Links

▼
Showing posts with label performance. Show all posts
Showing posts with label performance. Show all posts
Monday, September 8, 2025

Troubleshoot I/O & Wait Latency with OraLatencyMap and PyLatencyMap

›
I recently chased an Oracle performance issue where most reads were sub-millisecond (cache) , but a thin band around ~10 ms (spindles) domi...
Friday, April 26, 2024

Building an Apache Spark Performance Lab: Tools and Techniques for Spark Optimization

›
Apache Spark is renowned for its speed and efficiency in handling large-scale data processing. However, optimizing Spark to achieve maximum ...
Wednesday, September 27, 2023

Enhancing Apache Spark Performance with Flame Graphs: A Practical Example Using Grafana Pyroscope

›
TL;DR Explore a step-by-step example of troubleshooting Apache Spark job performance using flame graph visualization and profiling. Discove...
Friday, August 11, 2023

Performance Comparison of 5 JDKs on Apache Spark

›
Dive into a comprehensive load-testing exploration using Apache Spark with CPU-intensive workloads. This blog provides a comparative analysi...
Friday, August 28, 2020

Apache Spark 3.0 Memory Monitoring Improvements

›
TLDR;   Apache Spark 3.0 comes with many improvements, including new features for memory monitoring. This can help you troubleshooting memo...
Thursday, March 26, 2020

Distributed Deep Learning for Physics with TensorFlow and Kubernetes

›
Summary: This post details a solution for distributed deep learning training for a High Energy Physics use case, deployed using cloud resou...