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Runbooks

Elastic Nodes Disk Space Saturation

disk saturation dashboard

source

Get cluster health

Section titled “Get cluster health”

Using the dev console or the API Console get the health of the cluster.

GET _cluster/health

example of cluster health

Check each value and see if this gives you an indication that something is wrong with the cluster.

Unassigned shards

Section titled “Unassigned shards”

If the cluster health indicates that there is a number of unassigned shards, this can lead up to the hot nodes disk being filled up because ILM is not able to roll over indencies properly.

Using the dev console or the API Console get an overview ilm.

Find which lifecycle an index is using

Section titled “Find which lifecycle an index is using”

Previous Incidents

Section titled “Previous Incidents”