From 29f9c0d09e84728648848eb0be67e151482d7cb2 Mon Sep 17 00:00:00 2001
From: Sebastian Jambor <seb.jambor@gmail.com>
Date: Tue, 18 Apr 2023 22:09:59 +0200
Subject: [PATCH] increase size of connection pool

---
 config/database.yml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/config/database.yml b/config/database.yml
index 34acf2f19..7216e44dd 100644
--- a/config/database.yml
+++ b/config/database.yml
@@ -1,6 +1,9 @@
 default: &default
   adapter: postgresql
-  pool: <%= ENV["DB_POOL"] || ENV['MAX_THREADS'] || 5 %>
+  # The db pool must contain at least one more connection than the number of threads.
+  # Each thread uses its own connection, and we need an additional connection used
+  # by the ActivityLogAudienceHelper
+  pool: <%= ENV["DB_POOL"] || ENV.fetch('MAX_THREADS', 5).to_i + 1 %>
   timeout: 5000
   connect_timeout: 15
   encoding: unicode