Links

▼
Monday, October 26, 2015

Linux Kernel Stack Profiling and Flame Graphs Applied to Oracle Investigations

›
Topic: This blog post is about kernel stack profiling and visualization with flame graphs. Context: Stack profiling and flame graphs ...
Saturday, August 29, 2015

Add Color to Your SQL

›
Topic:  this post is about some simple techniques to add color to SQL scripts and their terminal output using ANSI escape codes. Color...
Wednesday, July 29, 2015

Diagnose High-Latency I/O Operations Using SystemTap

›
Topic: this post is about some simple tools and techniques that can be used to drill down high-latency I/O events using SystemTap probes. ...
Tuesday, July 14, 2015

Heat Map Visualization of Latency Histograms for NetApp C-Mode

›
Topic: This post is about collecting and visualizing I/O latency histograms for NetApp filers in C-mode. Motivations: The drill down of...
Monday, June 15, 2015

Event Histogram Metric and Oracle 12c

›
Topic:  event histogram metric, a script and some related discussions on collecting and displaying wait event latency histograms for Oracle ...
Wednesday, March 18, 2015

Heat Map Visualization of I/O Latency with SystemTap and PyLatencyMap

›
Topic: PyLatencyMap v1.2  a tool for collecting and visualizing I/O latency data collected and about its integration with SystemTap. Intr...
Wednesday, February 18, 2015

Latest Updates to PerfSheet4, a Tool for Oracle AWR Data Mining and Visualization

›
Topic:  This post is about the latest updates to  PerfSheet4  v3.7 (February 2015). PerfSheet4 is a tool aimed at DBAs and Oracle performanc...
2 comments: