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From "Jack Krupansky" <>
Subject Re: Lucene 4.0 GA time frame
Date Tue, 31 Jul 2012 14:12:39 GMT
Erick's estimate is right in line with the chatter I have heard. There is 
some talk of a Beta release in August, but there is some concern that too 
many people are on vacation in August to get much feedback.

My guess is for a Beta no later than the middle of September and a release a 
month later. It seems reasonable to expect the 4.0 release by mid-October. 
I'd be surprised if the release slipped beyond November.

FWIW, I haven't seen any "the index format has changed; you must re-index" 
messages in at least a few weeks, so at least some level of stability has 
already been achieved.

The SolrCloud stuff seems to still be in a state of flux (from the issue 
traffic I have seen), so I'm not sure if that is ready enough for imminent 
release, although it may be getting close.

I am disturbed with the large number of frequent Jenkins test failures. I 
feel a little uncomfortable recommending use of code whose test system fails 
so frequently. We need some stability there, although it may be at least 
semi-reasonable to discount those test failures as the need for improving a 
complex test system rather than a judgment about the quality of the 
underlying Lucene/Solr code.

The bottom line is that Lucene/Solr 4.0 GA in the fall (before December) is 
a reasonable expectation, based on the code's current trajectory.

-- Jack Krupansky

-----Original Message----- 
From: Erick Erickson
Sent: Tuesday, July 31, 2012 8:46 AM
Subject: Re: Lucene 4.0 GA time frame

My guess is in the September/October time frame. Things are actually
moving along pretty quickly, and there's considerable sentiment to get
it out the door...


On Mon, Jul 30, 2012 at 11:11 PM, Vitaly Funstein <> 
> Given that the Alpha is out, are there any more or less definitive
> guidelines on when 4.0 will be officially released? Hopefully, someone
> probably has a ballpark estimate on this, give or take a few months? We 
> are
> trying to get an idea so the 4.0 migration effort could be better aligned
> with its release. Thank you.

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