diff --git a/logging/config/cluster-logging-log-store.adoc b/logging/config/cluster-logging-log-store.adoc index c69c1c475ac8..d07019945335 100644 --- a/logging/config/cluster-logging-log-store.adoc +++ b/logging/config/cluster-logging-log-store.adoc @@ -46,6 +46,8 @@ include::modules/cluster-logging-logstore-limits.adoc[leveloffset=+1] include::modules/cluster-logging-elasticsearch-ha.adoc[leveloffset=+1] +include::modules/cluster-logging-elasticsearch-scaledown.adoc[leveloffset=+1] + include::modules/cluster-logging-elasticsearch-storage.adoc[leveloffset=+1] include::modules/cluster-logging-elasticsearch-persistent-storage-empty.adoc[leveloffset=+1] diff --git a/modules/cluster-logging-elasticsearch-scaledown.adoc b/modules/cluster-logging-elasticsearch-scaledown.adoc new file mode 100644 index 000000000000..056307831eda --- /dev/null +++ b/modules/cluster-logging-elasticsearch-scaledown.adoc @@ -0,0 +1,16 @@ +// Module included in the following assemblies: +// +// * logging/cluster-logging-log-store.adoc + +[id="cluster-logging-elasticsearch-scaledown_{context}"] += Scaling down Elasticsearch pods + +Reducing the number of Elasticsearch pod in your cluster can result in data loss or Elasticsearch performance degradation. + +If you scale down, you should scale down by one pod at a time and allow the cluster to re-balance the shards and replicas. After the Elasticsearch health status returns to `green`, you can scale down by another pod. + +[NOTE] +==== +If your Elasticsearch cluster is set to `ZeroRedundancy`, you should not scale down your Elasticsearch pods. +==== +