is ILM need multiple index with date or single index ?
example index tes-2019-07-02 or tes.
an ILM policy can be configured at any index, but this mostly makes sense when you something like time based indices - indices, which change over time (in size, in number of documents, older data gets less queried, etc).
Can you elaborate about the use-case you are pursuing?
@spinscale, for apply the ILM hot,warn, cold and delete is must using different node ?
Yes, the idea is that you move data between nodes of different capacity when you change between hot/warm/cold. And you cannot do that on a single node.
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