How to store different index on different storage device?

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1

Hi there,
How can I store different index on the different storage device?

I want to storage hot indices to an SSD device and cold ones to a Spinning disk.

How can I achieve this?

2

You will need to have separate hot and cold nodes.

3

I only have three nodes and each have their own purpose and can't afford another one just for storing cold indices. Is there any other way by configuring it differently?

4

Not as far as I know. You can not control under which path aim index/shard is stored within a node. You can however have a single zone and freeze older indices on these.

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