Couchbase Interview Questions Interview Questions

[Interview Question] – What are Swap space and swappiness in Couchbase ? and when it will be used ?

Answer:

  • 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).

Check more about Swap space


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