lecture 11 of 170 completed

Sharding across machines

Beyond one machine's limit, you split the run. Balancing and report merging are where teams get it wrong.

What you'll learn

  • How to split a run across machines
  • Why blob reports must be merged
  • Which runs are worth sharding and which are not

Worker tuning has a ceiling: one machine. Past that, you split the suite across machines, which Playwright calls sharding.

members only

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The Foundations track and the first 5 lectures of each framework are free. This lecture is part of the paid course, which unlocks every lecture, all three frameworks, and downloads.

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