BTW, just for a bit of more context, I am slowly increasing the
parallelism. For now, I am monitoring the review results for all - it gives
me notification to my phone for every review :-).

On Tue, 10 Nov 2026 at 06:47, Hyukjin Kwon <[email protected]> wrote:

> Seems like this is working quite fine although sometimes it fails (and
> says to try again). Let me increase the parallelism to 8. So it reviews 8
> at a time.
>
> On Wed, 4 Nov 2026 at 08:47, Holden Karau <[email protected]> wrote:
>
>> Very cool :)
>>
>> On Tue, Nov 3, 2026 at 2:51 PM Hyukjin Kwon via dev <[email protected]>
>> wrote:
>>
>>> Just FYI. Now, the bot is reviewing 4 at a time. The review takes around
>>> 1 hour. So sometimes it takes time. I am still monitoring.
>>>
>>> On Fri, 23 Oct 2026 at 07:09, Hyukjin Kwon <[email protected]> wrote:
>>>
>>>> FYI, I am monitoring and controlling details now. Effort, timeout,
>>>> security stuff.
>>>>
>>>> On Thu, 22 Oct 2026 at 22:51, Dongjoon Hyun <[email protected]>
>>>> wrote:
>>>>
>>>>> Got it. Thank you!
>>>>>
>>>>> Dongjoon.
>>>>>
>>>>> On 2026/10/22 11:44:04 Hyukjin Kwon wrote:
>>>>> > Just to reduce any surprise, I set another bot to monitor the bot
>>>>> itself.
>>>>> > If it does anything wrong, it halts immediately, and removes/reverts
>>>>> > whatever was wrong.
>>>>> >
>>>>> > For committers, please directly remove the `ai-review-requested`
>>>>> label if
>>>>> > there seems anything wrong. That would make the bot stop too.
>>>>> >
>>>>> > On Thu, 22 Oct 2026 at 20:21, Hyukjin Kwon <[email protected]>
>>>>> wrote:
>>>>> >
>>>>> > > Ok .. I managed to enable the bots. Please try
>>>>> `ai-review-requested` label
>>>>> > > out (only commiters can do). and please let me know if there are
>>>>> anything
>>>>> > > suspicious or not working well 👍
>>>>> > >
>>>>> > > On Tue, 20 Oct 2026 at 08:31, Dongjoon Hyun <[email protected]>
>>>>> wrote:
>>>>> > >
>>>>> > >> Thank you so much for keeping working and sharing the status,
>>>>> Hyukjin.
>>>>> > >>
>>>>> > >> Dongjoon.
>>>>> > >>
>>>>> > >> On 2026/10/19 21:50:36 Hyukjin Kwon wrote:
>>>>> > >> > update: I am still struggling / testing. `ai-review-requested`
>>>>> label
>>>>> > >> does
>>>>> > >> > not work for now.
>>>>> > >> >
>>>>> > >> > On Fri, 16 Oct 2026 at 07:05, Hyukjin Kwon <
>>>>> [email protected]>
>>>>> > >> wrote:
>>>>> > >> >
>>>>> > >> > > headsup. I will stop the bot today. Will likely introduce
>>>>> > >> > > `ai-review-requested` label (only committers can set) to
>>>>> trigger the
>>>>> > >> review
>>>>> > >> > > most likely today for testing it out, see
>>>>> > >> > > https://github.com/apache/spark/pull/59502
>>>>> > >> > >
>>>>> > >> > > On Mon, 12 Oct 2026 at 08:14, Hyukjin Kwon <
>>>>> [email protected]>
>>>>> > >> wrote:
>>>>> > >> > >
>>>>> > >> > >> Another quick heads up.
>>>>> > >> > >>
>>>>> > >> > >>    - I am basically stopping (or rather not posting) the
>>>>> reviews when
>>>>> > >> > >>    there are no findings.
>>>>> > >> > >>    - If there are updates from the author, the review will be
>>>>> > >> triggered.
>>>>> > >> > >>    To minimize the cost, I am not setting the effort as max
>>>>> but
>>>>> > >> rather trigger
>>>>> > >> > >>    multiple times whenever the author pushes a newer commit.
>>>>> > >> > >>    - I am looking especially through P3 review comments or
>>>>> not.
>>>>> > >> Please
>>>>> > >> > >>    let me know if you guys are getting too many P3 nits, and
>>>>> if that
>>>>> > >> bugs you.
>>>>> > >> > >>
>>>>> > >> > >>
>>>>> > >> > >>
>>>>> > >> > >> On Thu, 8 Oct 2026 at 10:54, Hyukjin Kwon <
>>>>> [email protected]>
>>>>> > >> wrote:
>>>>> > >> > >>
>>>>> > >> > >>> Just quick headup, I am having some trouble with automation
>>>>> right
>>>>> > >> now. I
>>>>> > >> > >>> would need to test/run manually so it would be triggered
>>>>> like
>>>>> > >> everyday for
>>>>> > >> > >>> now.
>>>>> > >> > >>>
>>>>> > >> > >>> On Sat, 3 Oct 2026 at 01:53, Dongjoon Hyun <
>>>>> [email protected]>
>>>>> > >> wrote:
>>>>> > >> > >>>
>>>>> > >> > >>>> +1
>>>>> > >> > >>>>
>>>>> > >> > >>>> Thanks, Hyukjin.
>>>>> > >> > >>>>
>>>>> > >> > >>>> Could we introduce a few safeguards for the new review bot?
>>>>> > >> > >>>>
>>>>> > >> > >>>> Specifically:
>>>>> > >> > >>>> - A GitHub label to opt out or disable the bot per PR.
>>>>> > >> > >>>> - Protections against excessive ASF Jira API calls.
>>>>> > >> > >>>>
>>>>> > >> > >>>> This would prevent the bot from being blocked/banned by
>>>>> ASF Jira
>>>>> > >> > >>>> and allow reviews to proceed even if Jira is down. It also
>>>>> helps
>>>>> > >> > >>>> manage worst-case scenarios where the bot leaves
>>>>> repetitive or
>>>>> > >> > >>>> unhelpful nitpicks.
>>>>> > >> > >>>>
>>>>> > >> > >>>> Best,
>>>>> > >> > >>>> Dongjoon
>>>>> > >> > >>>>
>>>>> > >> > >>>> On 2026-10-01 21:58 UTC Hyukjin Kwon wrote:
>>>>> > >> > >>>> > Hi all,
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > I've been running a trial of automated AI code review on
>>>>> new
>>>>> > >> > >>>> apache/spark
>>>>> > >> > >>>> > PRs, and I'd like to share how it works and get your
>>>>> feedback.
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > For now the reviews are posted from my own GitHub account
>>>>> > >> > >>>> (@HyukjinKwon)
>>>>> > >> > >>>> > while I check that it behaves well. Once it's proven, I
>>>>> plan to
>>>>> > >> move
>>>>> > >> > >>>> it to
>>>>> > >> > >>>> > the https://github.com/spark-test account, so the
>>>>> reviews are
>>>>> > >> clearly
>>>>> > >> > >>>> > separate from my personal ones. I plan to run this for
>>>>> the next
>>>>> > >> week.
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > *What it does*
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > Each review is a full, multi-pass review of the PR diff,
>>>>> run by
>>>>> > >> Claude
>>>>> > >> > >>>> > (via Claude Code). Findings are checked against the code
>>>>> before
>>>>> > >> > >>>> they're
>>>>> > >> > >>>> > posted. They're posted as a normal GitHub review: a short
>>>>> > >> summary plus
>>>>> > >> > >>>> > inline comments, each labeled with a severity, e.g.
>>>>> "Non-blocking
>>>>> > >> > >>>> (P2)"
>>>>> > >> > >>>> > or "Nit (P3)". Example:
>>>>> > >> > >>>> >
>>>>> > >> > >>>>
>>>>> > >>
>>>>> https://github.com/apache/spark/pull/59184#pullrequestreview-5379759787
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > *No LGTM, no approvals*
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > - It never approves a PR and never posts "LGTM". Every
>>>>> review is
>>>>> > >> a
>>>>> > >> > >>>> plain
>>>>> > >> > >>>> >   "Comment" review, so it doesn't count as an approval
>>>>> or a
>>>>> > >> change
>>>>> > >> > >>>> >   request, and it has no effect on merging.
>>>>> > >> > >>>> > - If a review finds nothing new, it posts nothing at
>>>>> all: no "no
>>>>> > >> > >>>> >   findings" or "all comments addressed" message.
>>>>> > >> > >>>> > - It doesn't push commits or edit anyone's PR.
>>>>> > >> > >>>> > - Human review and committer judgement are unchanged.
>>>>> Please
>>>>> > >> treat its
>>>>> > >> > >>>> >   comments like any other reviewer's: feel free to push
>>>>> back or
>>>>> > >> > >>>> ignore.
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > *When a review is triggered*
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > - A new PR is reviewed shortly after it's opened. Draft
>>>>> PRs are
>>>>> > >> > >>>> reviewed
>>>>> > >> > >>>> >   once they're marked ready for review.
>>>>> > >> > >>>> > - After a review posts findings, the bot waits. It
>>>>> reviews again
>>>>> > >> only
>>>>> > >> > >>>> >   when the author pushes new commits.
>>>>> > >> > >>>> > - It also waits while a PR has open review comments from
>>>>> anyone
>>>>> > >> that
>>>>> > >> > >>>> are
>>>>> > >> > >>>> >   newer than the latest commit, so it doesn't pile on
>>>>> while the
>>>>> > >> > >>>> author is
>>>>> > >> > >>>> >   still responding to reviewers.
>>>>> > >> > >>>> > - Replying in a thread without pushing doesn't trigger a
>>>>> > >> re-review.
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > *When it stops*
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > - When a review finds nothing new. The PR gets a fresh
>>>>> review if
>>>>> > >> the
>>>>> > >> > >>>> >   author pushes again later.
>>>>> > >> > >>>> > - When the PR is merged or closed.
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > *Early numbers*
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > Over the first ~12 hours (Oct 1), it covered 10 PRs,
>>>>> including 5
>>>>> > >> > >>>> > re-reviews after the author pushed. It posted 7 reviews
>>>>> with 14
>>>>> > >> > >>>> findings
>>>>> > >> > >>>> > in total, mostly P3 nits. Four PRs came back clean and
>>>>> got no
>>>>> > >> comment.
>>>>> > >> > >>>> > Several authors pushed fixes, and the follow-up reviews
>>>>> found
>>>>> > >> nothing
>>>>> > >> > >>>> > new.
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > *Feedback*
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > Please let me know if the comments are useful, noisy, or
>>>>> wrong,
>>>>> > >> either
>>>>> > >> > >>>> > here or on the PR. If you'd rather it not review your
>>>>> PRs, tell
>>>>> > >> me and
>>>>> > >> > >>>> > I'll exclude them. I'm also happy to adjust when it
>>>>> triggers
>>>>> > >> based on
>>>>> > >> > >>>> > what the community prefers.
>>>>> > >> > >>>> >
>>>>> > >> > >>>> > Thanks,
>>>>> > >> > >>>> > Hyukjin
>>>>> > >> > >>>> >
>>>>> > >> > >>>>
>>>>> > >> > >>>>
>>>>> > >>
>>>>> ---------------------------------------------------------------------
>>>>> > >> > >>>> To unsubscribe e-mail: [email protected]
>>>>> > >> > >>>>
>>>>> > >> > >>>>
>>>>> > >> >
>>>>> > >>
>>>>> > >>
>>>>> ---------------------------------------------------------------------
>>>>> > >> To unsubscribe e-mail: [email protected]
>>>>> > >>
>>>>> > >>
>>>>> >
>>>>>
>>>>> ---------------------------------------------------------------------
>>>>> To unsubscribe e-mail: [email protected]
>>>>>
>>>>>
>>
>> --
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