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snapshots

13 articles · Page 1 of 1
Raymond Ops
Raymond Ops
Sep 24, 2026 · Operations

Master LVM from Zero: Complete Guide to Logical Volume Management, Expansion, Snapshots & Migration

This comprehensive guide covers LVM fundamentals (PV/VG/LV/FS), PE/LE concepts, metadata management, and practical scenarios including online expansion, dangerous shrinking, disk migration via pvmove, snapshot backups, cache/thin provisioning, metadata recovery, and production best practices with exact commands and rollback procedures.

LVMLinux storageSystem Administration
0 likes · 66 min read
Master LVM from Zero: Complete Guide to Logical Volume Management, Expansion, Snapshots & Migration
Xiaolin Talks Programming
Xiaolin Talks Programming
Jul 13, 2026 · Backend Development

CQRS & Event Sourcing in Spring Boot: Read/Write Separation, Snapshots & Compensation

This guide details implementing CQRS and Event Sourcing in Spring Boot, covering command/query separation, event bus choices (Outbox pattern, Kafka), projection idempotency, state snapshots for performance, Saga-based compensation for distributed transactions, and practical tuning tips for production workloads.

CQRSEvent BusEvent Sourcing
0 likes · 14 min read
CQRS & Event Sourcing in Spring Boot: Read/Write Separation, Snapshots & Compensation
ZhiKe AI
ZhiKe AI
Jun 7, 2026 · Backend Development

Why Event Sourcing Rebuilds State from an Event Sequence

The article explains how Event Sourcing stores immutable, ordered events instead of the current state, details aggregate rehydration, snapshots, and projections, clarifies its orthogonal relationship with CQRS and DDD, and debunks four common misconceptions about the pattern.

CQRSDDDEvent Sourcing
0 likes · 13 min read
Why Event Sourcing Rebuilds State from an Event Sequence
Big Data Technology & Architecture
Big Data Technology & Architecture
Jul 25, 2024 · Big Data

Fundamental Concepts and File Layout of Paimon: Snapshots, Partitions, Buckets, Consistency, and Compaction

This article explains Paimon's core concepts—including snapshots, partitions, buckets, consistency guarantees, file layout, LSM‑tree organization, and compaction strategies—while also covering table management tasks such as snapshot expiration, rollback, partition expiration, and small‑file mitigation techniques.

BucketsLSM TreePaimon
0 likes · 12 min read
Fundamental Concepts and File Layout of Paimon: Snapshots, Partitions, Buckets, Consistency, and Compaction
Alibaba Cloud Native
Alibaba Cloud Native
Dec 15, 2022 · Operations

How to Prevent ZooKeeper Disk Exhaustion: Snapshots, Logs, and Tuning Tips

This article explains why ZooKeeper can run out of disk space due to excessive snapshots and transaction logs, describes the underlying file‑generation mechanism, and provides concrete configuration parameters and best‑practice recommendations to control file growth and keep the cluster stable.

ConfigurationTransaction LogZooKeeper
0 likes · 9 min read
How to Prevent ZooKeeper Disk Exhaustion: Snapshots, Logs, and Tuning Tips
OPPO Kernel Craftsman
OPPO Kernel Craftsman
Dec 9, 2022 · Operations

Factors Affecting Storage System Reliability and Related Technologies

Storage system reliability depends on both hardware and software availability and on preserving data integrity against media degradation, bit flips, external corruption, and firmware bugs, while techniques such as parity/ECC/CRC verification, RAID levels, snapshot methods, backups, continuous data protection, and specialized mechanisms like WAFL checksums and flash‑level error recovery collectively mitigate these risks.

Data verificationECCRAID
0 likes · 13 min read
Factors Affecting Storage System Reliability and Related Technologies
21CTO
21CTO
Jul 30, 2022 · Operations

Why Garuda Linux Stands Out: Snapshots, Btrfs, and Gaming‑Ready Features

Garuda Linux, a new Arch‑based rolling distribution, combines Btrfs snapshots, Snapper rollback, a wide range of desktop environments, automatic Nvidia driver handling, and gaming‑focused tools, offering a modern, feature‑rich alternative for both newcomers and power users.

Arch LinuxBtrfsGaruda Linux
0 likes · 7 min read
Why Garuda Linux Stands Out: Snapshots, Btrfs, and Gaming‑Ready Features
Qingyun Technology Community
Qingyun Technology Community
Sep 17, 2021 · Fundamentals

Why ZFS Is the Ultimate File System for Modern Storage Needs

This article explores the origins, core features, and installation methods of the advanced ZFS file system, highlighting its storage pool architecture, copy‑on‑write, snapshots, data integrity checks, RAID‑Z, and massive scalability that make it popular among engineers and enterprises.

Copy-on-WriteRAID-ZZFS
0 likes · 9 min read
Why ZFS Is the Ultimate File System for Modern Storage Needs
Architects' Tech Alliance
Architects' Tech Alliance
Nov 1, 2020 · Fundamentals

Essential Storage Fundamentals: RAID, Snapshots, Backup, CDP, Clustering, and VTL Explained

This guide provides a concise overview of core storage concepts—including RAID levels, COW/ROW snapshot mechanisms, backup strategies, continuous data protection, clustering architectures, and virtual tape library (VTL) implementations—helping readers understand how each technology contributes to data reliability and availability.

CDPClusteringRAID
0 likes · 4 min read
Essential Storage Fundamentals: RAID, Snapshots, Backup, CDP, Clustering, and VTL Explained
Tencent Music Tech Team
Tencent Music Tech Team
Jun 12, 2020 · Frontend Development

Using Jest for Front-End Unit Testing and Coverage

The article explains how to set up Jest for front‑end unit testing, demonstrates basic test writing, async handling, hooks, snapshot and React component testing, shows coverage configuration and thresholds, compares Jest’s built‑in features to Mocha’s limitations, and offers tips on concurrency, mocking, and test‑driven development.

JavaScriptJestMocking
0 likes · 21 min read
Using Jest for Front-End Unit Testing and Coverage
Architects' Tech Alliance
Architects' Tech Alliance
Jun 23, 2018 · Fundamentals

ZFS File System: Architecture, Features, and Variants

This article reviews the history of Sun and Solaris, explains ZFS’s core design as a combined file system and volume manager, and details its key features such as metadata integrity, copy‑on‑write, snapshots, clones, storage pools, RAID‑Z, caching, compression, deduplication, and tunability.

Copy-on-WriteFile SystemRAID-Z
0 likes · 11 min read
ZFS File System: Architecture, Features, and Variants
Architect
Architect
Mar 4, 2016 · Cloud Computing

Understanding Ceph RBD Snapshots, Clones, and Recovery Mechanisms

This article explains the implementation of Ceph RBD snapshots, the associated metadata structures, clone operations, and the detailed recovery processes for both replica and primary OSDs, illustrating how copy‑on‑write and snapshot chains affect data consistency and performance.

COWCephClones
0 likes · 15 min read
Understanding Ceph RBD Snapshots, Clones, and Recovery Mechanisms