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An Idiot's Guide to Spark Connect Clients

An Idiot's Guide to Spark Connect Clients

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18 min read
Most PySpark Tuning Advice Starts in the Wrong Place

Most PySpark Tuning Advice Starts in the Wrong Place

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11 min read
Explaining the Python-JVM Boundary in Spark, and What Arrow Changed

Explaining the Python-JVM Boundary in Spark, and What Arrow Changed

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14 min read
Stop Blaming Serialization for Slow Python UDFs

Stop Blaming Serialization for Slow Python UDFs

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8 min read
Spark's Modules, Seen Through Spark Connect

Spark's Modules, Seen Through Spark Connect

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17 min read
Two PySpark contracts Staff DEs learn on a bad Tuesday: foreachBatch restarts and applyInPandas skew

Two PySpark contracts Staff DEs learn on a bad Tuesday: foreachBatch restarts and applyInPandas skew

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8 min read
95% of My PySpark Job Finished in 4 Minutes. The Last Task Took 40. Here's Why.

95% of My PySpark Job Finished in 4 Minutes. The Last Task Took 40. Here's Why.

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5 min read
My PySpark Pipeline Was Reading the Same Table 3 Times — Here's Why

My PySpark Pipeline Was Reading the Same Table 3 Times — Here's Why

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5 min read
Sumeh: one API for data quality across 14 engines

Sumeh: one API for data quality across 14 engines

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4 min read
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