What is the purpose of /proc/sys/vm/drop_caches in Red Hat Enterprise Linux?
Issue
- What's the purpose of
/proc/sys/vm/drop_cachesin Red Hat Enterprise Linux? - How to release cache memory using /proc/sys/vm/drop_caches?
- New process cannot be started due to insufficient free memory, how to free additional memory?
- Inactive memory not being released, how to free memory?
Environment
- Red Hat Enterprise Linux (RHEL) version 4 Update 6 or later
- Red Hat Enterprise Linux Server 5
- Red Hat Enterprise Linux Server 6
- Red Hat Enterprise Linux Server 7
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