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Search & Navigation: Possible issues with UseLocalQueue=true across mulltiple instances
Hi folks,
One of our sites in an Azure app service is scaled out to run on 2 instances, and we rely on an index to populate a news feed on the home page of other page types.
What we've been consistently seeing is published articles not showing in the feed. Investigating using the BVNetwork: Inspect In Index tool showed that often these pages still had a Status of 2 (CheckedOut) even after publish.
I recently updated my web.config to have <episerver.find useLocalQueue="false" disableServiceQueue="true" />. So far we have not seen the issue repeat.
My theory is: A save or publish happens on one instance, adding that content to the queue (dbo.tblFindIndexQueue), and another instance often would take responsibility for re-indexing the content.
Is it possible that the second instance is using stale cached content from the content repository to index rather than pulling it fresh from the database?