4 ms·
Actually, it's a really poor in-memory cache, since it pages back and forth to disk constantly.
by nasalgoat 13y ago
Actually, it's a really poor in-memory cache, since it pages back and forth to disk constantly.
- mcgwiz 13y agoNo 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 13y agoOur 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.