Unable to resize temp rollup index tmpIndexName – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.12-8.2

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Briefly, this error occurs when Elasticsearch fails to resize a temporary rollup index. This could be due to insufficient disk space, incorrect permissions, or a configuration issue. To resolve this, ensure there’s enough disk space and the user running Elasticsearch has the necessary permissions. Also, check the index settings and mappings to ensure they are correctly configured. If the issue persists, consider deleting and recreating the temporary rollup index.

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

Log Context

Log “Unable to resize temp rollup index [” + tmpIndexName + “]” class name is TransportRollupAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } else {
 new ElasticsearchException("Unable to resize temp rollup index [" + tmpIndexName + "]")
 }; e -> deleteTmpIndex(originalIndexName; tmpIndexName; listener; e)));
 } else {


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