On 11-Oct-2013, at 10:03 AM, Tom Morris wrote:

> On Thu, Oct 10, 2013 at 9:28 PM, Anand Chitipothu <[email protected]> wrote:
> On 11-Oct-2013, at 4:54 AM, Tom Morris wrote:
> 
> > 1. OpenLibrary currently uses an ancient version of Solr (1.4.0) which is 
> > 4+ years old.  Is there a reason not to upgrade?
> >
> > 2. If we update, should we target the very recent 4.5 or the last stable 
> > maintenance release from the previous major version (3.6 from Dec. 2012)
> >
> > 3. Is there a way to get the database reindexed in Solr for my dev 
> > instance?  I blew away all my Solr indexes when I installed Solr 4.5 and 
> > I'd like to get the indexes rebuilt.
> 
> Have been working on a vagrant based-dev instance with ubuntu 12.04, solr 3.6 
> etc.
> 
> https://github.com/anandology/openlibrary/tree/vagrant
> 
> Haven't merged with master yet. Hope to do that in this month.
> 
> So, that sounds like a vote for 3.6 (or 3.6.2?) over 4.5.  I guess I should 
> have asked before starting work.

Yes. Mainly because we are more comfortable using the package that comes with 
the ubuntu distribution than installing it ourselves.

> My 4.5 based branch is here (although I think most of the required changes 
> were introduced by 3.x):
> 
> https://github.com/tfmorris/openlibrary/tree/solr-upgrade
> 
> Any answer to the remaining question on how to get Solr to re-index the 
> database?

I've been working on building  solr index offline. The plan is to publish it 
along with monthly dumps. It'll take some more time before it happens.

Anand 

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