I believe this can effect not just 3.3->3.4 upgrades but also normal operation of a 3.4 cluster. I'd suggest holding off on 3.4 until 3.4.1 is available. (Mahadev and I are working on it for RC later this week, a patch should be available soon).
Patrick On Wed, Dec 7, 2011 at 10:25 AM, Mahadev Konar <[email protected]> wrote: > Hi all, > We have just come to realize that there is an issue that causes data > loss/inconsistent data. This affects upgrades from 3.3.* to 3.4.0. > The issue is https://issues.apache.org/jira/browse/ZOOKEEPER-1319. We > are working on a fix and will be doing a 3.4.1 ASAP. We will be > pulling back 3.4.0 so that folks do not download and start using it. > Other downstream projects will have to upgrade to 3.4.1. Sorry for > inconvenience. > > thanks > mahadev
