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Trying to get to the bottom of an out of memory error related to the database

I’ve inherited a highly problematic site built in Drupal 7. Upon installing the site on my dev space I get a ‘This page isn’t working’ error 500. Looking at the web logs I get this message:

lmu.[sitename].co.uk [Sat Apr 23 15:39:03 2022] [error] [client 86.174.32.32:0] AH01215: PHP Fatal error: Out of memory (allocated 56098816) (tried to allocate 459743 bytes) in /home/sites/[sitename].co.uk/public_html/lmu/includes/database/database.inc on line 2324: /home/sites/[sitename].co.uk/public_html/lmu/index.php

The memory_limit was 128M and is now 512M but I get exactly the same error with the same numbers etc.

Is this to do with something contained within the DB?

This article was republished from its original source.
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Trying to get to the bottom of an out of memory error related to the database

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