Setting must be multiple of – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.12-8.9

Briefly, this error occurs when a setting in Elasticsearch is not a multiple of a specified value. This is often seen in settings related to memory allocation or shard sizes. The error message indicates that the current setting does not meet the required multiple. To resolve this issue, you can adjust the setting to be a multiple of the specified value. Alternatively, you can review your configuration to ensure that the setting is appropriate for your use case. If the error persists, consider seeking advice from an Elasticsearch expert to ensure optimal configuration.

This guide will help you check for common problems that cause the log ” setting [{}] must be multiple of {} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “setting [{}] must be multiple of {}” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 return value -> {
 if (value.getBytes() == -1) {
 throw new SettingsException("setting [{}] must be non-negative"; settingName);
 if (value.getBytes() % SharedBytes.PAGE_SIZE != 0L) {
 throw new SettingsException("setting [{}] must be multiple of {}"; settingName; SharedBytes.PAGE_SIZE);
 }  private static Setting.Validator getPositivePageSizeAlignedByteSizeValueValidator(String settingName) {


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