Watcher examples

2010-11-09 Thread Jeremy Hanna
Anyone know of a good blog post or docs anywhere that gives a simple example of Watchers in action? I saw the one on: http://hadoop.apache.org/zookeeper/docs/current/javaExample.html#ch_Introduction but it seems kind of overly complicated for an intro to Watchers. I appreciate the example but

Re: Watcher examples

2010-11-11 Thread Jeremy Hanna
Thanks for posting Robert! On Nov 11, 2010, at 2:46 PM, Robert Crocombe wrote: On Tue, Nov 9, 2010 at 12:34 PM, Jeremy Hanna jeremy.hanna1...@gmail.comwrote: Anyone know of a good blog post or docs anywhere that gives a simple example of Watchers in action? I saw the one on: http

number of clients/watchers

2010-11-18 Thread Jeremy Hanna
I had a question about number of clients against a zookeeper cluster. I was looking at having between 10,000 and 100,000 (towards 100,000) watchers within a single datacenter at a given time. Assuming that some fraction of that number are active clients and the r/w ratio is well within the