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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.
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-"" +
Find & fix Elasticsearch problems
