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Actually, MongoDB does leave memory management to the kernel by using MMAP to access data files. Most kernels will allocate a lot of memory to the disk cache, w
by mathias_10gen 16y ago
Actually, MongoDB does leave memory management to the kernel by using MMAP to access data files. Most kernels will allocate a lot of memory to the disk cache, which can make it look like mongo is eating all of your ram.
- wanderr 16y agoThis. It's one of the brilliant things about mongo. The downside is that after a reboot it's up to you to get the OS to warm those caches back up.