Hi,

Just an FYI regarding Java22.
In CrateDB we experienced issues with a bug:
https://bugs.openjdk.org/browse/JDK-8323659
>From a quick search, haven't seen usage of `LinkedTransferQueue` in Lucene,
so just wanted to share the issue.

Cheers
-- Marios

On Wed, Jan 24, 2024 at 4:08 PM Chris Hegarty
<christopher.hega...@elastic.co.invalid> wrote:

> Hi Uwe,
>
> > On 24 Jan 2024, at 13:29, Uwe Schindler <u...@thetaphi.de> wrote:
> >
> > Hi,
> >
> > Now I understand why you asked yesterday in the Java 22 PR.
>
> :-) I was just gathering my thoughts and considering what options we have
> relating to releases (bugfix or minor).
>
> > Do you think we should add Java 22 support for MMAP and Vectors?
>
> No. Let’s do a 9.9.2 with just the two aforementioned bug fixes. We can
> later do a 9.10, some time in late February to early March, in order to
> pick up the Java 22 and other changes.
>
> > It is a bit risky, because API may still change, but the worst that
> could happen is that people need to pass a sysprop in Java 22 to disable
> broken MMAP (if everything goes wrong).
> >
> > So what do you think? Should we merge in Java 22 support or not? It's a
> bugfix release, so I am not super happy to take any risks.
>
> Agree. Let’s lower the risk. We’ll stay the coarse for Java 22 support in
> 9.10, as would be the case if 9.9.2 was not a thing.
>
> -Chris.
>
> > Uwe
> >
> > Am 23.01.2024 um 18:36 schrieb Chris Hegarty:
> >> Hi,
> >>
> >> We’ve encounter a serious issue with the recent Lucene 9.9.1 release,
> which warrants a 9.9.2.
> >>
> >> The issue is a NPE when sampling for quantization in
> Lucene99HnswScalarQuantizedVectorsFormat [1]. Thankfully Ben has already
> resolved the issue, and backported it to the appropriate branches.
> >>
> >> I don’t see any other potential issues that would warrant being pulled
> into this release.
> >>
> >> I’m happy to be Release Manager for 9.9.2 (given my recent experience
> on 9.9.1). I’ll start the release process tomorrow and notify this list
> when artifacts are ready.
> >>
> >> Thanks,
> >> -Chris.
> >>
> >> [1] https://github.com/apache/lucene/pull/13027
> >> ---------------------------------------------------------------------
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> >>
> > --
> > Uwe Schindler
> > Achterdiek 19, D-28357 Bremen
> > https://www.thetaphi.de
> > eMail: u...@thetaphi.de
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org
> > For additional commands, e-mail: dev-h...@lucene.apache.org
> >
>
>
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>

-- 
Marios

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