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This article discusses the “Unable to allocate memory for pool” error message in PHP.

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Problem

When you try to view a page running PHP, you receive the following error message:

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Resolution

To resolve this problem, our Support team must adjust APC (Alternative PHP Cache) configuration settings for your account. Please open a support ticket at https://my.hosting.com. In the ticket, please provide the complete text of the error message you receive, as well as a reference to this Knowledge Base article.

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More information

For more information about APC, please visit https://www.php.net/manual/en/book.apcu.php.