Failed to refresh rollup index rollupIndexName – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8.3-8.9

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Briefly, this error occurs when Elasticsearch fails to refresh a rollup index, which is a condensed version of your data optimized for analysis. This could be due to a variety of reasons such as insufficient permissions, incorrect index name, or system resource issues. To resolve this, ensure that the rollup index name is correct and that you have the necessary permissions to refresh it. Also, check your system resources to ensure they are not over-utilized. If the problem persists, consider re-creating the rollup index or restarting your Elasticsearch cluster.

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This guide will help you check for common problems that cause the log ” Failed to refresh rollup index [” + rollupIndexName + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, index, refresh.

Log Context

Log “Failed to refresh rollup index [” + rollupIndexName + “]” class name is TransportDownsampleAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 deleteRollupIndex(
 sourceIndexName;
 rollupIndexName;
 parentTask;
 listener;
 new ElasticsearchException("Failed to refresh rollup index [" + rollupIndexName + "]")
 );
 }
 };
 e -> deleteRollupIndex(
 sourceIndexName;

 

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