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Docs: revised node requirements re: direct I/O support

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troymc 2016-06-15 12:14:34 +02:00
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docs/source/nodes/node-requirements.md
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@ -38,7 +38,7 @@ Also, RethinkDB tables can have [at most 64 shards](https://rethinkdb.com/limita
RethinkDB has [issues with `btrfs`](https://github.com/rethinkdb/rethinkdb/issues/2781) (B-tree file system). RethinkDB has [issues with `btrfs`](https://github.com/rethinkdb/rethinkdb/issues/2781) (B-tree file system).
If you want to use RethinkDB's `--direct-io` command-line option, then you need a file system which supports that. (Many compressed or encrypted file systems do not.) It's best to have a file system that supports Direct I/O, because that will improve RethinkDB performance. Many compressed or encrypted file systems don't support Direct I/O.
## CPU Requirements ## CPU Requirements