Hello @[skyxing],
You can be running out of RAM making MySQL crash and causing the DB Connection Error.
What are your VPS Specs?
Please post more information regarding your MySQL, verify if the MySQL Server is not crashing and post the crash logs if it is crashing.
Regarding WordPress, if your theme is requesting 256mb of memory... it can be easily the cause of running out of RAM (you say you have more WP sites).
Also, check this thread: http://forums.sentora.org/showthread.php...ight=mysql
You can be running out of RAM making MySQL crash and causing the DB Connection Error.
What are your VPS Specs?
Please post more information regarding your MySQL, verify if the MySQL Server is not crashing and post the crash logs if it is crashing.
Regarding WordPress, if your theme is requesting 256mb of memory... it can be easily the cause of running out of RAM (you say you have more WP sites).
Also, check this thread: http://forums.sentora.org/showthread.php...ight=mysql
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