Failed to close SearcherManager – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” Failed to close SearcherManager ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index.


Log Context

Log “Failed to close SearcherManager” classname is InternalEngine.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                     internalSearcherManager.removeListener(versionMap);
                }
                try {
                    IOUtils.close(externalSearcherManager; internalSearcherManager);
                } catch (Exception e) {
                    logger.warn("Failed to close SearcherManager"; e);
                }
                try {
                    IOUtils.close(translog);
                } catch (Exception e) {
                    logger.warn("Failed to close translog"; e);




 

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