分布式系统特性概念

• 系统的各组件分布于网络上多个计算机
• 各组件彼此之间仅仅通过消息传递来通信并协调行动

分布式存在的意义

扩展了单机处理的弱势以及瓶颈

• 向上扩展的性价比越来越底
• 单机扩展存在性能上升临界点
• 处于稳定行以及可用性考虑, 单机会存在多方面的问题

线程可以共享进程的多种资源

if [ $JAR_NAME == “hqp-refund-service” ];then
dir=”./hqp-refund/hqp-refund-service”
rely=”./hqp-refund/hqp-refund-api
elif [ $JAR_NAME == “hqp-purchase-bid-service” ];then
dir=”./hqp-purchase-bid/hqp-purchase-bid-service”
rely=”./hqp-purchase-bid/hqp-purchase-bid-api”
elif [ $JAR_NAME == “hqp-order-service” ];then
dir=”./hqp-order/hqp-order-service”
rely=”./hqp-order/hqp-order-api,./hqp-refund/hqp-refund-api,./hqp-coupon/hqp-coupon-api”
fi

if [ $JAR_NAME == “hqp-refund-service” ];then
dir=”2222”
rely=”./hqp-refund/hqp-refund-api
elif [ $JAR_NAME == “hqp-purchase-bid-service” ];then
dir=”./hqp-purchase-bid/hqp-purchase-bid-service”
rely=”./hqp-purchase-bid/hqp-purchase-bid-api”
elif [ $JAR_NAME == “hqp-order-service” ];then
dir=”./hqp-order/hqp-order-service”
rely=”./hqp-order/hqp-order-api,./hqp-refund/hqp-refund-api,./hqp-coupon/hqp-coupon-api”
fi

kubectl scale –replicas=2 deployment/zeus-bi deployment/zeus-store deployment/zeus-store -n hqp-fat2