Eureka Parameter Configuration -> Server-side parameters

1, the basic parameters

parameter	Defaults	Explanation
eureka.server.enable-self-preservation	true	Whether to enable self-protection mode
eureka.server.renewal-percent-threshold	0.85	Threshold specified number of minutes per contract received
eureka.instance.registry.expected-number-of-renews-per-min (obsolete)	1	Specifies the number of times per minute required to renew received, the actual value which is written in the dead to count * 2, the other will be updated
eureka.server.renewal-threshold-update-interval-ms	15 minutes	UpdateRenewalThreshold timing of scheduling of tasks specified frequency to dynamically update expectedNumber OfRenewsPerMin, numberOfRenewsPerMinThreshold value
eureka.server.eviction-interval-timer-in-ms	60*1000	EvictionTask specified frequency scheduling regular tasks for instance remove expired

2, response cache parameters (Eureka Server in order to improve their performance REST API interface provided two buffers, one based readOnlyCacheMap ConcurrentMap, one is based on the Guava Cache readWriteCacheMap)

parameter	Defaults	Explanation
eureka.server.use-read-only-response-cache	true	Whether to use read-only response-cache
eureka.server.response-cache-update-interval-ms	30*1000	Provided CacheUpdateTask schedule interval for updating data from readWriteCacheMap readOnlyCacheMap, only eureka.server.use-read-only-response-cache is true when it is to take effect
eureka.server.response-cache-auto-expiration-in-seconds	180	Set expireAfterWrite parameters readWriteCacheMap, specifying how long after writing expired

3, peer-related parameters

parameter	Defaults	Explanation
eureka.server.peer-eureka-nodes-update-interval-ms	10 minutes	PeersUpdateTask specified scheduled time interval for refreshing the configuration information peerEurekaNodes node (eureka.client.serviceUrl associated zone configuration) from the configuration file
eureka.server.peer-eureka-status-refresh-time-interval-ms	30*1000	Specify the information to update the status of peer nodes interval

4, http parameters

parameter	Defaults	Explanation
eureka.server.peer-node-connect-timeout-ms	200	Connection timeout
eureka.server.peer-node-read-timeout-ms	200	Read timeout
eureka.server.peer-node-total-connections	1000	The maximum number of active connections pool (MaxTotal) connection
eureka.server.peer-node-total-connections-per-host	500	Maximum number of connections for each host can be used (DefaultMaxPerRoute)
eureka.server.peer-node-connection-idle-timeout-seconds	30	Connection idle time connections in the pool (connectionIdleTimeout)