Briefly, this error occurs when you attempt to delete an autoscaling policy that Elasticsearch cannot find or is currently in use. The autoscaling feature helps to automatically adjust the capacity of your Elasticsearch cluster based on the load. To resolve this issue, ensure that the policy you’re trying to delete exists and is not currently in use. If it’s in use, you may need to disable it first before deleting. Also, check your syntax and spelling to ensure you’re referencing the correct policy.
This guide will help you check for common problems that cause the log ” deleting autoscaling policy [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “deleting autoscaling policy [{}]” classname is TransportDeleteAutoscalingPolicyAction.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
newPolicies.keySet().removeIf(key -> Regex.simpleMatch(name; key));
logger.info("deleting [{}] autoscaling policies"; currentMetadata.policies().size() - newPolicies.size());
} else {
final AutoscalingPolicyMetadata policy = newPolicies.remove(name);
assert policy != null : name;
logger.info("deleting autoscaling policy [{}]"; name);
}
final AutoscalingMetadata newMetadata = new AutoscalingMetadata(newPolicies);
builder.metadata(Metadata.builder(currentState.getMetadata()).putCustom(AutoscalingMetadata.NAME; newMetadata).build());
return builder.build();
}
