notes
4, call the Superior length of service load balancing strategy adjustment combat
Description: combat adjust the default load balancing strategy combat
custom load balancing strategy: http: //cloud.spring.io/spring-cloud-static/Finchley.RELEASE/single /spring-cloud.html#_customizing_the_ribbon_client_by_setting_properties
in the configuration file yml inside, custom load balancing strategy
# custom load balancing strategy
Product-Service:
Ribbon:
NFLoadBalancerRuleClassName: com.netflix.loadbalancer.RandomRule
policy options:
1, if each machine configuration Like, it is recommended not to modify the policy (recommended)
2, if the strong part of the machine configuration, you can instead WeightedResponseTimeRule
Start
First review process on lesson
chose a method which has getServer method
getServer layers of calls, finally returns policy loadBalancer load balancer
loadBalance there are methods to increase addServer services, chooseServer select service approach
also get all of the services the method of the list of getAllServers
find the implementation class BaseLoadBalancer
baseLoadBalance choose which method here rule strategy
IRule is the interface
strategies there are many, you can select the
default strategy is a way of polling. Always turn the port in the way of access to the three services
Change Policy
Official documents address
http://cloud.spring.io/spring-cloud-static/Finchley.RELEASE/single/spring-cloud.html#_customizing_the_ribbon_client_by_setting_properties
find IRule implementation class, package name to copy
the configuration of the package is the full path name + class mode name
verification
Here add breakpoints to test
access interface
Note that this intermediate product-service is a horizontal line of
the current model is random
now is random, not in accordance with the three services in turn to
