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Luca's blog on data engineering, data platforms, and performance.
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Blog of the database services at CERN
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Tuesday, May 31, 2016
Linux BPF/bcc for Oracle Tracing
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Topic: In this post you will find a short discussion and pointers to the code of a few sample scripts that I have written using Linux BPF/b...
Wednesday, April 27, 2016
IPython/Jupyter Notebooks for Querying Apache Impala
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Topic: in this post you can find examples of how to get started with using IPython/Jupyter notebooks for querying Apache Impala . Apach...
Tuesday, March 29, 2016
SystemTap Guru Mode and Oracle SQL Parsing
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Introduction and motivations SystemTap and dynamic tracing tools in general give administrators great control on their systems with the r...
Thursday, February 25, 2016
PerfSheet.js: Oracle AWR Data Visualization in the Browser with JavaScript Pivot Charts
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PerfSheet.js is a tool aimed at DBAs and Oracle performance analysts. It provides a simplified interface to extract and visualize AWR t...
Monday, January 25, 2016
Linux Perf Probes for Oracle Tracing
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Topic: this post is about Linux perf and uprobes for tracing and profiling Oracle workloads for advanced troubleshooting. Context The re...
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