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jstat

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Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 9, 2023 · Backend Development

Master JDK Command-Line Tools for Java Troubleshooting

This guide explains how to use JDK command-line utilities such as jps, jstat, jinfo, jmap, jhat, and jstack to monitor JVM processes, inspect memory usage, generate heap dumps, and diagnose performance issues, providing command syntax, options, and practical examples.

JDKJavaTroubleshooting
0 likes · 8 min read
Master JDK Command-Line Tools for Java Troubleshooting
Top Architect
Top Architect
Jun 13, 2021 · Operations

Troubleshooting a JVM Memory Leak and Network Timeout Issue in a Monitoring Service

The article recounts a weekend on‑call incident where a Java monitoring service suffered network packet loss and a severe memory leak, leading to massive timeouts, high CPU usage, and frequent GC, and explains how the problem was diagnosed and resolved using tools such as top, jstat, jstack, jmap, and MAT.

JVMJavaNetwork Timeout
0 likes · 9 min read
Troubleshooting a JVM Memory Leak and Network Timeout Issue in a Monitoring Service
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
May 2, 2021 · Backend Development

Master Java’s Built‑In Diagnostic Tools: jps, jstat, jinfo, jmap, jhat & jstack

This guide explains where Java's command‑line tools reside, why they are small wrappers around tools.jar, and provides detailed usage, options, and examples for the most common diagnostics utilities—including jps, jstat, jinfo, jmap, jhat, and jstack—helping developers monitor and troubleshoot JVM processes effectively.

JDKJavadiagnostic tools
0 likes · 7 min read
Master Java’s Built‑In Diagnostic Tools: jps, jstat, jinfo, jmap, jhat & jstack
macrozheng
macrozheng
May 21, 2020 · Fundamentals

How Adjusting IntelliJ IDEA Memory Settings Boosts IDE Performance

This article reports a systematic experiment that compares four IntelliJ IDEA memory configurations on a large Java monolith and two micro‑services, measuring startup, project loading times and JVM garbage‑collection metrics with jstat to identify the most efficient setting.

IDE performanceIntelliJ IDEAJVM
0 likes · 11 min read
How Adjusting IntelliJ IDEA Memory Settings Boosts IDE Performance
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Jun 3, 2018 · Operations

JVM Statistics Monitoring Tool (jstat) Command Usage Guide

This article explains the jstat command syntax, options, and detailed parameter descriptions for monitoring JVM class loading, memory usage, garbage collection, JIT compilation, and other runtime statistics, providing examples and visual tables to help developers analyze Java process performance.

Garbage CollectionJVMJava
0 likes · 7 min read
JVM Statistics Monitoring Tool (jstat) Command Usage Guide
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Nov 8, 2016 · Backend Development

Quickly Diagnose High CPU Usage in Java/Tomcat with jstack and Jstat

This article explains how to identify and resolve intermittent high CPU usage in Java/Tomcat services by analyzing thread stacks with jstack, examining GC behavior with Jstat, and using Jmap for memory inspection, providing step‑by‑step commands and practical tips for ops engineers.

CPUJavaTomcat
0 likes · 7 min read
Quickly Diagnose High CPU Usage in Java/Tomcat with jstack and Jstat