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MDVA-38852: Catalog inventory locks tables which decreases performance
The MDVA-38852 patch solves the issue where the catalog inventory locks tables for updates which significantly decreases performance when several parallel orders are placed. This patch is available when the Quality Patches Tool (QPT) 1.1.2 is installed. The patch ID is MDVA-38852. Please note that the issue was fixed in Adobe Commerce 2.3.6.
Affected products and versions
The patch is created for Adobe Commerce version:
- Adobe Commerce (all deployment methods) 2.3.3
Compatible with Adobe Commerce versions:
- Adobe Commerce (all deployment methods) 2.3.0 - 2.3.5-p2
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 [!DNL Quality Patches Tool]: Search for patches page. Use the patch ID as a search keyword to locate the patch.
Issue
Catalog inventory locks tables for updates which significantly decreases performance in cases when several parallel orders are placed.
Steps to reproduce:
- Add a product to the cart.
- Proceed to checkout and try to place an order.
Expected results:
- There is no deadlocks.
- Performance is not decreased in cases when several parallel orders are placed.
Actual results:
- Placing an order is extremely slow when there are multiple concurrent users.
- Deadlock errors occur which look like the following:
"SQLSTATE[40001]: Serialization failure: 1213 Deadlock found when trying to get lock; try restarting transaction, query was:
INSERT INTO `quote_payment` (`quote_id`, `method`, `additional_information`) VALUES (?, ?, ?)"
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 Patches available in QPT in our developer documentation.