- Swap is a space on a disk that is used when the amount of physical RAM memory is full.
- In Couchbase, If the system needs more memory resources and the RAM is full, inactive pages in memory are moved to the swap space.
- Swappiness indicates how frequently a system uses the swap space based on RAM usage. The swappiness range is from 0 to 100.
- For the optimal Couchbase Server operations, set the swappiness to 0 (zero).
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