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Human readable tabular cluster health with headers
Example uses basic HTTP syntax. Any <#> in the example should be removed when copying it.
We can use the _cat APIs to get a human readable, tabular output for various reasons.
The ?v is optional, but it implies that you want "verbose" output.
_cat/health has existed since Elasticsearch 1.x, but here is an example of its output from Elasticsearch 5.x: