Re: How large an ensemble can one build with Zookeeper?

2009-03-06 Thread Benjamin Reed
I realize this is discussion is over, but i did want to make one quick clarification. when we talk about ensembles, we are talking about the servers that make up the zookeeper service. we refer to the servers that use the zookeeper service as clients. we have systems here that use ensembles of

Re: How large an ensemble can one build with Zookeeper?

2009-03-06 Thread Ted Dunning
Chubby and Zookeeper have very different ways at getting to similar purposes. Chubby is a locking service, while zookeeper is all about avoiding locks. Zookeeper is better described as a coordination service. Regarding performance, I am pretty sure that Zookeeper could keep up with some pretty

Distributed Lock Libraries

2009-03-06 Thread Fernando Padilla
When I first discovered Zookeeper last year, it was all about the low-level file-system semantics, and letting the client use it with several knowns recipes (design patterns, algorithms, etc). And I remember it mentioning that some people within Yahoo were working on a nice client-side

Re: Distributed Lock Libraries

2009-03-06 Thread Mahadev Konar
Hi Fernando, Our 3.2 release is focussed more on having such recipes in a clieaner and reliable way. One of the jiras that focusses on this is http://issues.apache.org/jira/browse/ZOOKEEPER-78. We hope to add more of such recipes in 3.2. Thanks mahadev On 3/6/09 2:30 PM, Fernando Padilla