Eureka self protection

Eureka Self protection

The fault phenomenon

Cause

 In a word : At some point   A micro service is unavailable ,Eureka It won't clean up immediately , The information of the service will still be saved 

 Belong to CAP Inside AP Branch 

Prohibit self-protection —EurekaServer End

1. Production default , The self-protection mechanism is open

   eureka.server.enable-self-preservation=true
   

2. Use eureka.server.enable-self-preservation=false You can disable self-protection mode

   

3. Closing effect

   

4. stay eurekaServer End 7001 Turn off the self-protection mechanism

EurekaClient End

1. Default

   eureka.instance.lease-renewal-interval-in-seconds=30   
    The unit is in seconds ( The default is 30 second )
     
     
   eureka.instance.lease-expiration-duration-in-seconds=90
    The unit is in seconds ( The default is 390 second )
   

2. To configure

   

3. test