Fixed database connection timeout issue. Here is the full story.
The Daily Grind, a popular restaurant with a WordPress-based online ordering system, experienced a complete ordering outage at 5:30 PM on a Friday. During their busiest time of the week, customers saw "Error establishing a database connection" when trying to place orders. The restaurant owner estimated they were losing $500+/hour in online orders and had no way to fix it themselves.
We identified the issue as a database connection pool exhaustion caused by a poorly configured ordering plugin that was not properly closing database connections. The shared hosting plan had a limit of 25 concurrent database connections, and the plugin was holding connections open indefinitely. We optimized the plugin's database connection handling, increased the connection limit with the hosting provider, and added connection pooling to prevent future exhaustion.
The ordering system was back online in 52 minutes. The restaurant processed over 150 orders that evening and saved an estimated $3,500 in revenue. We also upgraded their hosting plan to handle higher traffic and configured database monitoring alerts.
"They fixed our ordering system on a Friday night. Saved my entire weekend rush!"
The Daily Grind
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