From c5412d66b058051b627ea0fe5c409860289ad1f1 Mon Sep 17 00:00:00 2001
From: Christopher Baines <mail@cbaines.net>
Date: Wed, 9 Aug 2023 19:48:51 +0100
Subject: Don't use threads for substituting derivations

Instead use non-blocking store connections like Cuirass does.
---
 guix-build-coordinator/coordinator.scm | 19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)

(limited to 'guix-build-coordinator/coordinator.scm')

diff --git a/guix-build-coordinator/coordinator.scm b/guix-build-coordinator/coordinator.scm
index 15b6aa0..3dd49e3 100644
--- a/guix-build-coordinator/coordinator.scm
+++ b/guix-build-coordinator/coordinator.scm
@@ -465,22 +465,6 @@
                "warning: chunked request channel delayed by ~1,2f seconds~%"
                seconds-delayed)))))
 
-
-        (substitutes-channel
-         (make-worker-thread-channel
-          (const '())
-          #:name "substitutes"
-          #:parallelism 16
-          #:delay-logger
-          (lambda (seconds-delayed)
-            (log-delay "substitute channel"
-                       seconds-delayed)
-            (when (> seconds-delayed 0.1)
-              (format
-               (current-error-port)
-               "warning: substitutes channel delayed by ~1,2f seconds~%"
-               seconds-delayed)))))
-
         (output-hash-channel
          (make-output-hash-channel
           build-coordinator)))
@@ -553,8 +537,7 @@
              secret-key-base
              (uri-host client-communication-uri)
              (uri-port client-communication-uri)
-             build-coordinator
-             substitutes-channel)
+             build-coordinator)
 
             (wait finished?))
           #:hz 10
-- 
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