Prequisites : Elasticdumpelasticdump
The indexes available in an Elasticsearch environment can be known as follows :
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The capacity of the ES cluster (for the source/destination end) can be checked as follows :
curl -XGET 'http://es-host:9200/_cat/allocation?v'
If, for example, the elasticsearch-data uses a PersistentVolumeClaim, the same can be edited to increase the size using edit pvc pvcname. This capacity can only be increased if the underlying storage class has AllowVolumeExpansion set to true.
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