From 45f1486f36831ed33700459b0493af33150f57cf Mon Sep 17 00:00:00 2001
From: Christian Aistleitner <christian@quelltextlich.at>
Date: Sun, 5 May 2013 15:05:01 +0200
Subject: [PATCH] Re-add comment why connection pooling is turned off for MySQL

The added comment was added in
fb5548efcb05473eb5788d786e08fb25c21f8aa2 but got lost during a
refactoring.

Change-Id: Iaaad17f7b9ff76555e7a2b5d4c02134d12a32013
---
 .../src/main/java/com/google/gerrit/server/schema/MySql.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/schema/MySql.java b/gerrit-server/src/main/java/com/google/gerrit/server/schema/MySql.java
index 8c46732ef8..308cec8ec6 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/schema/MySql.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/schema/MySql.java
@@ -47,6 +47,10 @@ class MySql extends BaseDataSourceType {
 
   @Override
   public boolean usePool() {
+    // MySQL has given us trouble with the connection pool,
+    // sometimes the backend disconnects and the pool winds
+    // up with a stale connection. Fortunately opening up
+    // a new MySQL connection is usually very fast.
     return false;
   }
 }
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