让 mongoDB 在 OpenVZ 上运行

Get mongoDB working on OpenVZ without out of memory problem
check virtual memory limit

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ulimit -a | egrep virtual\|openopen files (-n) 1024virtual memory (kbytes, -v) unlimited

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set virtual memory limit to 1.2GB or 1.4GB (total memory 2GB)

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ulimit -v 1200000