Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.
This guide will help you check for common problems that cause the log ” Value for setting is too low. This can result in data loss! Please set it to at least a quorum of master- ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: discovery-azure-classic and elect.
Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.
Log Context
Log “Value for setting {} is too low. This can result in data loss! Please set it to at least a quorum of master-” classname is ElectMasterService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
public void logMinimumMasterNodesWarningIfNecessary(ClusterState oldState; ClusterState newState) {
// check if min_master_nodes setting is too low and log warning
if (hasTooManyMasterNodes(oldState.nodes()) == false && hasTooManyMasterNodes(newState.nodes())) {
logger.warn("value for setting \"{}\"" is too low. This can result in data loss! Please set it to at least a quorum of master-"" +
Try AutoOps to detect and fix issues in your cluster:
