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How many shards are recommended 3TB index with 15 million documents?

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praveengadugin1 (praveen gadugin) July 29, 2019, 9:28pm 1

I am trying reindex my old index. Present Index size is 3 TB with 18 shards for 15 million documents. What is the recommended number of shards for good performance( recovery speed, query speed, reindex speed etc)

system (system) Closed August 26, 2019, 9:28pm 2

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