compiles the ten most frequent Docker problems encountered in production—such as disk exhaustion, time drift, DNS failures, OOM kills, data loss, tag confusion, signal handling, resource‑limit oversights, and exposed daemon ports—provides concrete symptoms, root‑cause explanations, diagnostic commands, remediation steps, and preventive measures, and also lists five often‑overlooked traps.
This article dissects the challenges of running MySQL as a stateful workload on Kubernetes, explains why storage, consistency, and fail‑over are the real pain points, and provides a production‑grade solution that combines Longhorn distributed block storage with a carefully engineered MySQL 8.0 StatefulSet, complete with YAML manifests, performance tuning, backup strategies, and disaster‑recovery playbooks.
Microsoft’s latest Windows 11 preview lifts the long‑standing 32 GB FAT32 formatting cap, allowing up to 2 TB partitions via the command line while retaining the 4 GB file‑size ceiling, a change that reshapes compatibility for USB drives and legacy devices.
This guide explains the reasons behind SSD performance degradation, such as write‑amplification and garbage collection, and provides practical Linux techniques—including enabling TRIM, maintaining free space, reducing unnecessary writes, and using smartctl—to restore and preserve SSD speed.
This guide walks you through a systematic, top‑to‑bottom troubleshooting flow for Kubernetes, covering pod pending problems, container start failures, readiness checks, service misconfigurations, ingress routing errors, and storage pitfalls, with concrete kubectl commands and practical fixes.
This comprehensive guide walks you through Kubernetes fault‑tolerance by covering core components, classifying six major failure types, presenting a three‑step troubleshooting methodology, and detailing six real‑world case studies with commands, manifests, monitoring setups and preventive best practices.
Kubernetes introduced mutable PersistentVolume node affinity to enable flexible online volume management, allowing administrators to adjust node selectors when storage moves across zones or upgrades, but the feature remains alpha, requires careful coordination, and may introduce scheduling race conditions.
In the cloud‑native era, Alibaba Cloud’s CSI‑based hierarchical storage combines local NVMe SSD performance with cloud‑disk durability, offering a three‑layer design, operational simplicity, and up to 100× IOPS gains for database and AI workloads.
Western Digital unveiled a roadmap featuring a 100TB mechanical HDD and a high‑bandwidth HDD design that promises up to eight‑fold speed gains, targeting AI data‑center workloads while acknowledging that consumer availability will lag behind enterprise adoption.
This comprehensive guide walks you through RAID fundamentals, hardware and software setup, performance benchmarking, fault diagnosis, and advanced tuning techniques, providing real‑world case studies and practical scripts to boost storage reliability and speed.
This comprehensive guide walks you through RAID fundamentals, explains each RAID level’s performance and reliability trade‑offs, shows real‑world selection criteria, provides step‑by‑step Linux and hardware RAID configuration scripts, monitoring tools, troubleshooting tips, and best‑practice recommendations for modern storage environments.
This comprehensive guide explains why LVM solves traditional partition limits, details its core concepts, outlines prerequisites, and provides step‑by‑step commands for adding new disks, extending volume groups, logical volumes, and filesystems—including advanced scenarios, automation scripts, best‑practice tips, troubleshooting, and performance considerations.
This article examines the security, performance, capacity, and query limitations of localStorage, explains how IndexedDB addresses each issue with asynchronous APIs, larger storage, stronger security, and advanced indexing, and introduces helper libraries that simplify its use.
This article provides a detailed walkthrough of RocketMQ's IndexFile storage engine, covering its physical layout, index construction and query processes, performance benefits, limitations, lifecycle management, and how it compares to other messaging systems for fast key‑based message retrieval.
This guide provides a concise collection of essential Ceph commands for starting services, checking health and status, managing monitors, metadata servers, and OSDs, as well as creating admin users, purging nodes, and handling crush maps, enabling administrators to efficiently operate and troubleshoot a Ceph storage cluster.
PoleFS is a high‑performance, cloud‑native distributed file system that combines NVMe‑accelerated hot storage with S3‑based cold storage, offering multiple client access methods, multi‑level metadata and data caches, prefetch/warm‑up strategies, and a Close‑to‑Open consistency model to balance performance and data correctness.
The article analyzes how generative AI workloads are reshaping the storage market into a multi‑year Memory Supercycle, detailing demand spikes from Mid‑Training checkpoints, synthetic data, KV‑Cache offload and multimodal video models, while supply is strained by HBM production and geopolitical factors.
This article explains how modern data centers rely on the coordinated operation of compute, networking, and storage components—detailing server architectures, AI accelerator trends, high‑speed network designs, and evolving storage technologies—to achieve high performance, scalability, and energy efficiency.
While localStorage has long been the default client‑side storage for web apps, its security risks, synchronous blocking, limited capacity, and lack of advanced querying make it unsuitable for modern applications, and IndexedDB emerges as a superior, asynchronous, high‑capacity, secure, and query‑rich alternative, especially when paired with helper libraries like idb, Dexie.js, and localForage.
Explore the key characteristics, advantages, limitations, and ideal use cases of major file system formats—including FAT32, exFAT, NTFS, APFS, HFS+, ext4, XFS, and Btrfs—along with practical formatting commands and comparison tables to help you select the best storage solution for Windows, macOS, Linux, and cross‑platform environments.
A blogger shared a Python script claiming to deduplicate WeChat files, but WeChat actually uses hard‑link technology to store a single copy of each file, and the script's naive name‑based deletion can cause data loss, so official guidance recommends using built‑in storage cleaning tools.
This article recounts a critical NFS failure that caused massive loss, then walks through practical high‑availability designs—including Keepalived + DRBD, GlusterFS migration, and cloud‑native CSI storage—while sharing real‑world pitfalls, monitoring strategies, and forward‑looking recommendations for resilient file‑system operations.
This article explains the different types of laptop storage devices—including movable and fixed hard drives, mechanical HDDs, solid‑state SSDs, and hybrid SSHDs—detailing their classifications, internal structures, performance characteristics, interface standards, and the underlying principles of how they store and retrieve data.
This article outlines practical strategies for protecting VictoriaMetrics storage under bursty metric traffic, covering communication with business teams, splitting deployments, choosing single‑node versus cluster setups, key monitoring metrics, separate storage for self‑monitoring, the VMUI Explore UI, and techniques for discarding high‑cardinality metrics.
This comprehensive guide walks you through Docker storage challenges, explains temporary, bind‑mount and named volumes, presents tiered storage architectures and dynamic scripts, and provides production‑grade backup, monitoring, and performance‑tuning strategies to ensure reliable data persistence in containerized environments.
This article explains Kafka's storage architecture, including its partition‑based log files, sequential append writes, log segment management, index files, and configurable time‑ and size‑based retention policies that together enable ultra‑high write throughput while controlling disk usage.
This article details Bilibili's multi-layer storage architecture and Alluxio‑based cache acceleration for large‑scale AI model training, covering challenges of high‑throughput, low‑latency file access, metadata scalability, fault tolerance, and the engineering solutions that boosted I/O performance up to ten‑fold.
This guide explains RAID fundamentals, compares RAID levels, and provides a complete Linux‑based RAID10 tutorial—including installation of mdadm, array creation, mounting, data operations, disk failure handling, rebuilding, and removal—so administrators can confidently manage redundant storage.
This guide explains the fundamentals of Linux Logical Volume Manager (LVM), covering key concepts such as physical volumes, volume groups, and logical volumes, and provides detailed, command‑line instructions for creating, extending, reducing, and deleting logical volumes on a VMware virtual machine.
This comprehensive guide walks you through 100 essential data‑center concepts—from basic definitions, tier standards, and modular design to networking layers, storage architectures, compute resources, security measures, operational practices, energy efficiency, emerging technologies, and industry ecosystem—providing a complete knowledge framework for modern digital infrastructure.
This article explains what a Distributed File System (DFS) is, outlines key evaluation criteria such as reliability, availability, performance, scalability, and then compares HDD and SSD performance, investigates whether DFS can surpass local NVMe in large‑IO workloads, and discusses user‑side, cluster‑level, and cache‑level performance assessment methods.
This tutorial walks through preparing physical disks, creating physical volumes, a volume group, and multiple logical volumes, formatting and mounting them, dynamically expanding storage, and safely removing LVM components on a Linux system.
This article explains RAID concepts, outlines common RAID levels and their pros and cons, compares configurations, describes hot spare and hot swap mechanisms, and provides step‑by‑step Linux commands for creating, testing, and removing RAID arrays, especially RAID 5.
This article examines the storage challenges of Kubernetes‑based Argo Workflows, comparing artifact mechanisms and native volumes, evaluating integrated versus separated compute‑storage architectures, and presenting performance‑oriented optimization techniques for object and file storage in AI and big‑data pipelines.
This comprehensive guide walks you through 100 key concepts of enterprise storage—including architectures, media, redundancy, performance optimization, security, cloud integration, emerging technologies, standards, and operational best practices—helping IT professionals build a solid knowledge foundation for modern data‑centric environments.
Cloud computing, a pivotal technology of the future, delivers on-demand computing resources via the internet, encompassing virtualization, storage, parallel processing, and automation, and is offered through three service models—Infrastructure as a Service, Platform as a Service, and Software as a Service—each illustrated with clear analogies and diagrams.
Learn how to create, configure, and manage a software RAID 5 array on CentOS 7 using mdadm, covering partition preparation, RAID creation, filesystem formatting, mounting, status checks, hot‑spare handling, device removal, and expansion, with complete command examples and expected outputs.
This guide explains the LVM snapshot mechanism, demonstrates how to create snapshots, restore individual files or entire volumes, merge snapshots back into the original LV, and use snapshots to build disposable test environments on Ubuntu systems.
This guide explains the fundamentals of Linux host file systems, LVM logical volumes, and Docker storage drivers, showing step‑by‑step how to format, mount, and persist MySQL data using Docker volumes and bind mounts on AlmaLinux servers.
This article explains the evolution of data storage, the fundamentals of computer storage devices, and how database indexes—especially clustered and non‑clustered indexes—leverage binary search to dramatically speed up query performance while outlining their drawbacks and common SQL optimization techniques.
This article explains the concepts, advantages, and disadvantages of block storage, file storage, and object storage, compares their architectures, and clarifies when each type is appropriate for different applications and workloads.
This comprehensive guide walks you through Docker volume creation, inspection, mounting, backup, restoration, cross‑host migration, labeling, driver configuration, security permissions, encryption, monitoring, troubleshooting, capacity planning, and automation scripts, providing practical commands and best‑practice recommendations for reliable container storage management.
This article explains the fundamental differences between MySQL VARCHAR and CHAR types, covering their definitions, length limits, storage overhead, character‑set effects, practical examples, and guidelines for choosing the appropriate column type in database design.
This article walks through configuring Ceph to provide NFS services using nfs‑ganesha, covering module checks, cluster creation, export setup, client mounting, data verification, and high‑availability configuration with haproxy and keepalived, complete with command‑line examples.
The article presents the Business Parameter Configuration Center (BPCC), a declarative platform that automatically generates front‑end pages and corresponding CRUD services, detailing its layered architecture, core concepts such as elements, dimensions, parameters and schemes, SDK query flow, priority rules, multi‑selection handling, import/export workflow, and outlining scenarios where BPCC is unsuitable.
This guide explains Linux LVM fundamentals, covering physical volume creation, volume group management, logical volume operations such as creation, resizing, removal, as well as snapshot creation and restoration, complete with practical command-line examples for each step.
UUIDs offer global uniqueness for distributed systems but can hurt insertion speed and increase storage, especially with random UUIDv4 keys; this article explains UUID basics, performance drawbacks, and evaluates alternatives like UUIDv7, auto‑increment integers, and ULID to help you choose the right identifier for your database.
This comprehensive guide walks you through Linux storage concepts—from CHS terminology and MBR/GPT layouts to partition creation, LVM management, RAID levels, filesystem formatting, mounting, swap handling, package management, private YUM repository setup, OSI model layers, port basics, TCP handshakes, and IP address classification—providing commands, examples, and practical tips for system administrators.
This guide walks through creating Ceph storage pools, configuring CephFS, and using Helm to deploy the CephFS CSI provisioner on a Kubernetes cluster, including verification steps and tips for reliable, high‑performance persistent storage.
This step‑by‑step guide explains how to set up a Ceph RBD provisioner on a Kubernetes cluster using Helm, covering storage pool creation, user configuration, Helm chart values, installation commands, and verification procedures to ensure reliable persistent storage.
The article analyzes current server market dynamics, covering rising CPU core counts, accelerating network speeds, expanding SSD capacities, evolving DDR5 memory architectures, and the competitive landscape of AI‑focused GPUs as the industry prepares for 2025.
This tutorial explains RAID concepts, compares RAID levels, and provides a complete, command‑by‑command walkthrough for creating, monitoring, repairing, and removing a software RAID10 array on a Linux server using mdadm.
This comprehensive guide explains Linux Logical Volume Manager (LVM) concepts, terminology, installation, essential commands, and step‑by‑step procedures for creating, extending, reducing, migrating, and snapshotting physical, volume, and logical volumes, empowering system administrators to manage storage flexibly and safely.
This article explains how a CDP tackles billions‑scale user ID tags and groups by replacing naïve text‑file storage with bitmap techniques, detailing Bitmap basics, encoding strategies, Java BitSet limitations, and the adoption of RoaringBitmap for efficient compression and fast set operations.
This article investigates whether the declared length of VARCHAR columns (e.g., VARCHAR(50) vs VARCHAR(500)) affects MySQL storage size and query performance by creating two tables, inserting one million rows, measuring disk usage, and benchmarking various SELECT and ORDER BY operations.
Testing shows that VARCHAR(50) and VARCHAR(500) occupy identical storage, yet while simple lookups perform similarly, sorting on the longer column triggers disk‑based mergesort and can be several times slower, demonstrating that excessive VARCHAR length harms query performance without saving space.
This guide explains what RAID is, outlines the benefits of different RAID levels, compares hardware and software implementations, and provides a step‑by‑step Linux tutorial for creating, monitoring, repairing, and removing a RAID10 array using mdadm.
This article explains how to override the native localStorage and sessionStorage APIs in JavaScript, providing a flexible proxy layer that supports business‑specific logic, global monitoring, data protection, encryption, and configurable hooks, with practical Vue 3 integration examples.
This article provides a comprehensive overview of server fundamentals, covering the definition of a server, its classification by form factor, CPU architecture, and usage, as well as detailed explanations of hardware components like CPU, memory, storage, I/O, and networking devices.
This guide explains how to classify storage devices, compare MBR and GPT partition tables, use Linux commands such as lsblk, fdisk, and gdisk to create partitions, format them with ext4 or XFS, and permanently mount them via /etc/fstab, providing a complete workflow for disk management.
This guide explains how to diagnose and fix TiKV disk‑space problems by identifying oversized log files, redundant space‑placeholder files, and excessive RocksDB/Titan data, offering command‑line checks, configuration tweaks such as enabling log rotation, disabling reserve space, and tuning GC and Titan discardable‑ratio to restore balanced storage.
Kubernetes v1.31 fixes a long‑standing bug where deleting a PVC did not always free the underlying storage, by making the PersistentVolume reclaim policy reliably enforced as a default beta feature, and provides guidance for upgrading and remediation on older versions.
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.
This article investigates whether MySQL varchar column length influences storage size and query performance by creating two tables with varchar(50) and varchar(500), inserting one million rows, measuring disk usage, and benchmarking various queries, ultimately revealing that storage is identical while longer columns can degrade performance during sorted scans due to increased temporary file usage.
This tutorial explains Linux LVM fundamentals, walks through creating and removing physical volumes, building volume groups, managing logical volumes—including formatting, mounting, extending, shrinking—and demonstrates how to take and restore snapshots using concrete command‑line examples.
This article compares kubeadm and binary installations, evaluates network plugins, storage solutions, Helm, CI/CD tools, ingress controllers, monitoring platforms, observability frameworks, and Istio, providing practical guidance for selecting the most suitable components in a Kubernetes environment.
This article explains the architecture, components, and operational flow of a CSI driver using NFS as a concrete example, covering CSI fundamentals, sidecar containers, dynamic volume provisioning, pod creation, and the role of the Linux VFS in exposing remote storage to applications.
This comprehensive guide introduces the core concepts of server hardware, covering CPU architectures, memory, storage devices and RAID configurations, as well as network interface cards, their classifications, functions, and common standards, providing a solid foundation for understanding modern data center infrastructure.
This article details Bilibili's transformation of its search offline indexing architecture—from a manual, low‑throughput MySQL‑centric process to a distributed, KV‑based, protobuf‑driven pipeline that leverages Taishan storage and Spark, cutting build cycles from days to hours while solving performance, consistency, and maintenance challenges.
This article investigates whether defining a VARCHAR column with a larger length (e.g., VARCHAR(500) vs VARCHAR(50)) changes storage consumption and query speed in MySQL by creating two identical tables, inserting one million rows, measuring space usage, and benchmarking various SELECT and ORDER BY operations.
This article presents the challenges of storing massive machine‑learning datasets, evaluates existing storage solutions, and details the design of OrangeFS—a cloud‑native, multi‑protocol, multi‑tenant unstructured storage system that integrates object and file interfaces, optimizes metadata services, supports hot upgrades, and provides robust scalability and reliability for AI workloads.
The report examines the 2023 global HPC market—covering on‑premise servers, cloud services, storage, compute engines, and interconnect technologies—showing total spending of $297 billion, forecasting growth to $437 billion by 2028, and highlighting key hardware trends, cloud adoption rates, and emerging AI‑driven workloads.
This tutorial explains Linux Logical Volume Manager (LVM) fundamentals, walks through creating and removing physical volumes, building and deleting volume groups, provisioning logical volumes, formatting and mounting them, and performing size extensions, reductions, and snapshot operations with concrete command examples.
This article explains the principles, advantages, disadvantages, disk utilization, and minimum disk requirements of common RAID configurations—including RAID 0, 1, 4, 5, 6, 10, and 0+1—helping readers choose the right solution for performance and data protection.
This tutorial walks through creating CephFS pools, configuring Ceph CSI drivers, setting up Kubernetes resources, and verifying static and dynamic provisioning of CephFS storage for containers, complete with command‑line examples and practical tips.
This tutorial walks you through configuring static and dynamic Ceph RBD storage for Kubernetes, covering version compatibility, required Ceph pool setup, CSI configuration, deployment of provisioner and node plugins, and validation with a PVC and pod, all with detailed command examples.
This article explains what disks are, compares mechanical HDDs and SSDs, describes disk I/O concepts, outlines key performance metrics such as IOPS, throughput, utilization and latency, and introduces Linux tools like iostat, iotop, sar for monitoring and analyzing storage performance.
The article explains the Log-Structured Merge-Tree (LSM) architecture, its core components, advantages and disadvantages, and demonstrates how it is employed in big‑data platforms such as HBase and Apache Druid to achieve high‑throughput writes and scalable query processing.
This guide walks through enabling the Ceph NFS manager module, creating an NFS cluster, exporting a CephFS directory via NFS, mounting it from a client, verifying data consistency, and configuring high‑availability for the nfs‑ganesha service using haproxy and keepalived.
The article analyzes how AI servers are shifting from pure compute power to storage‑centric designs, detailing the memory‑wall challenge, the rise of HBM and CXL technologies, vendor market shares, upcoming product roadmaps, and the broader supply‑chain opportunities shaping the AI hardware ecosystem.
This article explains how Ceph cache pools work, compares read‑only and write‑back cache types, provides step‑by‑step commands for creating and configuring cache pools, adjusting CRUSH rules to target SSDs, and outlines safe removal procedures for both cache modes.
This article investigates whether defining a VARCHAR column with a larger length affects MySQL storage space and query performance by creating two tables with VARCHAR(50) and VARCHAR(500), inserting one million rows, and measuring storage usage and execution times for various queries.
This article explains the fundamentals of disks, differentiates mechanical HDDs and SSDs, describes disk I/O concepts, outlines key performance metrics such as IOPS, throughput, utilization and saturation, and introduces Linux tools like iostat, iotop and sar for monitoring and analyzing storage performance.
The article examines challenges of traditional server‑based distributed storage in cloud and internet workloads and proposes a new disaggregated compute‑storage architecture leveraging emerging hardware such as EBOF, DPU, CXL, and NVMe to improve resource utilization, performance, reliability, and efficiency.
This guide explains the physical structure of mechanical hard drives, how data is organized into sectors, tracks, and cylinders, and provides step‑by‑step Linux commands for calculating disk capacity, creating MBR/GPT partitions, formatting filesystems, and managing swap space.
This article introduces RAID fundamentals, compares common RAID levels (0, 1, 5, 10), explains their performance and fault‑tolerance characteristics, and provides step‑by‑step Linux mdadm commands to create, inspect, and manage a RAID‑5 array, including simulating disk failures and recovery.
The article walks through the Flash Friendly File System’s on‑disk layout—zones, sections, segments, blocks, SuperBlock, checkpoint, SIT, NAT, and SSA—showing how formatting, mounting, creating, modifying, and deleting files updates these structures, offering a practical guide for kernel and storage engineers.
The article analyzes the performance and storage bottlenecks of conventional memory, explains the principles, advantages, and challenges of PCRAM, MRAM, ReRAM, and FeRAM, and compares their commercialization status and suitability for emerging AIoT, 5G, and autonomous‑vehicle applications.
This article explains how using UUIDs as primary keys can degrade insert performance and increase storage requirements, illustrating the impact with a million‑row simulation and offering guidance for better database design in.
This guide explains how LVM snapshots work, how to create them using copy‑on‑write, restore individual files or entire volumes, merge snapshots back into the original LV, and leverage snapshots for testing environments, all without stopping services.
This guide walks you through Linux's built‑in utilities—such as cat, free, vmstat, lsblk, ip, ethtool, top, htop, and Glances—to display and analyze CPU, memory, storage, and network information, helping you monitor system health and plan upgrades.
Since 2023, Ctrip’s Data Platform 2.0 has been redesigned to support multi‑IDC storage, tiered hot/warm/cold data, transparent migration, priority scheduling, mixed online/offline resources, and a smooth upgrade from Spark 2 to Spark 3 with Kyuubi as the query engine, delivering higher performance and scalability.
This guide walks through setting up a CentOS 7 environment, installing Helm, adding the OpenEBS chart repository, deploying the OpenEBS control plane, creating a dedicated PostgreSQL namespace, and configuring persistent storage with a ConfigMap, providing all necessary commands and screenshots.
This article analyzes the architectural upgrades required for ultra‑large AI clusters, covering single‑GPU performance, super‑node scaling, DPU‑based heterogeneous computing, power‑efficiency, high‑throughput storage, and robust high‑speed networking to support trillion‑parameter model training and inference.
The article outlines the challenges of massive AI training data, defines storage performance requirements, and presents Polefs—a cloud‑native distributed cache file system with unified storage, metadata acceleration, and read/write caching designed to improve GPU utilization and reduce data redundancy.
This article investigates why the storage size shown inside iOS apps often differs from the total size displayed in the iPhone Settings, analyzes four main causes—including app bundle size, binary vs decimal units, measurement scope, and cache path handling—and demonstrates how Kuaishou aligned its storage reporting with the system through experiments and code changes.
This article explains the fundamentals of Network File System (NFS), its reliance on RPC for communication, the step‑by‑step workflow of NFS operations, configuration details in /etc/exports, common troubleshooting cases, and practical command‑line examples for Linux administrators.
This article explains the principles, advantages, disadvantages, and best‑practice recommendations for four common RAID configurations—RAID 0, RAID 1, RAID 10, and RAID 5—helping readers choose the appropriate disk‑array solution for performance and reliability needs.
The article compares DRAM and Flash memory characteristics, explains how emerging AI and automotive applications are reshaping storage demand, and highlights China's strategic challenges in catching up with leading DRAM and NAND Flash manufacturers.
