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To Reset the Cache Limits back to Default, you will have to Press Edit and then select Apply all Defaults. Note: This would still require a Rolling Cluster Restart to apply.
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Error Banner - The JEMH Limits cache section has changed. Cluster restart is required to apply.
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When the Cache limits are modified it will result in the above banner being shown to highlight that not all of the Cluster nodes have been restarted yet and are currently not using the new Cache limits. To resolve this you would need to restart each node so that they have the new Cache Limits.
You can view the cluster nodes that require a restart by going to JEMH > Limits and then viewing the Clustering section as this will show all of the configured nodes and will identify which nodes require a Reboot: e.g. below shows that node2 needs a reboot.
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