When save system section customer with a lot of customers it return error 500

[lionalex]

Preconditions and environment

• Magento version: 2.4.7-p3
• You must have a lot of customers (200k for example)

Steps to reproduce

1. Have a lot of customers, for example more than 200k
2. Goes tu STORES > CONFIGURATION > CUSTOMERS > CUSTOMER CONFIGURATION
3. Save, also without change any field

Expected result

The pages reloaded with success message and the field saved.

Actual result

Error 500 for pending process for a lot of time on server.

Additional information

When save the system configuration start reindex customer grid that append the web process and after 120seconds give error 500. When reload the page, the field are changed, but the process give error and the reindex of customer grid was incomplete

Release note

No response

Triage and priority

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

Hi @lionalex. Thank you for your report.
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[m2-assistant]

Hi @engcom-Bravo. Thank you for working on this issue.
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