From ee4d71362d092943da3d38bbff5956d785c6b758 Mon Sep 17 00:00:00 2001
From: Valery Kharseko <vharseko@3a-systems.ru>
Date: Thu, 01 Oct 2026 13:42:47 +0000
Subject: [PATCH] [#1144] Widen the ephemeral port range before the benchmark runs (#1145)
---
.github/workflows/benchmark.yml | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 58efae2..85cf736 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -94,6 +94,15 @@
fi
echo "JMETER_BIN=$HOME/jmeter/apache-jmeter-$JMETER/bin/jmeter" >> "$GITHUB_ENV"
+ - name: Widen the ephemeral port range
+ run: |
+ # BIND opens a new connection per iteration, and docker-proxy relays each one to the
+ # container over a second connection from an ephemeral port. With the default range
+ # (32768-60999) and 60 s of TIME_WAIT that leg runs out of ports within a minute, and
+ # BIND then fails with "LDAP connection has been closed". Widen the range and let
+ # connect() reuse TIME_WAIT ports.
+ sudo sysctl -w net.ipv4.ip_local_port_range="1024 65535" net.ipv4.tcp_tw_reuse=1
+
- name: Start OpenLDAP
run: |
docker run -d --name openldap -p 2389:389 \
--
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