Weblogic interview Questions
1.how can achive high availbulity ===================== 1. cluster 2. load balancer 1. Cluster cluster means group of members to appear to cllint to be one. why we use cluster ------------------------- 1.load balancing : load must be balanced among the cluster , we use round rabin algoritham 2.High avavibulity : at a given point of time i have a member to server your request. 3.failover : if one member in the cluster is not responding , then request move to another member 4.scalability : adding or removing member in cluster Types of cluster =============== 1.vertical : member of cluster resides in same machine 2.Harizontal : member of cluster resides in more than one machine modes of communication ------------------------------- 1. we have 2 types of communication 2. communication do via heartbeats 3. heartbeat throshed value : 3 sec 1. uni...