IMPORTANT

Just created branch_9_0 off of branch_9x, and bumped version on branch_9x to 
9.1.

This means that everything is back to normal branch structure, and the feature 
freeze is now only on branch_9_0. 

Ishan, that also means that you only need to revert SOLR-15694 on branch_9_0, 
and let it remain on branch_9x, while you let it bake.

I also added these Jenkins jobs:
- Solr-Artifacts-9x
- Solr-Check-9.x
- Solr-reference-guide-9.x
- Solr-Artifacts-9.0
- Solr-Check-9.0
- Solr-reference-guide-9.0

Jan

> 9. jan. 2022 kl. 01:04 skrev Jan Høydahl <[email protected]>:
> 
> Hi,
> 
> This is indeed a deliberate deviation from established branch process, as 
> debated and decided in the "Solr 9.0.0 release in February" thread 
> https://lists.apache.org/thread/pzqvmcxcjhkrj2xb31sj3pwzrn6x9vd3 
> <https://lists.apache.org/thread/pzqvmcxcjhkrj2xb31sj3pwzrn6x9vd3> and 
> repeated on this very thread, so this is far from some SNEAKY attempt to 
> trick you all :) However, the intent of minimizing number of backports in a 
> period where the project is in 9.0 release focus (there will be tons of 
> commits) seemd brilliant just a week ago, but I can see that we also need a 
> place to land 9.1 features now and not wait until February.
> 
> As several committers are in support of freeing branch_9x for feature 
> development for 9.1, I'll go ahead and create the branch_9_0 branch now.
> 
> Ishan: What warrants a release is subjective, but noone can accuse the Solr 
> project of RUSHING with the 9.0 release. Have a look at the Major Changes in 
> Solr 9 
> <https://nightlies.apache.org/solr/draft-guides/solr-reference-guide-main/major-changes-in-solr-9.html>
>  page if you need a reminder of what we have been keeping from our users (and 
> developers not the least) for too long.
> Someone will always have a "killer feature" around the corner. Fine, then 9.1 
> will also get a nice killer feature. Or 9.2. More champagne! But lack of a 
> brand new feature is never a blocker for any release.
> 
> Jan
> 
>> 8. jan. 2022 kl. 02:45 skrev Ishan Chattopadhyaya <[email protected] 
>> <mailto:[email protected]>>:
>> 
>> > branch_9x is in feature freeze! We want to stabilize
>> 
>> Feature freeze is meant for the release branches. There is no precedent for 
>> having a feature freeze on the stable branch. I urge you to follow well 
>> established processes and not invent new processes on the fly and hold the 
>> project hostage to those new processes. If you have concerns about the 
>> stability of the commit, we can consider reverting from the stable branch.
>> 
>> On Sat, Jan 8, 2022 at 7:11 AM Ishan Chattopadhyaya 
>> <[email protected] <mailto:[email protected]>> wrote:
>> > What do we think about a "beta" release, to give users (including 
>> > *ourselves* in many cases) more time to try out 9.0 to report issues?
>> +1
>> 
>> > It would be a shame to release Solr 9 without support for the vector based 
>> > index in Lucene 9.  Thankfully there's a JIRA issue with a PR!  
>> > https://issues.apache.org/jira/browse/SOLR-15880 
>> > <https://issues.apache.org/jira/browse/SOLR-15880> .  It's as much about 
>> > optics as anything.  I think many users are probably more at a curiosity / 
>> > exploratory stage with this topic but still -- Solr 9 without the ability 
>> > to explore this is disappointing, leaving them to consider other options 
>> > to scratch that itch.
>> 
>> Fully agree with the sentiment here, David. Without the vector search 
>> feature, I see no other important enough feature in a 9.0 release to capture 
>> users' excitement. Commentators are already writing off Solr as legacy 
>> search [0], and such a milestone release should address some of the areas in 
>> which we're falling behind.
>> 
>> If that feature is just a few weeks out, what is the need for this 
>> artificial rush to get 9.0 out now?
>> 
>> [0] - https://twitter.com/jobergum/status/1476657317768749062 
>> <https://twitter.com/jobergum/status/1476657317768749062>
>> 
>> 
>> On Sat, Jan 8, 2022 at 5:15 AM Jan Høydahl <[email protected] 
>> <mailto:[email protected]>> wrote:
>> branch_9x is in feature freeze! We want to stabilize, fix bugs and remove 
>> blockers on that branch, not add features - unless they are agreed as a 
>> blocker for the release.
>> If everyone starts pushing all kinds of new features to 9x now, it will 
>> never stabilize.
>> 
>>>>> >>> Q: But my feature is almost ready and low-risk, I can surely put it 
>>>>> >>> on branch_9x ?
>>>>> >>> A: No, only blockers and bugfixes please. You can argue on dev@ that 
>>>>> >>> your feature is a blocker
>> 
>> 
>> I think it all looks a bit messy and rushed. SOLR-15694 
>> <https://issues.apache.org/jira/browse/SOLR-15694> is open, PR 
>> <https://github.com/apache/solr/pull/403> is open, with no approvals from 
>> any of the reviwers?
>> 
>> Please revert on branch_9x and then "argue on dev@ that your feature is a 
>> blocker".
>> 
>> Jan
>> 
>>> 7. jan. 2022 kl. 20:09 skrev Ishan Chattopadhyaya 
>>> <[email protected] <mailto:[email protected]>>:
>>> 
>>> Since a 9.0 release branch has not been cut, I backported the SOLR-15694 to 
>>> branch_9x. If there are any concerns, we can discuss reverting it from 
>>> branch_9_0 later.
>>> Thanks and regards.
>>> 
>>> On Fri, Jan 7, 2022 at 10:34 PM Ishan Chattopadhyaya 
>>> <[email protected] <mailto:[email protected]>> wrote:
>>> > let it bake in main (10.0) for some time, letting more devs try it out
>>> 
>>> Please define "some time". Is 3 weeks until the 9.0 release not enough?
>>> 
>>> On Fri, Jan 7, 2022 at 10:26 PM Jan Høydahl <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> I think it is premature to add it to branch_9x yet. First get +1 from key 
>>> stakeholders on the PR, then let it bake in main (10.0) for some time, 
>>> letting more devs try it out. If all looks good at that point, we may 
>>> consider it, especially if the default behaviour is === 8.x.
>>> 
>>> What do others think?
>>> 
>>> Jan
>>> 
>>>> 7. jan. 2022 kl. 11:26 skrev Ishan Chattopadhyaya 
>>>> <[email protected] <mailto:[email protected]>>:
>>>> 
>>>> > Btw - does Solr have any benchmarks published yet, that we can compare 
>>>> > 8.11 with 9.0? Would be very useful.
>>>> 
>>>> I can work on it over the weekend. I have some suites ready with me, but 
>>>> not automated yet.
>>>> 
>>>> > Today: Cut branch_9x and enter feature freeze on that branch
>>>> 
>>>> I'd like to include SOLR-15694 (node roles) in 9.0, if that's okay with 
>>>> you. It is dev complete, we're just running the tests to make sure the 
>>>> failing tests are not due to our changes (and unrelated); we can commit it 
>>>> over the weekend.
>>>> 
>>>> On Fri, Jan 7, 2022 at 3:13 AM Jan Høydahl <[email protected] 
>>>> <mailto:[email protected]>> wrote:
>>>> I don't think we are allowed by Apache policy to broadly announce 
>>>> non-official releases like nightlies.
>>>> 
>>>> There should be more than enough in 9.0 to warrant a major release.
>>>> Most users will be reluctant to jump on a X.0.0 release, so we can mature 
>>>> a lot in 9.0.x.
>>>> 
>>>> Perhaps if we start authoring the Release Notes (any volunteers?), we'll 
>>>> see more clearly what we are about to relase.
>>>> And if we can have new sexy features in 9.1 and 9.2 that even warrants 
>>>> blog posts and twitter bragging, even better :)
>>>> 
>>>> Let's keep this release train rolling and force ourselves into getting 
>>>> this out there sooner rather than later. We're not releasing the 
>>>> reference-branch or anything, so I think a beta is not necessary, unless 
>>>> the release phase ends up in endless RCs due to tons of bugs and 
>>>> regressions.
>>>> 
>>>> Btw - does Solr have any benchmarks published yet, that we can compare 
>>>> 8.11 with 9.0? Would be very useful.
>>>> 
>>>> Jan
>>>> 
>>>>> 6. jan. 2022 kl. 22:24 skrev David Smiley <[email protected] 
>>>>> <mailto:[email protected]>>:
>>>>> 
>>>>> What do we think about a "beta" release, to give users (including 
>>>>> *ourselves* in many cases) more time to try out 9.0 to report issues? I 
>>>>> don't think a beta release would necessitate a typical feature freeze.  
>>>>> If we ultimately decline on a beta release, a counter-proposal would be 
>>>>> to promote our nightly docker images everywhere (solr-users list, 
>>>>> twitter, Slack) to solicit feedback.
>>>>> 
>>>>> It would be a shame to release Solr 9 without support for the vector 
>>>>> based index in Lucene 9.  Thankfully there's a JIRA issue with a PR!  
>>>>> https://issues.apache.org/jira/browse/SOLR-15880 
>>>>> <https://issues.apache.org/jira/browse/SOLR-15880> .  It's as much about 
>>>>> optics as anything.  I think many users are probably more at a curiosity 
>>>>> / exploratory stage with this topic but still -- Solr 9 without the 
>>>>> ability to explore this is disappointing, leaving them to consider other 
>>>>> options to scratch that itch.
>>>>> 
>>>>> ~ David Smiley
>>>>> Apache Lucene/Solr Search Developer
>>>>> http://www.linkedin.com/in/davidwsmiley 
>>>>> <http://www.linkedin.com/in/davidwsmiley>
>>>>> 
>>>>> On Thu, Jan 6, 2022 at 2:11 PM Timothy Potter <[email protected] 
>>>>> <mailto:[email protected]>> wrote:
>>>>> thanks Jan, PR looks good now! 😀
>>>>> 
>>>>> 
>>>>> On Thu, Jan 6, 2022 at 11:52 AM Jan Høydahl <[email protected] 
>>>>> <mailto:[email protected]>> wrote:
>>>>> False alarm, I had a dirty checkout.
>>>>> Please see if your PR passes precommit.
>>>>> 
>>>>> Jan
>>>>> 
>>>>> > 6. jan. 2022 kl. 19:49 skrev Jan Høydahl <[email protected] 
>>>>> > <mailto:[email protected]>>:
>>>>> > 
>>>>> > Tim, I pushed a change to gradle that now uses hardcoded 9.0.0 for 
>>>>> > tests.luceneMatchVersion. That's a stop-gap, will make it dynamically 
>>>>> > follow the current lucene-version, but somehow my gradle project picked 
>>>>> > up an old version of org.apache.lucene.utils.Version class...
>>>>> > 
>>>>> > Now I get a new error
>>>>> > 
>>>>> > * What went wrong:
>>>>> > Execution failed for task ':validateSourcePatterns'.
>>>>> >> Found 10 violations in source files (@author javadoc tag, svn keyword, 
>>>>> >> tabs instead spaces).
>>>>> > 
>>>>> > Jan
>>>>> > 
>>>>> >> 6. jan. 2022 kl. 17:53 skrev Timothy Potter <[email protected] 
>>>>> >> <mailto:[email protected]>>:
>>>>> >> 
>>>>> >> Thanks for the update Jan!
>>>>> >> 
>>>>> >> One of my PRs (sync'd with main) is now failing precommit with:
>>>>> >> 
>>>>> >> 105 actionable tasks: 103 executed, 2 up-to-date
>>>>> >> 201FAILURE: Build failed with an exception.
>>>>> >> 202
>>>>> >> 203* Where:
>>>>> >> 204Script 
>>>>> >> '/home/runner/work/solr/solr/gradle/validation/solr.config-file-sanity.gradle'
>>>>> >> line: 40
>>>>> >> 205
>>>>> >> 206* What went wrong:
>>>>> >> 207Execution failed for task ':solr:validateConfigFileSanity'.
>>>>> >> 208> Configset does not refer to the correct luceneMatchVersion
>>>>> >> (10.0.0): 
>>>>> >> /home/runner/work/solr/solr/solr/server/solr/configsets/_default/conf/solrconfig.xml
>>>>> >> 209
>>>>> >> 
>>>>> >> Any ideas what's wrong there?
>>>>> >> 
>>>>> >> On Thu, Jan 6, 2022 at 9:40 AM Jan Høydahl <[email protected] 
>>>>> >> <mailto:[email protected]>> wrote:
>>>>> >>> 
>>>>> >>> NOTICE:
>>>>> >>> 
>>>>> >>> Branch branch_9_x has been cut and versions updated to 10.0 on 'main' 
>>>>> >>> branch.
>>>>> >>> 
>>>>> >>> This follows the plan from previous notice about 9.0 release [1]. 
>>>>> >>> Here is what will happen:
>>>>> >>> 
>>>>> >>> Today: Cut branch_9x and enter feature freeze on that branch
>>>>> >>> Next few weeks: Remove blockers, prepare build & release machinery
>>>>> >>> February: Cut branch_9_0 and build RC1
>>>>> >>> 
>>>>> >>> This is how we'll use the branches until we cut the branch_9_0 
>>>>> >>> release-branch:
>>>>> >>> 
>>>>> >>> main: All new features and bug fixes (as today)
>>>>> >>> branch_9x: Only backport of bugfixes and blockers for the 9.0 release.
>>>>> >>> 
>>>>> >>> 
>>>>> >>> FAQ:
>>>>> >>> ------
>>>>> >>> Q: Where do I put a feature intended for 9.1?
>>>>> >>> A: On main branch. Then in February, bulk backport to branch_9x
>>>>> >>> 
>>>>> >>> Q: Can we go to Java17 on main branch now?
>>>>> >>> A: Not yet, let's keep main branch as-is until branch_9_0 is cut, to 
>>>>> >>> easen backporting
>>>>> >>> 
>>>>> >>> Q: But my feature is almost ready and low-risk, I can surely put it 
>>>>> >>> on branch_9x ?
>>>>> >>> A: No, only blockers and bugfixes please. You can argue on dev@ that 
>>>>> >>> your feature is a blocker
>>>>> >>> 
>>>>> >>> Q: How can I help with the 9.0 release?
>>>>> >>> A: You can check out the JIRA for blockers [2] and help fix those
>>>>> >>> 
>>>>> >>> Q: Why do we need to wait until February with cutting the release 
>>>>> >>> branch?
>>>>> >>> A: We don't - if blockers are resolved and we feel close to RC1 
>>>>> >>> before then...
>>>>> >>> 
>>>>> >>> 
>>>>> >>> [1] https://lists.apache.org/thread/qv9n2b7jkmzr26ov5p50lc3h2dy7htzo 
>>>>> >>> <https://lists.apache.org/thread/qv9n2b7jkmzr26ov5p50lc3h2dy7htzo>
>>>>> >>> [2] https://issues.apache.org/jira/issues/?filter=12351219 
>>>>> >>> <https://issues.apache.org/jira/issues/?filter=12351219>
>>>>> >> 
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>>>>> 
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>>>> 
>>> 
>> 
> 

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