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Ionut Balosin

Software Architect | Technical Trainer | Security Champion | Speaker | Blogger

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Latest Post

Just Enough Architectural Documentation Application / Dynamic Class Data Sharing In HotSpot JVM Do we really need an ORM? HotSpot JVM Performance Tuning Guidelines The inner workings of technical conferences
Architecture

Just Enough Architectural Documentation

Apr 20, 2022 Ionut Balosin
Performance

Application / Dynamic Class Data Sharing In HotSpot JVM

Apr 2, 2022 Ionut Balosin
Architecture

Do we really need an ORM?

Dec 6, 2021 Ionut Balosin
Performance

HotSpot JVM Performance Tuning Guidelines

Jan 7, 2020 Ionut Balosin
Soft Skills

The inner workings of technical conferences

Dec 22, 2019 Ionut Balosin
  • Latest
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  • Just Enough Architectural Documentation
    Architecture
    Just Enough Architectural Documentation
  • Application / Dynamic Class Data Sharing In HotSpot JVM
    Performance
    Application / Dynamic Class Data Sharing In HotSpot JVM
  • Do we really need an ORM?
    Architecture
    Do we really need an ORM?
  • HotSpot JVM Performance Tuning Guidelines
    Performance
    HotSpot JVM Performance Tuning Guidelines
  • JVM Garbage Collectors Benchmarks Report 19.12
    Performance
    JVM Garbage Collectors Benchmarks Report 19.12
  • JVM JIT Compilers Benchmarks Report 19.04
    Performance
    JVM JIT Compilers Benchmarks Report 19.04
  • Logging patterns and their performance impact
    Performance
    Logging patterns and their performance impact
  • JVM JIT Compilers Benchmarks Report 19.11
    Performance
    JVM JIT Compilers Benchmarks Report 19.11
  • Just Enough Architectural Documentation
    Architecture
    Just Enough Architectural Documentation
  • Application / Dynamic Class Data Sharing In HotSpot JVM
    Performance
    Application / Dynamic Class Data Sharing In HotSpot JVM
  • Do we really need an ORM?
    Architecture
    Do we really need an ORM?
  • HotSpot JVM Performance Tuning Guidelines
    Performance
    HotSpot JVM Performance Tuning Guidelines
Architecture

Just Enough Architectural Documentation

Apr 20, 2022 Ionut Balosin

Content Intro Quality vs. Quantity Just Enough Context Diagram Software Diagram Deployment Diagram Architectural Decision Record Is there something else to consider? Why not use an architectural model? Further References…

Performance

Application / Dynamic Class Data Sharing In HotSpot JVM

Apr 2, 2022 Ionut Balosin

Content Intro Class Data Sharing (CDS) Archive footprint on disk Application Class Data Sharing (AppCDS) Shared base address Store interned strings Dynamic Class Data Sharing (Dynamic CDS) Base-layer dependency Create…

Architecture

Do we really need an ORM?

Dec 6, 2021 Ionut Balosin

Motivation Nowadays, using an ORM (Object-Relational Mapping) is a low-hanging fruit because there are plenty of such implementations available for modern programming languages and a variety of databases. But is…

Performance

HotSpot JVM Performance Tuning Guidelines

Jan 7, 2020 Ionut Balosin

HotSpot JVM Performance Tuning Guidelines Content Intro Memory Heap Off-Heap Metaspace CodeCache Direct Buffers ClassLoader Dynamic Class-Data Sharing Just-In-Time Compiler Tiered Mode: C1+C2 Graal JIT Threads Garbage Collectors Serial Garbage…

Soft Skills

The inner workings of technical conferences

Dec 22, 2019 Ionut Balosin

Introduction In this blog post, David Leitner and I want to give you an insight, based on our experience from the past years of speaking at international conferences (e.g. more…

Performance

JVM Garbage Collectors Benchmarks Report 19.12

Dec 14, 2019 Ionut Balosin

Context The current article describes a series of Java Virtual Machine (JVM) Garbage Collectors (GC) micro-benchmarks and their results, using a different set of patterns. For the current issue, I…

Architecture

When do we need an architect

Dec 5, 2019 Ionut Balosin

Key takeaways the methodology, whatever that is (e.g. SCRUM, SAFE, etc) should not impose the necessity of having an architect in the team, but rather the real project needs. in…

Performance

Logging patterns and their performance impact

Nov 21, 2019 Ionut Balosin

Motivation In the current post, I would like to explore different logging patterns and to identify which one is more efficient in terms of performance. Since logging is spread across…

Performance

JVM JIT Compilers Benchmarks Report 19.11

Nov 6, 2019 Ionut Balosin

Context and Motivation The current article describes a series of Java Virtual Machine (JVM) Just In Time (JIT) Compilers micro-benchmarks and their results, relying on different optimization patterns or intrinsics support.…

Architecture Soft Skills

The Agile Manifesto: A Software Architect’s Perspective

Oct 12, 2019 Ionut Balosin

According to the licensing policy, I would like to mention this article was originally published on InfoQ.  Key Takeaways While the role and responsibilities of a software architect can be seen…

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I speak about Java and software architecture, with a taste for performance, and security-related topics.
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Ionut Balosin

Software Architect | Technical Trainer | Security Champion | Speaker | Blogger

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