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Jemalloc 5.4.0

339 points · 94 comments · gkfasdfasdf

  1. vocx2tx · · focus · HN ↗
    For some context on why this release is notable: Jemalloc Postmortem [0]

    [0] <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=44264958">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=44264958

    1. eatonphil · · focus · HN ↗
      And some additional context from a few months ago, building off the postmortem.

      <a href="https:&#x2F;&#x2F;theconsensus.dev&#x2F;p&#x2F;2026&#x2F;04&#x2F;16&#x2F;who-even-uses-jemalloc-anyway.html" rel="nofollow">https:&#x2F;&#x2F;theconsensus.dev&#x2F;p&#x2F;2026&#x2F;04&#x2F;16&#x2F;who-even-uses-jemalloc...

      1. nextaccountic · · focus · HN ↗
        Also, 7 months ago, <a href="https:&#x2F;&#x2F;github.com&#x2F;facebook&#x2F;jemalloc" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;facebook&#x2F;jemalloc said

        &gt; Development of Jemalloc will transition back to the original open source project: <a href="https:&#x2F;&#x2F;github.com&#x2F;jemalloc&#x2F;jemalloc" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;jemalloc&#x2F;jemalloc. Meta’s fork of the Jemalloc project will be fully archived as part of the transition. We look forward to continuing the collaboration with the community to drive jemalloc.

        &gt; See blog post for details: <a href="https:&#x2F;&#x2F;engineering.fb.com&#x2F;2026&#x2F;03&#x2F;02&#x2F;data-infrastructure&#x2F;investing-in-infrastructure-metas-renewed-commitment-to-jemalloc&#x2F;" rel="nofollow">https:&#x2F;&#x2F;engineering.fb.com&#x2F;2026&#x2F;03&#x2F;02&#x2F;data-infrastructure&#x2F;in...

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