MDVA-31307: Out of memory on certain categories

The MDVA-31307 patch fixes the issue where Magento\_Csp/Model/BlockCache consumes a lot of memory and generates enormous cached strings, which causes problems for certain pages with a lot of dynamically whitelisting scripts and styles. The provided patch optimizes this process. This patch is available when the Quality Patches Tool (QPT) 1.0.19 is installed. The patch ID is MDVA-31307. Please note that the issue is fixed in Adobe Commerce 2.4.2.

Affected products and versions

The patch is created for Adobe Commerce version: Adobe Commerce on cloud infrastructure 2.4.0

Compatible with Adobe Commerce versions: Adobe Commerce on-premises and Adobe Commerce on cloud infrastructure 2.4.0 - 2.4.1-p1

NOTE

The patch might become applicable to other versions with new Quality Patches Tool releases. To check if the patch is compatible with your Adobe Commerce version, update the magento/quality-patches package to the latest version and check the compatibility on the Quality Patches Tool: Search for patches page. Use the patch ID as a search keyword to locate the patch.

Issue

Fixes the issue where there are Out of memory errors on certain categories due to problems with dynamic CSP whitelisting for cached blocks.

Steps to reproduce:

  1. Generate small profile fixtures (bin/magento setup:performance:generate-fixtures).
  2. Open all category pages in different tabs.

Actual result:

[date and time] PHP Fatal error: Allowed memory size of 1073741824 bytes exhausted (tried to allocate 90112 bytes) in Unknown on line 0
[date and time] PHP Fatal error: Allowed memory size of 1073741824 bytes exhausted (tried to allocate 33554440 bytes) in /app/<project-id>/vendor/magento/module-csp/Model/Collector/DynamicCollector.php on line 31

Expected result:

All the pages have opened correctly.

Apply the patch

To apply individual patches, use the following links depending on your deployment method:

To learn more about Quality Patches Tool, refer to:

For info about other patches available in QPT, refer to the Patches available in QPT section.

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