OK: that is helpful, thanks! On 13 July 2012 15:44, Mark Miller <markrmil...@gmail.com> wrote:
> It really comes down to you. > > Many people run a trunk version of Solr in production. Some never would. > Generally, bugs are fixed quickly, and trunk is pretty stable. The main > issue is index format changes and upgrades. If you use trunk you generally > have to be willing to reindex to upgrade. That's one nice thing about this > Alpha - we are saying that unless there is a really bad bug, you will be > able to upgrade to future versions without reindexing. > > Most of the code itself has been in dev and use for years - so it's not so > risky in my opinion. It's almost more about Java APIs and what not than > code stability when we say Alpha. > > In fact, just read this > http://www.lucidimagination.com/blog/2012/07/03/4-0-alpha-whats-in-a-name/ > > That should help clarify what this release is. > > On Fri, Jul 13, 2012 at 6:51 AM, John Field <jfi...@astreetpress.com> > wrote: > > > Hi, we are considering a long-term project (likely lifecycle of > > several years) with an initial production release in approximately > > three months. > > > > We're intending to use Solr 3.6.0, with a view for upgrading to 4.0 > > upon stable release. > > > > However, http://lucene.apache.org/solr/ now has 4.0-ALPHA as the main > > download, implying this version is for general use. > > > > But on the other hand, the release notes state "This is an alpha > > release for early adopters." and http://wiki.apache.org/solr/Solr4.0 > > gives a timescale of 60 days minimum before final release. > > > > We'd like to use 4.0 features such as near real-time updates, but > > haven't identified these as must-haves for the initial release. > > > > Given that our first production release is likely to occur a month > > after that 60 days, is 4.0-ALPHA suitable for general product > > development, or is it recommended to stick with 3.6.0 and accept an > > upgrade cost when 4.0 is > > stable? > > > > (Perhaps this hinges on understanding why 4.0-ALPHA is now the main > > download option). > > > > Thanks. > > > > > > -- > - Mark > > http://www.lucidimagination.com > -- John Field, Software Architect http://www.alexanderstreet.com - Alexander Street Press, world-leading digital humanities publisher.