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TechTalk

Ghost
techtalk.digitalpress.blog· irregular· Published 5 months ago

TechTalk is a blog-style newsletter that walks through how software and data tools work internally, using analogies and worked code examples. Recent issues cover data sketches for approximate counting, the cost of Python UDFs in PySpark, and database sharding and partitioning strategies.

data sketcheshyperloglogcount distinctpyspark udfspark catalystdatabase shardingdatabase partitioninghorizontal partitioningdesigning data-intensive applicationsapproximate counting
Platform
Ghost
Frequency
Irregular
Latest issue
May 25, 2026
Language
English
Written for
Software and data engineers wanting deeper understanding of internals
Tone
conversational
Tracked since
Oct 25, 2026

Website: https://techtalk.digitalpress.blog/