Adds an existing index as a backing index for a data stream.
The index is hidden as part of this operation.
WARNING: Adding indices with the add_backing_index action can potentially result in improper data stream behavior.
This should be considered an expert level API.
data_streamstringrequired
Data stream targeted by the action.
indexstringrequired
Index for the action.
remove_backing_indexobject
Removes a backing index from a data stream.
The index is unhidden as part of this operation.
A data stream’s write index cannot be removed.