From 4441c71f3b08b26f9a92b9d1eeaac9aeb47c9522 Mon Sep 17 00:00:00 2001
From: Fabian <fab.hof@gmx.de>
Date: Thu, 24 Sep 2026 16:49:16 +0200
Subject: [PATCH] ci(codspeed): pin polars to one thread in the memory job

---
 .github/workflows/codspeed.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/codspeed.yml b/.github/workflows/codspeed.yml
index 9253bba7..1af76b13 100644
--- a/.github/workflows/codspeed.yml
+++ b/.github/workflows/codspeed.yml
@@ -22,6 +22,8 @@ jobs:
     name: Memory (heap)
     runs-on: ubuntu-latest
     continue-on-error: true   # informational, never blocks a merge
+    env:
+      POLARS_MAX_THREADS: 1  # polars' pool allocates per core; runner size varies
     permissions:
       contents: read   # actions/checkout
       id-token: write  # OIDC auth with CodSpeed — no token secret