<commit_before># Supported Mongo Versions

Rocket.Chat currently requires MongoDB from version 2.3 and onwards.

## Supported Storage Engines

The Storage engine required for Rocket.Chat is [MMAPv1](https://docs.mongodb.com/manual/core/mmapv1/).<commit_msg>Add more details<commit_after># Supported Mongo Versions

Rocket.Chat currently requires MongoDB from version 3.0 and higher. We recommend using version 3.4.5.

## Supported Storage Engines

The Storage engine required for Rocket.Chat is [MMAPv1](https://docs.mongodb.com/manual/core/mmapv1/).

We are currently testing [WiredTiger](http://www.wiredtiger.com/) for better performance with larger servers, but for now you should stick to MMAPv1 for large installs.
{'fraction_non_alphanumeric': 0.0875, 'fraction_numerical': 0.016666666666666666, 'mean_word_length': 5.008333333333334, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 2, 'lorem ipsum': 0, 'www.': 1, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '6957792', 'n_tokens_mistral': 225, 'n_tokens_neox': 212, 'n_words': 76}