clockworklabs / clockworklabs/SpacetimeDB

Cache QueryExpr in iter_filtered_chunks

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Dominant language
Rust
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Description

It's showing up in flamegraphs taking up most of that call...

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating iter_filtered_chunks and tracing how QueryExpr is created and used. Use the reported flamegraph as the baseline, then verify that the query expression is cached and that profiling shows reduced cost without changing filtered-chunk behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
databases, performance
Issue type
Refactor
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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