No one's arguing that disk paging is high-performance. In fact, MongoDB themselv... | Hacker News

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		mcgwiz on Oct 5, 2013 \| parent \| context \| favorite \| on: MongoDB Raises $150 Million at $1.2 Billion Valuat... No one's arguing that disk paging is high-performance. In fact, MongoDB themselves explicitly recommend that you keep your working set size below physical memory size.

nasalgoat on Oct 6, 2013 [–]

Our data is 1/10th of available memory and MongoDB still pages back and forth to disk constantly.

This is what happens when you rely on the OS to handle paging.

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