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fix(mysql): document too many connection error #3288

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a244627
fix #2881
mickael-plassard Aug 13, 2025
d268e11
updating nitpicks and moving it to the troubleshooting page
mickael-plassard Aug 14, 2025
1906a1f
Nitpick:update connection issues titles
mickael-plassard Sep 18, 2025
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2 changes: 1 addition & 1 deletion src/_posts/databases/mysql/2000-01-01-accessing.md
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Expand Up @@ -297,4 +297,4 @@ like described [above](#using-openssh).
{:start="5"}
5. Click the **Test Connection** button at the bottom to test that everything
works as expected
6. Click the **OK** button to save the connection configuration
6. Click the **OK** button to save the connection configuration
14 changes: 13 additions & 1 deletion src/_posts/databases/mysql/2000-01-01-troubleshooting.md
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@@ -1,7 +1,7 @@
---
title: Troubleshooting Scalingo for MySQL®
nav: Troubleshooting
modified_at: 2024-04-23 12:00:00
modified_at: 2025-08-14 12:00:00
tags: databases mysql addon
index: 9
---
Expand Down Expand Up @@ -158,3 +158,15 @@ with some general steps to address them:

- Implement connection pooling to reuse database connections, reducing the
overhead of establishing a new connection for each query.

## Solving Connection Issues

### Too Many Connection Errors From

Receiving the error `Too many connection errors from 1.2.3.4:12345` means
that the MySQL router blocked the connection after multiple failed
attempts using invalid credentials.

To solve this issue, the MySQL router has to be restarted, which induces a
small downtime of less than 30 seconds. To do so, please contact our Support
team at <[email protected]> or via the integrated chat in your dashboard.