You can index any number of textual, numeric, and boolean attributes per record. However, if you have over 64 searchable attributes, the ones coming in 65th place and above are considered equal for ranking purposes (concerning the attribute criterion).
There is no limit on how many facets you can have in an index.
When batching objects to perform large-scale indexing operations, for example, with the
addObjects method, you should keep the batch size small. We strongly recommend keeping your batches below 10 MB. There’s a hard limit of 1 GB per request.
The Standard and Premium plans include a total of 10,000 synonyms per index.
There are soft limits on the number of allowed alternatives (how large your sets of synonyms can be). Soft limit means that, instead of returning an error, the API discards anything beyond the limit.
These limits vary based on the synonym’s type:
- 100 alternatives for one-way synonyms and alternative corrections.
- 20 alternatives for regular synonyms.
- 10,000 alternatives for synonym placeholders.
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