It is per index so look at index stats.
No, but if you have multiple segments it may be possible only a few are merged at a time and this will require less additional storage required for the merge, e.g. less that double the index size.
It is per index so look at index stats.
No, but if you have multiple segments it may be possible only a few are merged at a time and this will require less additional storage required for the merge, e.g. less that double the index size.
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