Great blog resources on Apache ZooKeeper

Over the last while I have written several articles on Apache ZooKeeper.  I want to provide links to them here for easy digestion. Apache ZooKeeper is an open source project.  it’s main goal is to be a high available system.  It boasts the ability to be used for several purposes: Presence Protocol Server / Config […]

What is the zNode data limit size for Apache ZooKeeper?

1GB? 10MB? 1KB? zNode Limit = 1MB. This is the default size of a single zNode or key/value pair within ZooKeeper.  It should be noted that both the Key and the Value are combined into this equation.  ZooKeeper is designed as a high read, high throughput system for small keys.  It is not designed as […]

How do you monitor Apache ZooKeeper Connection counts?

What is the best way to monitor the number of connections a ZooKeeper server is servicing? Well – I think the correct answer to that depends on what type of brain you are.  For example if you are a programmer – you will probably be more interested in the number of watches or subscriptions on […]

ZooKeeper – Initial Thoughts

Recently I have been doing a lot of work with ZooKeeper. so I wanted to take a chance to express some opinions on using. ZooKeeper is an open source config management server.  It boasts the ability to be used for several purposes: Presence Protocol Server / Config Management Leader Election My initial reactions tell me […]