Briefly, this error occurs when the ratio value provided in an Elasticsearch operation exceeds the acceptable range of 0 to 1.0. This could be in operations like shard balancing, index settings, or cache settings. To resolve this, ensure that the ratio value you’re providing is within the acceptable range. If it’s a dynamic setting, you can update it using the Update Settings API. If it’s a static setting, you may need to restart your Elasticsearch node after adjusting the elasticsearch.yml configuration file.
This guide will help you check for common problems that cause the log ” Ratio should be in [0-1.0]; got [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “Ratio should be in [0-1.0]; got [{}]” class name is RatioValue.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
} else {
try {
double ratio = Double.parseDouble(sValue);
if (ratio < 0 || ratio > 1.0) {
throw new ElasticsearchParseException("Ratio should be in [0-1.0]; got [{}]"; ratio);
}
return new RatioValue(100.0 * Math.abs(ratio));
} catch (NumberFormatException e) {
throw new ElasticsearchParseException("Invalid ratio or percentage [{}]"; sValue);
}
[ratemypost]