[DOCS] Document index alias swaps are atomic (#55418) (#57209)

Co-authored-by: Tugberk Ugurlu <tugberk@outlook.com>
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James Rodewig 2020-05-27 10:23:51 -04:00 committed by GitHub
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@ -258,7 +258,9 @@ indices that match this pattern are added/removed.
It is an error to index to an alias which points to more than one index. It is an error to index to an alias which points to more than one index.
It is also possible to swap an index with an alias in one operation: It is also possible to swap an index with an alias in one, atomic operation.
This means there will be no period of downtime where the alias points to no
index.
[source,console] [source,console]
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