Thanks, Sophie. Commits for all 3 issues mentioned earlier have been backported to the `2.6` branch.
On Fri, Feb 19, 2021 at 2:08 PM Sophie Blee-Goldman <sop...@confluent.io> wrote: > Thanks Randall. I think all three of those seem important and should be > merged back to the 2.6 branch. > > On Fri, Feb 19, 2021 at 10:01 AM Randall Hauch <rha...@gmail.com> wrote: > > > Hi, Sophie. > > > > I have three new blockers related to a previous fix applied since 2.6.1 > > that I'd like to merge to the 2.6 branch: > > * https://issues.apache.org/jira/browse/KAFKA-12340 -- potential > resource > > leak for Kafka*BackingStores used in Connect; PR is already approved and > in > > trunk > > * https://issues.apache.org/jira/browse/KAFKA-12339 -- may cause Connect > > worker to fail upon creation of internal topic (race condition); PR will > > likely be approved shortly > > * https://issues.apache.org/jira/browse/KAFKA-12343 -- Connect fails to > > read internal topics on AK 0.10.x; PR will likely be approved shortly > > > > Please let me know if it's okay to merge these to the 2.6 branch for > > inclusion in 2.6.2. Thanks! > > > > Randall > > > > On Fri, Feb 12, 2021 at 11:35 PM Randall Hauch <rha...@gmail.com> wrote: > > > > > This fix is merged and backported. Thanks! > > > > > > Best regards, > > > > > > Randall > > > > > > On Fri, Feb 12, 2021 at 12:22 PM Randall Hauch <rha...@gmail.com> > wrote: > > > > > >> Hi, Sophie: > > >> > > >> David J. has found a regression in MirrorMaker 2 that prevents the MM2 > > >> executable from starting: > > >> https://issues.apache.org/jira/browse/KAFKA-12326. This was caused > by a > > >> recent fix of mine (https://issues.apache.org/jira/browse/KAFKA-10021 > ) > > >> and is a serious regression limited to the MirrorMaker 2 executable. I > > have > > >> a one-line PR to fix the regression ( > > >> https://github.com/apache/kafka/pull/10122) and have verified it > > >> corrects the MM2 executable. Once the PR is approved and with your > > >> approval, I can cherry-pick to the `2.6` branch. > > >> > > >> Best regards, > > >> > > >> Randall > > >> > > >> On Wed, Feb 10, 2021 at 12:43 PM Sophie Blee-Goldman < > > sop...@confluent.io> > > >> wrote: > > >> > > >>> Ok, thanks for the update! > > >>> > > >>> On Wed, Feb 10, 2021 at 1:06 AM Luke Chen <show...@gmail.com> wrote: > > >>> > > >>> > Hi Ismael & Sophie, > > >>> > Sorry, after some investigation, I think this might not be a > defect. > > To > > >>> > work with the project with a specific scala version, user might > need > > >>> to use > > >>> > the same version as the project used. This issue also happened on > > other > > >>> > projects using scala, ex: Spark. ref: > > >>> https://stackoverflow.com/a/61677956 > > >>> > . > > >>> > > > >>> > So, you can continue to cut the rc. > > >>> > > > >>> > Thank you very much. > > >>> > Luke > > >>> > > > >>> > On Wed, Feb 10, 2021 at 11:19 AM Luke Chen <show...@gmail.com> > > wrote: > > >>> > > > >>> > > I just saw the defect KAFKA-12312 > > >>> > > <https://issues.apache.org/jira/browse/KAFKA-12312>, so I > brought > > >>> it to > > >>> > > your attention. > > >>> > > Do you think it's not a compatibility issue? If not, I think we > > don't > > >>> > need > > >>> > > to cherry-pick the fix. > > >>> > > > > >>> > > Thanks. > > >>> > > Luke > > >>> > > > > >>> > > On Wed, Feb 10, 2021 at 11:16 AM Ismael Juma <ism...@juma.me.uk> > > >>> wrote: > > >>> > > > > >>> > >> It's a perf improvement, there was no regression. I think Luke > > >>> needs to > > >>> > be > > >>> > >> clearer how this impacts users. Luke, are you referring to cases > > >>> where > > >>> > >> someone runs the broker in an embedded scenario (eg tests)? > > >>> > >> > > >>> > >> Ismael > > >>> > >> > > >>> > >> On Tue, Feb 9, 2021, 6:50 PM Sophie Blee-Goldman < > > >>> sop...@confluent.io> > > >>> > >> wrote: > > >>> > >> > > >>> > >> > What do you think Ismael? I agreed initially because I saw the > > >>> commit > > >>> > >> > message says it fixes a performance regression. But > admittedly I > > >>> don't > > >>> > >> have > > >>> > >> > much context on this particular issue > > >>> > >> > > > >>> > >> > If it's low risk then I don't have a strong argument against > > >>> including > > >>> > >> it. > > >>> > >> > However > > >>> > >> > I aim to cut the rc tomorrow or Thursday, and if it hasn't > been > > >>> > >> > cherrypicked by then > > >>> > >> > I won't block the release on it. > > >>> > >> > > > >>> > >> > On Tue, Feb 9, 2021 at 4:53 PM Luke Chen <show...@gmail.com> > > >>> wrote: > > >>> > >> > > > >>> > >> > > Hi Ismael, > > >>> > >> > > Yes, I agree it's like an improvement, not a bug. I don't > > >>> insist on > > >>> > >> > putting > > >>> > >> > > it into 2.6, just want to bring it to your attention. > > >>> > >> > > In my opinion, this issue will block users who adopt the > scala > > >>> > 2.13.4 > > >>> > >> or > > >>> > >> > > later to use Kafka 2.6. > > >>> > >> > > So if we still have time, we can consider to cherry-pick the > > fix > > >>> > into > > >>> > >> 2.6 > > >>> > >> > > and 2.7. > > >>> > >> > > > > >>> > >> > > What do you think? > > >>> > >> > > > > >>> > >> > > Thank you. > > >>> > >> > > Luke > > >>> > >> > > > > >>> > >> > > On Wed, Feb 10, 2021 at 3:24 AM Ismael Juma < > > ism...@juma.me.uk> > > >>> > >> wrote: > > >>> > >> > > > > >>> > >> > > > Can you elaborate why this needs to be in 2.6? Seems like > an > > >>> > >> > improvement > > >>> > >> > > > versus a critical bug fix. > > >>> > >> > > > > > >>> > >> > > > Ismael > > >>> > >> > > > > > >>> > >> > > > On Mon, Feb 8, 2021 at 6:39 PM Luke Chen < > show...@gmail.com > > > > > >>> > wrote: > > >>> > >> > > > > > >>> > >> > > > > Hi Sophie, > > >>> > >> > > > > I found there is 1 issue that should be cherry-picked > into > > >>> 2.6 > > >>> > and > > >>> > >> > 2.7 > > >>> > >> > > > > branches: KAFKA-12312 < > > >>> > >> > > https://issues.apache.org/jira/browse/KAFKA-12312 > > >>> > >> > > > >. > > >>> > >> > > > > Simply put, *Scala* *2.13.4* is released at the end of > > >>> 2020, and > > >>> > >> we > > >>> > >> > > > > upgraded to it and fixed some compatible issues on this > PR > > >>> > >> > > > > <https://github.com/apache/kafka/pull/9643>, more > > >>> specifically, > > >>> > >> it's > > >>> > >> > > > here > > >>> > >> > > > > < > > >>> > >> > > > > > > >>> > >> > > > > > >>> > >> > > > > >>> > >> > > > >>> > >> > > >>> > > > >>> > > > https://github.com/apache/kafka/pull/9643/files#diff-fda3fb44e69a19600913bd951431fb0035996c76325b1c1d84d6f34bec281205R292 > > >>> > >> > > > > > > > >>> > >> > > > > . > > >>> > >> > > > > We only merged this fix on *trunk*(which will be on > 2.8), > > >>> but we > > >>> > >> > didn't > > >>> > >> > > > > tell users (or we didn't know there'll be compatible > > >>> issues) not > > >>> > >> to > > >>> > >> > > adopt > > >>> > >> > > > > the latest *Scala* *2.13.4*. > > >>> > >> > > > > > > >>> > >> > > > > Therefore, I think we should cherry-pick this fix into > 2.6 > > >>> and > > >>> > 2.7 > > >>> > >> > > > > branches. What do you think? > > >>> > >> > > > > > > >>> > >> > > > > Thank you. > > >>> > >> > > > > Luke > > >>> > >> > > > > > > >>> > >> > > > > > > >>> > >> > > > > > > >>> > >> > > > > > > >>> > >> > > > > > > >>> > >> > > > > On Tue, Feb 9, 2021 at 3:10 AM Sophie Blee-Goldman < > > >>> > >> > > sop...@confluent.io> > > >>> > >> > > > > wrote: > > >>> > >> > > > > > > >>> > >> > > > > > Hey all, > > >>> > >> > > > > > > > >>> > >> > > > > > Since all outstanding bugfixes seem to have made their > > way > > >>> > over > > >>> > >> to > > >>> > >> > > the > > >>> > >> > > > > 2.6 > > >>> > >> > > > > > branch by now, I plan to move ahead with cutting an > RC. > > As > > >>> > >> always, > > >>> > >> > > > please > > >>> > >> > > > > > let me know if you uncover and critical or blocker > bugs > > >>> that > > >>> > >> affect > > >>> > >> > > 2.6 > > >>> > >> > > > > > > > >>> > >> > > > > > Thanks! > > >>> > >> > > > > > Sophie > > >>> > >> > > > > > > > >>> > >> > > > > > On Thu, Jan 28, 2021 at 9:25 AM John Roesler < > > >>> > >> vvcep...@apache.org> > > >>> > >> > > > > wrote: > > >>> > >> > > > > > > > >>> > >> > > > > > > Thanks so much for stepping up, Sophie! > > >>> > >> > > > > > > > > >>> > >> > > > > > > I'm +1 > > >>> > >> > > > > > > > > >>> > >> > > > > > > -John > > >>> > >> > > > > > > > > >>> > >> > > > > > > On Wed, 2021-01-27 at 17:59 -0500, Bill Bejeck > wrote: > > >>> > >> > > > > > > > Thanks for taking this on Sophie. +1 > > >>> > >> > > > > > > > > > >>> > >> > > > > > > > Bill > > >>> > >> > > > > > > > > > >>> > >> > > > > > > > On Wed, Jan 27, 2021 at 5:59 PM Ismael Juma < > > >>> > >> ism...@juma.me.uk > > >>> > >> > > > > >>> > >> > > > > wrote: > > >>> > >> > > > > > > > > > >>> > >> > > > > > > > > Thanks Sophie! +1 > > >>> > >> > > > > > > > > > > >>> > >> > > > > > > > > Ismael > > >>> > >> > > > > > > > > > > >>> > >> > > > > > > > > On Wed, Jan 27, 2021 at 2:45 PM Sophie > > Blee-Goldman > > >>> < > > >>> > >> > > > > > > sop...@confluent.io> > > >>> > >> > > > > > > > > wrote: > > >>> > >> > > > > > > > > > > >>> > >> > > > > > > > > > Hi all, > > >>> > >> > > > > > > > > > > > >>> > >> > > > > > > > > > I'd like to volunteer as release manager for a > > >>> 2.6.2 > > >>> > >> > release. > > >>> > >> > > > > This > > >>> > >> > > > > > is > > >>> > >> > > > > > > > > being > > >>> > >> > > > > > > > > > accelerated > > >>> > >> > > > > > > > > > to address a critical regression in Kafka > > Streams > > >>> for > > >>> > >> > Windows > > >>> > >> > > > > > users. > > >>> > >> > > > > > > > > > > > >>> > >> > > > > > > > > > You can find the release plan on the wiki: > > >>> > >> > > > > > > > > > > > >>> > >> > > > > > > > >>> > >> > > > >>> https://cwiki.apache.org/confluence/display/KAFKA/Release+Plan+2.6.2 > > >>> > >> > > > > > > > > > > > >>> > >> > > > > > > > > > Thanks, > > >>> > >> > > > > > > > > > Sophie > > >>> > >> > > > > > > > > > > > >>> > >> > > > > > > > > > > >>> > >> > > > > > > > > >>> > >> > > > > > > > > >>> > >> > > > > > > > > >>> > >> > > > > > > > >>> > >> > > > > > > >>> > >> > > > > > >>> > >> > > > > >>> > >> > > > >>> > >> > > >>> > > > > >>> > > > >>> > > >> > > >