SystemCacheSetting

Field	NULL	Description	Note
timeToLive integer		Define the lifespan in second for system caches
evictionInterval integer		Define the inteval to clear expired system caches
defaultEvictionInterval integer	Y	Default value of EvictionInterval
defaultTimeToLive integer	Y	Default value of timeToLive

Sample:

{
   "timeToLive": 60,
   "evictionInterval": 3600,
   "defaultEvictionInterval": 3600,
   "defaultTimeToLive": 60
}