Thu.Aug 04, 2022

The Challenges of Ajax CDN


For the longest time, hosting static files on CDNs was the de facto standard for performance tuning website pages. The host offered browser caching advantages, better stability, and storage on fast edge servers across strategic geolocations.

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Simple Parameterization and Trivial Plans — Part 6

SQL Performance

[ This series: Part 1 | Part 2 | Part 3 | Part 4 | Part 5 | Part 6 ]. In part 5, I described how the early phases of query compilation affect simple parameterization. To recap: Normalization and decoding promote cached plan reuse. The decoding step has fixed and limited capabilities.


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Spark-Radiant: Apache Spark Performance and Cost Optimizer


Spark-Radiant is Apache Spark Performance and Cost Optimizer. Spark-Radiant will help optimize performance and cost considering catalyst optimizer rules, enhance auto-scaling in Spark, collect important metrics related to a Spark job, Bloom filter index in Spark, etc.

Testing Even Before a Line of Code Is Written: Is It Possible?


Testing is often viewed as a necessary evil in software development, in order to ensure the quality of applications. Most commonly, however, testing occurs after the coding process has been completed.

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