Bug 763501 (GLUSTER-1769)

Summary: Add vfs cache pressure and swappiness options through sysctl
Product: [Retired] GlusterSP Reporter: Harshavardhana <fharshav>
Component: coreAssignee: Harshavardhana <fharshav>
Status: CLOSED CURRENTRELEASE QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: 3.1.0CC: cww, platform
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Hardware: All   
OS: Linux   
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Description Harshavardhana 2010-10-02 01:38:27 UTC
vm.swappiness set to zero needed for large memory systems to not outrun into swap. 

vm.vfs_cache_pressure to 10000 for retaining page cache than inode cache, leading to large performance drop due to excessive inode cached in ram.