DocumentationCommerceTools

MDVA-39605: Redis cache TTL (expiration date) has wrong value

Last update: Thu Nov 07 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

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The MDVA-39605 patch solves the issue where the Redis cache TTL (expiration date) has a wrong value. This patch is available when the Quality Patches Tool (QPT) 1.1.13 is installed. The patch ID is MDVA-39605. Please note that the issue is scheduled to be fixed in Adobe Commerce 2.4.5.

Affected products and versions

The patch is created for Adobe Commerce version:

  • Adobe Commerce (all deployment methods) 2.4.2

Compatible with Adobe Commerce versions:

  • Adobe Commerce (all deployment methods) 2.3.4 - 2.4.4
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 Redis cache TTL (expiration date) has a wrong value.

Steps to reproduce:

In order to test the fix, flush cache and open a configurable product on the storefront. Then open a terminal (console) and follow the steps below:

  1. Run the command: redis-cli.
  2. Run KEYS "*PRICE" (there should be only one key in the result, for example, zc:ti:e54_PRICE). Copy the key.
  3. Run SMEMBERS followed by the key from the previous step (for example, SMEMBERS zc:ti:e54_PRICE). Copy any key from the result (for example, e54_4E67B390D5C28FC7C3D9BB0D37AB3F7B5E576421).
  4. Run KEYS "*<key>" with the key name from the previous step to get the full key name (for example, KEYS "*e54_4E67B390D5C28FC7C3D9BB0D37AB3F7B5E576421"). There should be only one key in the result (for example, zc:k:e54_4E67B390D5C28FC7C3D9BB0D37AB3F7B5E576421). As you may notice, the full key name is simply the key name with prefix “zc:k:”. Now copy the full key name.
  5. Run HGETALL followed by the full key name from Step 4 to check the value. The value should contain serialized data of associated products of a related configurable product.
  6. Run TTL followed by the full key name from Step 4 to check whether the key has an expiration. The result should be different from -1 and -2 and should be approximately 2592000 (30 days). Although the expiration set in the code is one year, the Redis library used in Adobe Commerce has a hard max expiration limit of 2592000s.

Expected results:

Expiration limit is 2592000s

Actual results:

Expiration limit is set to -1 or -2.

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 Quality Patches Tool: Search for patches in the Quality Patches Tool guide.

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