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Improve HNSW vector index niceness (async searchLayer) #693

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Improve HNSW vector index niceness (async searchLayer)#693
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kriszyp
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area:performancePerformance, latency, throughputarea:searchVector search, HNSW, full-text searchenhancementNew feature or requestfrom-jiraMigrated or originated from a Jira ticket

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@kriszyp
kriszyp
opened on May 21, 2026

1. Async searchLayer to yield event loop

searchLayer is a synchronous traversal that can run long enough to starve other I/O. Converting it to an async function that occasionally awaits (e.g., every N iterations) would improve concurrency characteristics without meaningfully impacting throughput.

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  1. kriszyp
    self-assigned this
    on May 21, 2026
  2. kriszyp
    added
    enhancementNew feature or request
    from-jiraMigrated or originated from a Jira ticket
    area:performancePerformance, latency, throughput
    area:searchVector search, HNSW, full-text search
    on May 21, 2026
  3. kriszyp
    changed the title [-]Improve HNSW vector index performance (sort + async searchLayer)[/-] [+]Improve HNSW vector index niceness (async searchLayer)[/+] on May 21, 2026
  4. kriszyp
    added a parent issue on Jul 7, 2026
  5. kriszyp
    set
    Priority
    to
    P2
    on Aug 4, 2026
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