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HI, I have a machine with 32GB memory. After I start NFS server on that machine, 95% memory eventually will be consumed by NFS. Is there any way I can set cache limit for NFS, such as 5GB, so that I can save the rest of memory for other usage.
Short answer - no. But then again, you don't need to.
Disk Cache usage is "ephemeral" - some (other) application wants the memory, cache is released to accommodate.
When the gentoo sites come back up, have a read of this. You might want to play with swappiness - but if it's a production server, you might not.
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how to set memory cache limit for nfs server
