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JD Tech
JD Tech
Dec 15, 2023 · Databases

Systematic Approach to Reducing MySQL Database Storage Costs

This article presents a comprehensive, step‑by‑step methodology for cutting MySQL storage expenses—including background analysis, challenge identification, a nine‑grid systematic framework, benefit calculation, safety and stability verification, rollout, gray‑release, and rollback—demonstrating over 50% disk space reduction while managing risk.

Database OptimizationMySQLStorage Management
0 likes · 14 min read
Systematic Approach to Reducing MySQL Database Storage Costs
DataFunSummit
DataFunSummit
May 4, 2022 · Big Data

NetEase Big Data Platform: HDFS Optimization and Practices

NetEase’s senior big‑data engineer shares how the company’s large‑scale data platform leverages Hadoop, HDFS, YARN and related technologies, detailing multi‑layer architecture, cross‑cloud deployment, storage optimizations, NameNode performance enhancements, RPC prioritization, and practical lessons from operating petabyte‑scale clusters.

Cluster OptimizationHDFSPerformance Tuning
0 likes · 23 min read
NetEase Big Data Platform: HDFS Optimization and Practices
OPPO Kernel Craftsman
OPPO Kernel Craftsman
Aug 20, 2021 · Mobile Development

Android Vold (Volume Daemon) Architecture and Operation Principles

Android Vold is a standalone daemon that bridges the kernel and framework, handling storage hot‑plug events such as USB, SD card, and internal partitions by receiving kernel uevents via Netlink, processing them in VolumeManager, and communicating with StorageManager through Binder to mount, encrypt, and manage file systems.

AndroidHot PlugKernel Uevent
0 likes · 8 min read
Android Vold (Volume Daemon) Architecture and Operation Principles
OPPO Kernel Craftsman
OPPO Kernel Craftsman
Jan 22, 2020 · Fundamentals

Understanding the Flash‑Friendly File System (F2FS): Design, Implementation, and Future Directions

F2FS is a log‑structured, flash‑aware file system that transforms random writes into sequential ones, uses segment‑based layout, NAT indexing, and hot‑cold data segregation with sophisticated garbage‑collection to improve SSD performance, and is now deployed in Android devices with ongoing enhancements such as online resizing and cold‑data compression.

F2FSFlash StorageGarbage Collection
0 likes · 17 min read
Understanding the Flash‑Friendly File System (F2FS): Design, Implementation, and Future Directions
Architects' Tech Alliance
Architects' Tech Alliance
Jun 2, 2017 · Operations

Overview of Major IT Management and Storage Management Software Solutions

This article provides a comprehensive overview of leading IT management and storage management software, explaining their classification by enterprise size, core monitoring, control, and automation capabilities, and detailing the features of solutions from IBM, Microsoft, HP, BMC, CA, EMC, NetApp, Hitachi, VMware, ZOHO, Symantec, SolarWinds, and open‑source tools such as Nagios, OpenNMS, and Zabbix.

Enterprise SoftwareIT ManagementStorage Management
0 likes · 16 min read
Overview of Major IT Management and Storage Management Software Solutions
Efficient Ops
Efficient Ops
Feb 9, 2017 · Big Data

Mastering HDFS Disk Balancer: Optimize DataNode Storage in Hadoop 3

This article explains the new HDFS disk balancer feature introduced in Hadoop 3, covering its purpose, supported volume‑selection policies, step‑by‑step usage, planning and execution commands, and how it helps maintain balanced storage across DataNode disks.

Big DataDisk BalancerHDFS
0 likes · 8 min read
Mastering HDFS Disk Balancer: Optimize DataNode Storage in Hadoop 3