ZOOKEEPER-22 and release 3.3

2010-02-02 Thread Mahadev Konar
Hi all, I had been working on zookeeper-22 and found out that it needs quite a few extensive changes. We will need to do some memory measurements to see if it has any memory impacts or not. Since we are targetting 3.3 release for early march, ZOOKEEPER-22 would be hard to get into 3.3. I am prop

Re: question regarding connectionloss

2010-02-02 Thread Ted Dunning
I have found that ZK is an excellent diagnostic tool for misconfigured systems. Every time I have seen excessive connection loss rates, it has not been Zookeeper itself, but instead indicated problems on the client side. On Tue, Feb 2, 2010 at 11:15 AM, Patrick Hunt wrote: > For example "Hardwa

Re: question regarding connectionloss

2010-02-02 Thread Patrick Hunt
You should never see connection loss except in the case where you have some network partition or some other issue that causes communication issues btw the client and server. (client swapping? server swapping or either having GC pause issues? etc...) Are you monitoring your hosts/network/jvms, e

Re: how to handle re-add watch fails

2010-02-02 Thread Eric Bowman
Ah ok, that makes a lot of sense. Thanks Ben! On 02/01/2010 07:58 PM, Benjamin Reed wrote: > sadly connectionloss is the really ugly part of zookeeper! it is a > pain to deal with. i'm not sure we have best practice, but i can tell > you what i do :) ZOOKEEPER-22 is meant to alleviate this proble