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I’m working with MongoDB on a 32bits CentOS VPS with 1GB of internal memory.
It works fine most of the time, but every now and then it’s memory usage spikes and crashes my server.
Is there a way to prevent this, for example, by limiting the memory and CPU that MongoDB daemon uses?
I was thinking of running the Mongo daemon with ionice and giving it a low priority, but I’m not sure if that would work.
Any help or pointers are welcome!
It is not currently possible to limit amount of memory. MongoDB uses memory-mapped file mechanism to access data files. Therefore, amount of used memory is governed by the system. The more data you touch, the more RAM you need.