I’ve seen those terms used interchangeably, but there are different ways of implementing it: Send a cookie on the first response and then look for it on subsequent ones. The cookie says which real server to send to. Bad if you have to support cookie-less browsers Partition based on the requester’s IP address. Bad if … Read more
Basically you have two options – either create a cluster using JBoss own domain mode or extend you standalone configuration to contain required elements for session replication and sso. In domain mode, most of the configurations are already present in EAP7 – just extend domain-full-ha profile. Required changes include enabling distributable flag in your web … Read more
From documentation: More rarely, it can happen when the client is attempting the initial connection to the server. In this case, if your connect_timeout value is set to only a few seconds, you may be able to resolve the problem by increasing it to ten seconds, perhaps more if you have a very long distance … Read more
You could set PHP to handle the sessions in the database, so all your servers share same session information as all servers use the same database for that. A good tutorial for that can be found here.
In Spring Security 3 with Java Config, you can use HttpSecurity.sessionManagement(): @Override protected void configure(final HttpSecurity http) throws Exception { http .sessionManagement() .sessionCreationPolicy(SessionCreationPolicy.STATELESS); }
Load Balancer: A kubernetes LoadBalancer service is a service that points to external load balancers that are NOT in your kubernetes cluster, but exist elsewhere. They can work with your pods, assuming that your pods are externally routable. Google and AWS provide this capability natively. In terms of Amazon, this maps directly with ELB and … Read more
There are several: Terracotta (open source, based on Mozilla Public License); Oracle Coherence (formerly Tangosol Coherence; commercial; based on JSR 107, which was never adopted officially); GigaSpaces (commercial; based on JavaSpaces API, part of Jini); GridGain, which you mentioned (open source: LGPL); memcached with a Java client library (open source: BSD License; EHCache (open source: … Read more
This is now possible with the addition of the ngx_stream_ssl_preread module added in Nginx 1.11.5 and the ngx_stream_map module added in 1.11.2. This allows Nginx to read the TLS Client Hello and decide based on the SNI extension which backend to use. stream { map $ssl_preread_server_name $name { vpn1.app.com vpn1_backend; vpn2.app.com vpn2_backend; https.app.com https_backend; default … Read more
This should answer: How To: Configure MachineKey in ASP.NET 2.0 – Web Farm Deployment Considerations Web Farm Deployment Considerations If you deploy your application in a Web farm, you must ensure that the configuration files on each server share the same value for validationKey and decryptionKey, which are used for hashing and decryption respectively. This … Read more
It looks like you are using a custom Kubernetes Cluster (using minikube, kubeadm or the like). In this case, there is no LoadBalancer integrated (unlike AWS or Google Cloud). With this default setup, you can only use NodePort or an Ingress Controller. With the Ingress Controller you can setup a domain name which maps to … Read more