Briefly, this error occurs when the Elasticsearch prewarming process is interrupted. Prewarming is a process that loads frequently accessed data into cache to improve search performance. Interruptions could be due to system issues, resource constraints, or abrupt shutdowns. To resolve this, you can try restarting Elasticsearch, ensuring there are sufficient system resources, or checking for any underlying system issues that may be causing the interruption. If the problem persists, consider reviewing your prewarming settings or disabling prewarming if it’s not necessary for your use case.
This guide will help you check for common problems that cause the log ” {} prewarming worker has been interrupted ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “{} prewarming worker has been interrupted” classname is SearchableSnapshotDirectory.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
return;
}
executor.execute(ActionRunnable.run(ActionListener.runAfter(next.v1(); () -> prewarmNext(executor; queue)); next.v2()));
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
logger.warn(() -> new ParameterizedMessage("{} prewarming worker has been interrupted"; shardId); e);
}
}
public static Directory create(
RepositoriesService repositories;
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