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Efficient Ops
Efficient Ops
Aug 16, 2021 · Operations

Master Linux Server Monitoring: top, vmstat, pidstat, iostat, netstat & More

An in‑depth guide walks through essential Linux server monitoring tools—top, vmstat, pidstat, iostat, netstat, tcpdump and others—explaining each command’s output, key metrics, and how to interpret CPU, memory, disk and network statistics for effective troubleshooting and performance tuning.

LinuxLinux toolsoperations
0 likes · 16 min read
Master Linux Server Monitoring: top, vmstat, pidstat, iostat, netstat & More
360 Quality & Efficiency
360 Quality & Efficiency
Apr 24, 2020 · Backend Development

Root Cause Analysis of Connection Reset by Peer in a Go Backend Service

This article details a production incident where a Go backend service returned "connection reset by peer" due to exhausted process file descriptors caused by a saturated database connection pool, and describes the step‑by‑step troubleshooting, socket internals, and the eventual fix.

Connection ResetDatabase Connection PoolGo
0 likes · 14 min read
Root Cause Analysis of Connection Reset by Peer in a Go Backend Service
Architect's Tech Stack
Architect's Tech Stack
Mar 31, 2020 · Backend Development

Investigation of Excessive Native Memory Usage in a Spring Boot Application

This article details a step‑by‑step investigation of unusually high native memory consumption in a Spring Boot service, covering JVM configuration, system‑level diagnostics with jcmd, pmap, gperftools, strace, GDB, and jstack, and explains how the MCC component’s default package scanning caused the leak and how configuring scan paths or upgrading Spring Boot resolved the issue.

JVMLinux toolsMemory Leak
0 likes · 11 min read
Investigation of Excessive Native Memory Usage in a Spring Boot Application
Architecture Digest
Architecture Digest
Nov 1, 2017 · Operations

A Structured Approach to Online System Issue Diagnosis and Recovery

This article outlines a systematic methodology for understanding, evaluating, and quickly resolving production system incidents by categorizing system layers, assessing impact, employing Linux diagnostic tools, and designing fault‑tolerant mechanisms to minimize downtime and maintain core functionality.

BackendLinux toolsincident management
0 likes · 12 min read
A Structured Approach to Online System Issue Diagnosis and Recovery