Hi all,

Quick update on PR #1522: the binary swap test is now passing
successfully in CI, and the current results look good. Would
appreciate more reviews and feedback from the community before moving
forward.

PR link: https://github.com/apache/cloudberry/pull/1522.

Thanks a lot for your time and help!

Best,
Dianjin Wang

On Fri, Jan 9, 2026 at 10:16 AM Dianjin Wang <[email protected]> wrote:
>
> Hi,
>
> The PR is still in progress and needs more work. Thanks for your comment. I 
> will share more details on GitHub.
>
> For introducing commits from main to REL_2_STABLE, both approaches sound 
> workable. Your way is more efficient than cherry-picking and keeps the commit 
> SHA unchanged. Maybe we can try your way first. Only a few commits need to be 
> reverted or updated. (The breakable PRs were labeled, so they were figured 
> out more easily.)
>
>
> On Friday, January 9, 2026, Leonid Borchuk <[email protected]> wrote:
>>
>>  Hi!
>>
>> +1 for the catalog compatibility check.
>>
>> Also, I see you have created https://github.com/apache/cloudberry/pull/1522,
>> where we can check if all the tests pass for both old and new binaries. This
>> should check both the catalog compatibility and correct working with stored
>> data.
>>
>> By the way, I realized that you proposed cherry-picking a set (series) of
>> commits from the main branch to the REL_2_STABLE.
>>
>> I used to want to save effort and thought we could sync the main with
>> REL_2_STABLE and then revert commits breaking catalog compatibility. But
>> it's hard to implement, and there may be several such commits. And we
>> should create a reverting commit(s) (which could be challenging).
>>
>> So, your proposal for cherry-picking commits is more appealing to me. And we
>> could also check them in the workflow and make sure everything works as
>> expected. Let's do it this way.
>>
>> WBW, Leonid.
>>
>> On Tue, Jan 6, 2026 at 6:31 AM Dianjin Wang <[email protected]> wrote:
>>
>> > Hi all,
>> >
>> > Happy New Year, and best wishes for 2026! 🎉
>> >
>> > I’d like to follow up on the earlier thread and suggest that we
>> > revisit the discussion about the Apache Cloudberry 2.1.0 release. From
>> > a user perspective, having a 2.1 release on top of 2.0 is quite
>> > important, as it allows users to benefit from incremental improvements
>> > and bug fixes without waiting too long for a larger release.
>> >
>> > To move this forward, I think there are two key points we should align on:
>> >
>> > 1. CI coverage for the `REL_2_STABLE` branch
>> >
>> > We should invest in proper CI for the release branch. For changes
>> > flowing from `main` to `REL_2_STABLE`, it may be safer to go through
>> > PRs rather than direct pushes, so that changes are visible and
>> > properly validated.
>> >
>> > From an implementation standpoint, we can likely reuse most (or all)
>> > of the existing CI workflows from main by simply extending them to
>> > also run on the release branch.
>> >
>> > 2. Upgrade path from 2.0 to 2.1
>> >
>> > As discussed before, we should ensure that users can upgrade from 2.0
>> > to 2.1 as smoothly as possible. Ideally, this means supporting a
>> > direct binary-replacement-style upgrade, without data migration.
>> >
>> > To gain confidence here, we may need to establish something similar to
>> > an ABI (or catalog compatibility) testing mechanism, so we can clearly
>> > define and validate the upgrade guarantees we provide.
>> >
>> > Glad to hear everyone’s thoughts on these points and whether it makes
>> > sense. Looking forward to the discussion.
>> >
>> > BTW, we can certainly continue this discussion into next week to allow
>> > everyone time to catch up after the New Year holidays.
>> >
>> > Best,
>> > Dianjin Wang
>> >
>> > On Wed, Oct 22, 2025 at 8:42 PM Lirong Jian <[email protected]> wrote:
>> > >
>> > > Yes, we definitely should have a 2.1 release with all bug fixes and
>> > > improvements except those related to catalog changes, since the branch
>> > > associated with the 2.0.0 version is sort of too old.
>> > >
>> > > Best,
>> > > Lirong
>> > >
>> > >
>> > > Dianjin Wang <[email protected]> 于2025年10月21日周二 15:58写道:
>> > >
>> > > > On Mon, Oct 20, 2025 at 11:50 PM Leonid Borchuk <[email protected]>
>> > > > wrote:
>> > > > >
>> > > > > Indeed, ./postgres --catalog-version for 2.0.0-incubating takes us
>> > > > > Catalog version number:               302502091
>> > > > >
>> > > > > while current HEAD - 302509031
>> > > > >
>> > > > > So it's impossible to migrate from 2.0.0 to the current HEAD. Users
>> > > > should
>> > > > > create a new cluster and then use cbcopy to move all data. Which is
>> > not a
>> > > > > minor change.
>> > > > >
>> > > > > Maybe we should create 2.1 without changes in catalog and then merge
>> > all
>> > > > > our fixes and release version 3.0 ?
>> > > >
>> > > > Yes, the main branch catalog has been changed. The version has been
>> > > > bumped to 3.0.0 in the main.
>> > > >
>> > > > Additionally, I believe that one goal of the 2.1 release is to allow
>> > > > users to upgrade their 2.0 simply by swapping the binary, without
>> > > > requiring data migration.
>> > > >
>> > > > ---------------------------------------------------------------------
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>> > > > For additional commands, e-mail: [email protected]
>> > > >
>> > > >
>> >
>> > ---------------------------------------------------------------------
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>> > For additional commands, e-mail: [email protected]
>> >
>> >
>
>
>
> --
>
>
> Best,
> Dianjin Wang
>

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