From 2510e6522168c5bf1c95c0effb4f2eb66d6ff5a8 Mon Sep 17 00:00:00 2001
From: Kevin Jilissen <info@kevinjilissen.nl>
Date: Tue, 8 Oct 2024 22:21:40 +0200
Subject: [PATCH] Configure the Apache FastCGI proxy module to flush

---
 etc/apache.conf.in | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/etc/apache.conf.in b/etc/apache.conf.in
index 37c41125e8..e9d5c9fe7f 100644
--- a/etc/apache.conf.in
+++ b/etc/apache.conf.in
@@ -99,6 +99,17 @@ RewriteRule Makefile$ - [F]
     RewriteEngine Off
 </Directory>
 
+<IfModule proxy_fcgi_module>
+    # Configure the Apache FastCGI proxy module to flush chunks of data after
+    # 500ms even if the buffer is not full. This prevents delayed events and
+    # half-flushed event objects in a streaming event feed.
+    # Related: https://svn.apache.org/viewvc?view=revision&revision=1802040
+    <Proxy "fcgi://localhost">
+        ProxySet flushpackets=auto
+        ProxySet flushwait=500
+    </Proxy>
+</IfModule>
+
 # When running a proxy or loadbalancer in front of this apache instance,
 # you can use these directives to trust the proxy / loadbalancer and let
 # this apache instance use the correct client IP. Note that if you use a