Weekly Databricks depth to help engineers get hired and promoted.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 133 | Founded | a year ago | Last Issue | 4 days ago |
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dataengineerwiki.substack.comLatest Issues
How Senior Databricks Engineers Shape the Sprint Before It Starts
4 moves that turn a ticket queue into a promotion case (6 minutes)
A senior engineer on a 6-person Databricks platform team told me: “I don’t take tickets in planning. I spend the hour deciding which ones shouldn’t exist.”
How the Spark Driver Actually Works and Why It Crashes
Tuesday, 2:40 PM. Twelve people share an all-purpose cluster with 8 workers. One of them calls toPandas() on a 30-million-row DataFrame to eyeball it in pandas.
Every notebook on the cluster shows the same banner: The spark driver has st...
Two Databricks jobs, one Delta table, same moment: 3 endings (and the 1 that needs a human)
Two in the morning. A nightly merge is folding yesterday's orders into a Delta table. A backfill someone kicked off before logging off is correcting March. Neither job knows the other exists, and nothing in Delta would tell them.
A lot of...
The 4 Hidden Taxes Managed Clusters Charge You
Only one of them ever shows up on the invoice
Every Databricks engineer learns to size a cluster before they learn almost anything else. Node type. Worker count. Autoscaling min and max. Spot or on-demand. Which runtime version. A dozen Sp...
Deprecating a Databricks Table Is Worse Than Deleting It
Every Databricks workspace has a table that stopped updating months ago and is still answering queries. Nobody is going to delete it. The plan, if anyone has one, is to deprecate it: add a note to the description, tell the two people who mi...
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Databricks Data Engineer (ex-Uber). I teach the Databricks skills that get you hired and promoted. 20,000+ engineers follow along.
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