clockworklabs / clockworklabs/SpacetimeDB
Execution metrics for views
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@Shubham8287 is already working on this.
Since Dec 11, 2025.
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Description
Currently we can split the execution of a reducer into at least three distinct phases:
- The reducer call
- View update
- Subscription update
We have reducer and subscription level metrics, but we don't have any view-level metrics. We'd like to know things like:
- Call rates for views
- Execution times for views
- How much do views contribute to total transaction time
- Read set sizes for views
- Subscribers
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