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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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Showing posts with label
Oracle
.
Show all posts
Showing posts with label
Oracle
.
Show all posts
Monday, September 8, 2025
Troubleshoot I/O & Wait Latency with OraLatencyMap and PyLatencyMap
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I recently chased an Oracle performance issue where most reads were sub-millisecond (cache) , but a thin band around ~10 ms (spindles) domi...
Monday, March 17, 2025
ATLAS DCS Analysis with Apache Spark and Jupyter Notebooks
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The ATLAS Detector Control System (DCS) at CERN is essential for ensuring optimal detector performance. Each year, the system generates t...
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...
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