How can I update index with zero downtime within the same cluster? Say I Just want to update a subset of docs and partial fields. What's the safest way and efficient way of doing this without interrupting the running application?
In addition, is there any limit of disk size for one cluster to index documents?
I don't quite get what you are asking. Indexing those documents with updated information shouldn't interrupt your ability to search. What kind of problem are you experiencing?
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