Shulou(Shulou.com)06/01 Report--

1. Hugepage

11g AMM is not compatible with HugePages, but you can use ASMM

Benefits:

No memory page swapping is required

Relieve the pressure of the fast meter

Lighten the load on the paging table

Configuration

1 set memlock

/ etc/security/limits.conf

If the physical memory is 64GB, you can set it as follows:

* soft memlock 60397977

* hard memlock 60397977

DB memory

/ sys/kernel/mm/transparent_hugepage/enabled

Fi

If test-f / sys/kernel/mm/transparent_hugepage/defrag;then

Echo never > / sys/kernel/mm/transparent_hugepage/defrag

Fi

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