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-rw-r--r--examples/public-inbox-netd@.service5
1 files changed, 4 insertions, 1 deletions
diff --git a/examples/public-inbox-netd@.service b/examples/public-inbox-netd@.service
index 83d2e995..7437f086 100644
--- a/examples/public-inbox-netd@.service
+++ b/examples/public-inbox-netd@.service
@@ -12,8 +12,11 @@ Wants = public-inbox-netd.socket
 After = public-inbox-netd.socket
 
 [Service]
-# An LD_PRELOAD for libjemalloc can be added here.  It currently seems
+# An LD_PRELOAD for libjemalloc can be added here.  It is
 # more resistant to fragmentation in long-lived daemons than glibc.
+# If you're unable to use jemalloc, setting MALLOC_MMAP_THRESHOLD_
+# to a lower value (e.g. 131072) but that may also require increasing
+# the sys.vm.max_map_count sysctl.
 Environment = PI_CONFIG=/home/pi/.public-inbox/config \
 PATH=/usr/local/bin:/usr/bin:/bin \
 TZ=UTC \