github/awesome-kubernetes
1
0
Fork 0
mirror of https://github.com/nubenetes/awesome-kubernetes.git synced 2026-07-14 02:40:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat: implement Phase 3 tagging system, clickable tag filtering, custom color badges, and tags.md index generation

Browse Source
This commit is contained in:
Nubenetes Bot
2026-06-18 02:36:51 +02:00
parent 7f7861e3e8
commit 235d9d721b
166 changed files with 19456 additions and 4002 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
v2-docs/java-and-java-performance-optimization.md
View File

@@ -8,6 +8,10 @@
1. [Architectural Foundations](#architectural-foundations)
- [Kubernetes Tools](#kubernetes-tools)
- [General Reference](#general-reference)
1. [CICD Pipelines](#cicd-pipelines)
- [Jenkins Management](#jenkins-management)
- [Infrastructure Upgrades](#infrastructure-upgrades)
- [JVM Performance Tuning](#jvm-performance-tuning)
1. [Cloud Native Infrastructure](#cloud-native-infrastructure)
- [Kubernetes](#kubernetes)
- [Containerized JVM Tuning](#containerized-jvm-tuning)
@@ -66,10 +70,10 @@
- [geekflare.com: What is Thread Dump and How to Analyze them? 🌟](https://geekflare.com/dev/generate-analyze-thread-dumps) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering geekflare.com in the Kubernetes Tools ecosystem.
- [On heap vs off heap memory usage](https://www.javacodegeeks.com/2014/12/on-heap-vs-off-heap-memory-usage.html) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering www.javacodegeeks.com in the Kubernetes Tools ecosystem.
- [DZone refcard: Java Caching](https://dzone.com/refcardz/java-caching) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering DZone refcard: Java Caching in the Kubernetes Tools ecosystem.
- [DZone: Performance Improvement in Java Applications: ORM/JPA 🌟](https://dzone.com/articles/performance-improvement-in-java-applications-orm-j) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering DZone: Performance Improvement in Java Applications: ORM/JPA 🌟 in the Kubernetes Tools ecosystem.
- [DZone: The JVM Architecture Explained 🌟](https://dzone.com/articles/jvm-architecture-explained) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering DZone: The JVM Architecture Explained 🌟 in the Kubernetes Tools ecosystem.
- [DZone: How to Troubleshoot Sudden CPU Spikes](https://dzone.com/articles/troubleshoot-sudden-cpu-spikes) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering DZone: How to Troubleshoot Sudden CPU Spikes in the Kubernetes Tools ecosystem.
- [DZone refcard: Java Caching](https://dzone.com/refcardz/java-caching) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering DZone refcard: Java Caching in the Kubernetes Tools ecosystem.
- [Dzone: 7 JVM Arguments of Highly Effective Applications 🌟🌟🌟](https://dzone.com/articles/7-jvm-arguments-of-highly-effective-applications-1) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering Dzone: 7 JVM Arguments of Highly Effective Applications 🌟🌟🌟 in the Kubernetes Tools ecosystem.
- [dzone.com: Flight Recorder: Examining Java and Kotlin Apps](https://dzone.com/articles/flight-recorder-examining-java-and-kotlin-apps) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering dzone.com: Flight Recorder: Examining Java and Kotlin Apps in the Kubernetes Tools ecosystem.
- [medium: How to reduce your JVM app memory footprint in Docker and Kubernetes' 🌟](https://medium.com/wix-engineering/how-to-reduce-your-jvm-app-memory-footprint-in-docker-and-kubernetes-d6e030d21298) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering medium: How to reduce your JVM app memory footprint in Docker and Kubernetes' 🌟 in the Kubernetes Tools ecosystem.
@@ -92,6 +96,16 @@
- [DZone: Understanding the Java Memory Model and Garbage Collection 🌟](https://dzone.com/articles/understanding-the-java-memory-model-and-the-garbag) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering DZone: Understanding the Java Memory Model and Garbage Collection 🌟 in the Kubernetes Tools ecosystem.
- [DZone: Memory Leaks and Java Code](https://dzone.com/articles/memory-leak-andjava-code) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering DZone: Memory Leaks and Java Code in the Kubernetes Tools ecosystem.
- [Hazelcast JET](https://jet-start.sh) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A curated technical resource and architectural guide covering Hazelcast JET in the Kubernetes Tools ecosystem.
## CICD Pipelines
### Jenkins Management
#### Infrastructure Upgrades
- **(2019)** [Running Jenkins on Java 11 🌟](https://www.jenkins.io/doc/administration/requirements/jenkins-on-java-11) <span class='md-tag md-tag--critical'>[LEGACY]</span> — Comprehensive administration runbook describing JVM upgrade pathways from Java 8 to Java 11. Addresses class-loading modifications, modularization parameters, and deprecated agent arguments.
#### JVM Performance Tuning
- **(2016)** [jenkins.io - Tuning Jenkins GC For Responsiveness and Stability with Large Instances 🌟](https://www.jenkins.io/blog/2016/11/21/gc-tuning) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Critical infrastructure advisory detailing memory allocation and G1GC GC argument tuning for massive Jenkins instances. Provides ready-to-use flag structures to eliminate long-duration Stop-The-World JVM freezes.
## Cloud Native Infrastructure
### Kubernetes
@@ -127,7 +141,7 @@
#### Thread Affinity
- **(2022)** [**OpenHFT/Java-Thread-Affinity**](https://github.com/OpenHFT/Java-Thread-Affinity) <span class='md-tag md-tag--info'>⭐ 1897</span> <svg class="v2-sparkline" width="50" height="15" viewBox="0 0 50 15" style="vertical-align: middle; display: inline-block; margin-left: 6px;" title="Activity Trend"><defs><linearGradient id="spark-grad-4bd1c5bd" x1="0" y1="0" x2="1" y2="0"><stop offset="0%" stop-color="rgba(34, 211, 238, 0.2)" /><stop offset="100%" stop-color="var(--md-accent-fg-color)" /></linearGradient></defs><path class="v2-sparkline-path" d="M 0 11 L 10 7 L 20 10 L 30 11 L 40 12 L 50 5" fill="none" stroke="url(#spark-grad-4bd1c5bd)" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" /><circle cx="50" cy="5" r="2" fill="var(--md-accent-fg-color)" /></svg> <span class='md-tag md-tag--warning'>[JAVA CONTENT]</span> <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> 🌟🌟🌟🌟 <span class='md-tag md-tag--info'>[ENTERPRISE-STABLE]</span> — Highly optimized library that binds Java execution threads to specific CPU cores. Mitigates task context-switching overhead in low-latency financial systems, guaranteeing deterministic scheduling on modern multi-core hardware.
- **(2022)** [**OpenHFT/Java-Thread-Affinity**](https://github.com/OpenHFT/Java-Thread-Affinity) <span class='md-tag md-tag--info'>⭐ 1897</span> <svg class="v2-sparkline" width="50" height="15" viewBox="0 0 50 15" style="vertical-align: middle; display: inline-block; margin-left: 6px;" title="Activity Trend"><defs><linearGradient id="spark-grad-4bd1c5bd" x1="0" y1="0" x2="1" y2="0"><stop offset="0%" stop-color="rgba(34, 211, 238, 0.2)" /><stop offset="100%" stop-color="var(--md-accent-fg-color)" /></linearGradient></defs><path class="v2-sparkline-path" d="M 0 11 L 10 7 L 20 10 L 30 11 L 40 12 L 50 5" fill="none" stroke="url(#spark-grad-4bd1c5bd)" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" /><circle cx="50" cy="5" r="2" fill="var(--md-accent-fg-color)" /></svg> <span class='md-tag md-tag--warning'>[JAVA CONTENT]</span> <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> 🌟🌟🌟🌟 <span class='md-tag md-tag--success'>[ENTERPRISE-STABLE]</span> — Highly optimized library that binds Java execution threads to specific CPU cores. Mitigates task context-switching overhead in low-latency financial systems, guaranteeing deterministic scheduling on modern multi-core hardware.
### Memory Management
#### Diagnostics (1)
@@ -142,7 +156,7 @@
#### Diagnostics (2)
- **(2023)** [speakerdeck.com: Profiling a Java Application @DevDays 2023 | Victor Rentea](https://speakerdeck.com/victorrentea/profiling-a-java-application-at-devdays-2023) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Deep presentation deck outlining hands-on strategies for profiling complex enterprise Java deployments. Explores diagnosing thread contention, locking bottlenecks, heap leaks, and high JIT compilation latency.
- **(2020)** [developers.redhat.com: Get started with JDK Flight Recorder in OpenJDK 8u 🌟](https://developers.redhat.com/blog/2020/08/25/get-started-with-jdk-flight-recorder-in-openjdk-8u) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--info'>[LEGACY]</span> — Explores backporting JDK Flight Recorder to OpenJDK 8u, enabling low-overhead hardware and software event monitoring in production environments. Demonstrates negligible performance drag (<1%) compared to legacy profilers.
- **(2020)** [developers.redhat.com: Get started with JDK Flight Recorder in OpenJDK 8u 🌟](https://developers.redhat.com/blog/2020/08/25/get-started-with-jdk-flight-recorder-in-openjdk-8u) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--critical'>[LEGACY]</span> — Explores backporting JDK Flight Recorder to OpenJDK 8u, enabling low-overhead hardware and software event monitoring in production environments. Demonstrates negligible performance drag (<1%) compared to legacy profilers.
## Java Platform
### Runtime and JVM
@@ -216,14 +230,14 @@
- **(2024)** [Byteman](https://byteman.jboss.org) <span class='md-tag md-tag--warning'>[JAVA CONTENT]</span> <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A highly robust runtime bytecode injection tool utilizing JBoss rule engines to trace, test, and inject faults into live Java applications. By using Event-Condition-Action (ECA) rules without requiring source code modifications, it remains a vital instrument for simulating extreme edge cases, chaos engineering, and tracing complex cloud microservices.
- **(2021)** [developers.redhat.com: A faster way to access JDK Flight Recorder data](https://developers.redhat.com/articles/2021/11/23/faster-way-access-jdk-flight-recorder-data) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Technical review of modern JVM Flight Recorder streaming capabilities. It reviews strategies for consuming real-time telemetry events via Java in-memory APIs, offering low-latency, zero-overhead diagnostic monitoring without relying on bulky local file dumps.
- **(2020)** [developers.redhat.com: Collect JDK Flight Recorder events at runtime with JMC Agent 🌟](https://developers.redhat.com/blog/2020/10/29/collect-jdk-flight-recorder-events-at-runtime-with-jmc-agent) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A detailed Red Hat guide walking through real-time runtime JVM tracing using the JMC Agent. It explains how to dynamically inject custom JDK Flight Recorder (JFR) event declarations into third-party libraries and production codebases on-the-fly, bypassing the need for restarts or manual instrumentation.
- **(2014)** [Free eGuide: JVM Troubleshooting Guide](https://freepromagazine.blogspot.de/2014/07/free-eguide-jvm-troubleshooting-guide.html) <span class='md-tag md-tag--secondary'>[GUIDE]</span> <span class='md-tag md-tag--info'>[LEGACY]</span> — A legacy reference guide focused on classical JVM diagnostics, thread dump analysis, and heap tracking. While it lays down correct foundational principles for identifying memory leaks and deadlock patterns, its technical utility is limited today given its lack of coverage on modern diagnostic frameworks like JDK Flight Recorder, Cryostat, and advanced container-aware heap tools.
- **(2014)** [Free eGuide: JVM Troubleshooting Guide](https://freepromagazine.blogspot.de/2014/07/free-eguide-jvm-troubleshooting-guide.html) <span class='md-tag md-tag--secondary'>[GUIDE]</span> <span class='md-tag md-tag--critical'>[LEGACY]</span> — A legacy reference guide focused on classical JVM diagnostics, thread dump analysis, and heap tracking. While it lays down correct foundational principles for identifying memory leaks and deadlock patterns, its technical utility is limited today given its lack of coverage on modern diagnostic frameworks like JDK Flight Recorder, Cryostat, and advanced container-aware heap tools.
#### Garbage Collection (2)
- **(2011)** [How Garbage Collection differs in the three big JVMs](https://apmblog.dynatrace.com/2011/05/11/how-garbage-collection-differs-in-the-three-big-jvms) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--info'>[LEGACY]</span> — An architectural comparison of garbage collection strategies across the three historically major JVM engines: Oracle HotSpot, IBM J9, and Oracle JRockit. It evaluates generational assumptions, compaction pauses, and old-generation management policies. Although useful for legacy support, it predates modern developments like ZGC or Shenandoah.
- **(2011)** [How Garbage Collection differs in the three big JVMs](https://apmblog.dynatrace.com/2011/05/11/how-garbage-collection-differs-in-the-three-big-jvms) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--critical'>[LEGACY]</span> — An architectural comparison of garbage collection strategies across the three historically major JVM engines: Oracle HotSpot, IBM J9, and Oracle JRockit. It evaluates generational assumptions, compaction pauses, and old-generation management policies. Although useful for legacy support, it predates modern developments like ZGC or Shenandoah.
- **(2011)** [javarevisited.blogspot.com: How Garbage Collection works in Java? Explained (2011)](https://javarevisited.blogspot.com/2011/04/garbage-collection-in-java.html) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A fundamental learning resource explaining basic JVM Garbage Collection loops, young-and-old generational divisions, and classic algorithms (such as Serial and Parallel collectors). While standard for conceptual onboarding, developers should supplement this material with modern G1GC and low-latency concurrent garbage collectors.
#### Memory Management (1)
- **(2016)** [Jillegal OffHeap Module](https://github.com/serkan-ozal/jillegal) <span class='md-tag md-tag--warning'>[JAVA CONTENT]</span> <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--warning'>[EMERGING]</span> <span class='md-tag md-tag--info'>[LEGACY]</span> — An experimental and now archived Java library designed to bypass standard JVM memory management by allocating objects directly off-heap. While historically notable for developers seeking ultra-low latency and manual pointer manipulation, modern JDK developments—specifically the Foreign Function and Memory API (Project Panama)—have rendered this library obsolete. It remains useful primarily as a reference for educational and historical exploration of raw memory control within the Java ecosystem.
- **(2016)** [Jillegal OffHeap Module](https://github.com/serkan-ozal/jillegal) <span class='md-tag md-tag--warning'>[JAVA CONTENT]</span> <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--warning'>[EMERGING]</span> <span class='md-tag md-tag--critical'>[LEGACY]</span> — An experimental and now archived Java library designed to bypass standard JVM memory management by allocating objects directly off-heap. While historically notable for developers seeking ultra-low latency and manual pointer manipulation, modern JDK developments—specifically the Foreign Function and Memory API (Project Panama)—have rendered this library obsolete. It remains useful primarily as a reference for educational and historical exploration of raw memory control within the Java ecosystem.
- **(2014)** [Cambios importantes en la gestión de memoria de Java 8 de Oracle](https://karunsubramanian.com/websphere/one-important-change-in-memory-management-in-java-8) <span class='md-tag md-tag--warning'>[SPANISH CONTENT]</span> <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — An analytical article exploring the systemic shifts in Oracle Java 8's memory management model, highlighting the deletion of Permanent Generation (PermGen) and the introduction of Metaspace. It details how class metadata is offloaded to native memory, significantly reducing the occurrence of OutOfMemoryError exceptions in enterprise application servers like IBM WebSphere and JBoss.
- **(2014)** [PermGen eliminado](https://www.infoq.com/articles/Java-PERMGEN-Removed) <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — A deep-dive technical brief on InfoQ describing the dynamic architecture shift resulting from the removal of PermGen in JDK 8. The article reviews Metaspace configuration parameters, auto-tuning behavior, garbage collection triggers for classloader metadata, and the operational adjustments required for zero-downtime Java migrations.
#### Performance Optimization (1)
@@ -231,5 +245,5 @@
- **(2020)** [developers.redhat.com: Checkpointing Java from outside of Java](https://developers.redhat.com/blog/2020/10/15/checkpointing-java-from-outside-of-java) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — An exploration of JVM checkpoint/restore methodologies focusing on Coordinated Restore at Checkpoint (CRaC) and external CRIU mechanisms. This approach enables instantaneous microservice startup by taking cold snapshots of memory, dramatically lowering latency penalties in serverless deployments.
---
💡 **Explore Related:** [Postman](./postman.md) | [Angular](./angular.md) | [Swagger Code Generator For Rest APIs](./swagger-code-generator-for-rest-apis.md)
💡 **Explore Related:** [Angular](./angular.md) | [Python](./python.md) | [Dom](./dom.md)