Log Shadow replica failed to close searcher manager – How To Solve Related Issues

Log Shadow replica failed to close searcher manager – How To Solve Related Issues

Updated: Feb-20

Elasticsearch Version: 1.7-8.0

Background

To resolve issues causing many log errors you can try our Elasticsearch Check-Up it analyses ES configuration to provide actionable recommendations (no installation required) 


To troubleshoot log “Shadow replica failed to close searcher manager” it’s important to understand a few problems related to Elasticsearch concepts index. See bellow important tips and explanations on these concepts

Log Context

Log”shadow replica failed to close searcher manager” classname is ShadowEngine.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

         if (isClosed.compareAndSet(false; true)) {
            try {
                logger.debug("shadow replica close searcher manager refCount: {}"; store.refCount());
                IOUtils.close(searcherManager);
            } catch (Throwable t) {
                logger.warn("shadow replica failed to close searcher manager"; t);
            } finally {
                store.decRef();
            }
        }
    }




Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Github Issue Number 10637  

Github Issue Number 42979  

 

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