Map configuration

This is used to configure how map data is stored within the cluster, either individual named maps or a cluster-wide default.

Maximum size and eviction

Maximum size policies include:

  • PER_NODE
  • PER_PARTITION
  • USED_HEAP_SIZE
  • USED_HEAP_PERCENTAGE
  • FREE_HEAP_SIZE
  • FREE_HEAP_PERCENTAGE

Eviction policies include:

  • LRU: Least Recently Used
  • LFU: Least Frequently Used
  • NONE
<map name="default">
 <max-size policy="PER_NODE">10</max-size>
 <eviction-policy>LFU</eviction-policy>
 <eviction-percentage>20</eviction-percentage>
</map>

config.getMapConfig("default")
 .setMaxSizeConfig(new MaxSizeConfig(10, MaxSizePolicy.PER_NODE))
 .setEvictionPolicy(EvictionPolicy.LFU)
 .setEvictionPercentage(20);

Backup copies

Backup = Synchronous copies

Async = Asynchronous copies

Total ...

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