MDVA-34948: Slowing of website

Affected products and versions

The patch is created for Adobe Commerce version:

  • Adobe Commerce on our cloud infrastructure 2.4.0-p1

Compatible with Adobe Commerce versions:

  • Adobe Commerce on-premises and Adobe Commerce on our cloud infrastructure 2.3.6-2.3.6-p1, 2.4.0-2.4.0-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

The website gets slow, which hampers operations.

Steps to reproduce:

  1. Run show processlist in MySQL.
  2. Check if there are multiple queries like:
   SELECT GET_LOCK(SYSTEM_CONFIG', '10');

Expected results:

GET_LOCK should be executed immediately.

Actual results:

Multiple GET_LOCK queries get stuck for up to 10 seconds each.

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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