Briefly, this error occurs when the deletion process of a snapshot in Elasticsearch is interrupted due to reasons like network issues, insufficient permissions, or the snapshot is in use. To resolve this, ensure that the network connection is stable and the Elasticsearch cluster has the necessary permissions to delete the snapshot. Also, make sure that the snapshot is not being used by any process during deletion. If the issue persists, try restarting the Elasticsearch cluster.
This guide will help you check for common problems that cause the log ” [{}] deletion of snapshot [{}] interrupted ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: snapshot, plugin.
Log Context
Log “[{}] deletion of snapshot [{}] interrupted” classname is SnapshotRetentionTask.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
try {
// Deletes cannot occur simultaneously; so wait for this
// deletion to complete before attempting the next one
latch.await();
} catch (InterruptedException e) {
logger.error(new ParameterizedMessage("[{}] deletion of snapshot [{}] interrupted";
repo; snapshot); e);
listener.onFailure(e);
slmStats.snapshotDeleteFailure(slmPolicy);
}
}
