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Appendix E. Kernel Parameters (98-oracle-kernel.conf)
vm.swappiness = 1 vm.dirty_background_ratio = 3 vm.dirty_ratio = 80 vm.dirty_expire_centisecs = 500 vm.dirty_writeback_centisecs = 100 kernel.sem = 250 32000 100 128 fs.aio-max-nr = 1048576 net.ipv4.ip_local_port_range = 9000 65500 net.core.rmem_default = 262144 net.core.rmem_max = 4194304 net.core.wmem_default = 262144 net.core.wmem_max = 1048576 #NOTE: These are just starting values and are not a "one-size fits all" solution.
Note
The following parameters have been removed as the default value is equal or higher than the suggested recommendation by Oracle. Included in the list are:
-
kernel.shmmax -
kernel.shmall -
kernel.shmmni -
fs.file-max -
kernel.panic_on_oops

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