U4-11610 - Failed (10 times) to retrieve medias from Examine index and had to load them from DB. This may indicate that the Examine index is corrupted.

Created by Peter Bridger 31 Aug 2018, 10:00:15 Updated by Sebastiaan Janssen 05 Sep 2018, 10:16:14

Duplicates: U4-11315

Architecture

• Multi-site (Running 8 separate domains)
• Umbraco 7.10.4
• Hosted in AWS using flexible load balancing
• Dedicated master server for editing
• All public facing servers set as slaves.
• Media and forms are being held in S3.
• Log files are shipped to a central store.

All web servers have the following message appear in their logs daily:

Failed (10 times) to retrieve medias from Examine index and had to load them from DB. This may indicate that the Examine index is corrupted.

Running the data integrity health check shows everything is OK (Screenshot attached)

Using the CMS back-office search for content and media does return results.

However we've also noticed that some expected content isn't returned this way, unless the internal search index is manually rebuilt using the CMS back-office tool.

As we're running on AWS rather than Azure, we've not made any changes to ExamineSettings.config (like changing the useTempStorage to sync, as is needed for Azure)

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