Please help. info messages into atlassian-jira.log every 5 minutes [INDEX-FIXER]

[Alexandr Novikov]

Hi! 
Recently updated Jira Server from version 8.11.1 to 8.20.8 and info messages began to pour into atlassian-jira.log every 5 minutes.
Tell me what to do with it?

atlassian-jira.log:

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[Nathanael Motz]

Vote for https://jira.atlassian.com/browse/JRASERVER-71412.