The hottest Performance optimization Substack posts right now

And their main takeaways
Category
Top Technology Topics

Live Session on Performance Optimization Using 1BRC as a Case Study

Confessions of a Code Addict • 360 implied HN points • 02 Feb 24
🕹 Technology Coding Performance optimization Live session Software Development Programming Languages
  1. The live session focuses on learning to analyze and reason about code performance through iterative optimization using 1BRC as a case study.
  2. Attendees will explore various topics including performance profiling with flamegraphs, I/O strategies, and leveraging SIMD instructions.
  3. Prerequisites include a few years of coding experience in languages like C, C++, Java, or others, with a specific focus on Java during the session.

SAI #26: Partitioning and Bucketing in Spark (Part 1)

SwirlAI Newsletter • 373 implied HN points • 15 Apr 23
🕹 Technology Data Engineering Big Data Performance optimization Data Storage Data processing
  1. Partitioning and bucketing are two key data distribution techniques in Spark.
  2. Partitioning helps improve performance by allowing skipping reading the entire dataset when only a part is needed.
  3. Bucketing is beneficial for collocating data and avoiding shuffling in operations like joins and groupBys.

Thundering Herd Problem and addressing it with randomness

Arpit’s Newsletter • 157 implied HN points • 22 Mar 23
🕹 Technology Networking Randomness Performance optimization
  1. Thundering Herd Problem can overwhelm a server when multiple clients retry requests simultaneously.
  2. Exponential Backoff introduces delays between retries to give servers breathing space and time to recover.
  3. Adding randomness (Jitter) to retry intervals helps distribute retries and avoid coinciding, easing the server load.
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Ansible Tips and Tricks

Certo Modo • 19 implied HN points • 03 Oct 23
🕹 Technology Security Automation Performance optimization
  1. Organize your Ansible files by following a recommended directory structure. This helps keep things structured and manageable as your project grows.
  2. Avoid putting secrets like credentials directly into variable files. Use Ansible Vault to encrypt sensitive information, maintaining security.
  3. Utilize tools like Ansible-Lint for verifying playbook syntax, and the --check option in ansible-playbook for 'dry-runs' to catch errors before affecting production.

Normalizing User Data

ciamweekly • 2 HN points • 26 Feb 24
🕹 Technology Data Modeling Normalization Performance optimization
  1. Data modeling involves the choice between normalizing data and using denormalized data, each with its own strengths and tradeoffs.
  2. Normalized data leads to less data duplication and easier data updates, but may result in challenges with historical data and performance.
  3. CIAM systems, along with IAM and directory systems, normalize user data to centralize customer information, providing benefits like easy querying and centralized authentication, but also introducing challenges like session handling and updating data across systems.

High Performance Swift Apps

Jacob’s Tech Tavern • 1 HN point • 04 Mar 24
🕹 Technology Programming Performance optimization Mobile Apps
  1. Testing on a real device to identify user-facing problems is crucial for improving app performance.
  2. Profiling the app using Instruments to identify bottlenecks and implementing targeted code improvements based on the findings can significantly enhance performance.
  3. Improving processing speed, utilizing parallelism, and optimizing code to run earlier during app launch are key strategies for enhancing the performance of Swift apps.

Resizing the Mac App Store: a tale of regret & redemption

awesomekling • 3 HN points • 19 Apr 23
🕹 Technology Software Development Performance optimization
  1. Performance optimization involves investigating and addressing subsystems like layout, style recalculation, and JavaScript execution.
  2. Efforts to optimize can lead to useful general optimizations, not just specific to the initial use case.
  3. Facing challenges and learning from failures can lead to growth and eventual success in overcoming technical hurdles.

Leveraging Kubernetes Itself as a Security Tool with Moving Target Defense

ussphoenix • 1 HN point • 12 Apr 23
🕹 Technology Cybersecurity Kubernetes Automation Performance optimization
  1. Kubernetes can be used as a security tool with Moving Target Defense to improve security posture.
  2. Implementing Moving Target Defense (MTD) involves constantly changing the attack surface to make it harder for attackers to find vulnerabilities.
  3. Organizations should consider critical assets, best security practices, and automation to effectively implement MTD in Kubernetes.

The Journey with O2X Human Performance

The Healthtech Initiative • 0 implied HN points • 09 Nov 23
🏥 Health & Wellness Well-being Performance optimization Leadership
  1. Paul McCullough's journey showcases dedication, perseverance, and commitment to human potential and well-being.
  2. Paul's experience in the Navy SEALs emphasizes the importance of teamwork, leadership through action, and setting high standards.
  3. O2X Human Performance focuses on holistic well-being, performance optimization, and enhancing initiatives for tactical athletes.