Re: Zookeeper behind load balancer

2010-04-14 Thread Mahadev Konar
Hi Prashant, Just one more thing. It would be great if you could update the powered by page at: http://wiki.apache.org/hadoop/ZooKeeper/PoweredBy With your usage model as well once you start using ZooKeeper. Thanks mahadev On 4/14/10 10:38 AM, "Patrick Hunt" wrote: > > On 04/14/2010 10:

Re: Zookeeper behind load balancer

2010-04-14 Thread Patrick Hunt
On 04/14/2010 10:09 AM, Mekaraj, Prashant wrote: We did test this and it seems to work fine, but ymmv depending on the load balancer product I suppose. Yes, that's def true. Please highlight this in your results writeup. If you can provide the name, config, etc.. of the lb you used that would

Re: Zookeeper behind load balancer

2010-04-14 Thread Patrick Hunt
On 04/14/2010 09:33 AM, Mekaraj, Prashant wrote: Many thanks for the quick reply. 1) unnecessary -- clients already randomize their connect string to balance the sessions across servers The problems we are trying to solve are 1. updating the ensemble to add new servers implies finding an upd

Re: Zookeeper behind load balancer

2010-04-14 Thread Patrick Hunt
Two main issues I can think of: 1) unnecessary -- clients already randomize their connect string to balance the sessions across servers 2) unless you turn on some sort of session tracking in the ballancer client's won't be able to use the service. ZK sessions use long lived TCP connections to

Re: Zookeeper behind load balancer

2010-04-14 Thread Flavio Junqueira
Hi Seb, I was wondering how you're thinking about performing session management interposing a load balancer between clients and zookeeper servers. I'm probably missing some important piece of your design. Thanks, -Flavio On Apr 14, 2010, at 3:48 PM, Toader, Sebastian wrote: Hi ZooKeeper D

Zookeeper behind load balancer

2010-04-14 Thread Toader, Sebastian
Hi ZooKeeper Dev Team, We are thinking of putting our ZooKeeper server behind load balancer. The client applications would connect to assemble through the load balancer. Can you let us know if there are any drawbacks in putting the assemble behind a load balancer? Thank you, Seb -