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

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:

• Adobe Commerce or Magento Open Source on-premises: Software Update Guide > Apply Patches in our developer documentation.
• Adobe Commerce on cloud infrastructure: Upgrades and Patches > Apply Patches in our developer documentation.

Related reading

To learn more about Quality Patches Tool, refer to:

• Quality Patches Tool released: a new tool to self-serve quality patches in our support knowledge base.
• Check if patch is available for your Adobe Commerce issue using Quality Patches Tool in our support knowledge base.

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