I'm using node.js, and using the cluster module. Everytime I run cluster.fork(), I always get a throw er; // Unhandled 'error' event Error: bind EADDRINUSE at exports._errnoException (util.js:746...

Currently, I am using Vagrant 1.4.3 in-conjunction with VirtualBox running Unix (Centos) for my development server (using MariaDB). I didn't setup the box myself (so my knowledge of setting this ...

I'm new to ZooKeeper. This is what I need. I've a network of peers. At t=t_1 -> [peer-1 (Leader), peer-2] peer-1 is the master and all clients connect to this node. At t=t_2 -> [peer-1 (...

I am trying to create a replica set with MongoDb, the servers hostnames are: hostname hostname-1 hostname-2 Each of these has all the relevant hostnames detailed in their /etc/hosts file (They;re...

I'm testing this great gem Octopus with Rails 4.0.2 in development. I created a Slave db and configured octopus as follows (config>shards.yml): octopus: environments: - development replicated:...

I am investigating using MongoDB ReplicaSet for high availability. But just discovered that in ReplicaSet with 3 nodes, if PRIMARY mongod is the only one left (that is 2 other mongod instances die...

With Slick and a Master/Slave set up with MySQL, how do I ensure writes (INSERT, UPDATE, etc) are sent to the master and reads (SELECT) are send to the slaves?

Full error: Warning: Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT. Statements writing to a table with an auto-increment column after selectin...

I've been reading about Jenkins master/slave configurations but I still have some questions: Is it so that the slave Jenkins is not actually installed and started up the way master Jenkins is? I ...

I have a durable consumer to a remote JMS queue in embedded Camel routing. Is it possible to have this kind of routing with master-slave configuration? Now it seems that the Camel routes are starte...

Running on Ubuntu. Program is in C++. I have 2 process running on different hosts , when one is master and one is slave (don’t have any priority between them, just that only one handle request.). O...

I want Jenkins to be able to kick off a deployment process on another server, but I want a process on that server to actually do the deplyoment process (for security reasons e.g. rather than having...

Ok, so I have Hudson (v1.393) running in an Ubuntu VM and everything's working fine. However I'm trying to add a Mac slave to the Ubuntu master and I've run in to a few problems. I have set up SSH...

I am writing an application which requires the Master/Slave switch to happen inside the application layer. As it is right now, I instantiate a Zend_Db_Table object on creation of the mapper, and th...

I need to implement master/slave/load balancing into an existing site. Does anyone use these (or other) implementations for master/slave switching? The resources I found on how to implement mast...

As you can see, the link to that on the hudson website is dead. So, I was hoping for a little step by step for setting up a windows slave with a linux master. I managed to setup hudson on the win...

I want to write a master-slave application in Erlang. I am thinking at the following things I need from the architecture: the slaves shouldn't die when the master dies, but rather try to reconnec...