diff --git a/docs/reference/modules/node.asciidoc b/docs/reference/modules/node.asciidoc index 2f1caa42ad8..924300e33bf 100644 --- a/docs/reference/modules/node.asciidoc +++ b/docs/reference/modules/node.asciidoc @@ -82,6 +82,9 @@ cluster health to have a stable master node. Any master-eligible node (all nodes by default) may be elected to become the master node by the <>. +IMPORTANT: Master nodes must still access to the `data/` directory (just like +`data` nodes) as this is where the cluster state is persisted between node restarts. + Indexing and searching your data is CPU-, memory-, and I/O-intensive work which can put pressure on a node's resources. To ensure that your master node is stable and not under pressure, it is a good idea in a bigger