What is the maximum number of documents an index can hold?


I am currently working on indexing searchable items from MS SQL to Elasticsearch. Currently there are over 20 million records which needs to be pushed to ES which constitutes to 20 millions documents in ES index.

The record count will keep increasing and we have a projection rate of 7 Million documents / year. The query is that, how many documents can a single index hold and is there a hard limit imposed by ES to limit document count.

Please clarify the query.


Elasticsearch max number of documents for one index is still the limit on that :slight_smile:

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There is a limit per shard (2billion) but this is not the limit for an index as an index can have multiple shards.

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