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nasalgoat
on Oct 4, 2013
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MongoDB Raises $150 Million at $1.2 Billion Valuat...
Actually, it's a really poor in-memory cache, since it pages back and forth to disk constantly.
mcgwiz
on Oct 5, 2013
[–]
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
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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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