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From Andor Molnar <an...@cloudera.com.INVALID>
Subject Re: Re: ZooKeeper 3.5 blocker issues
Date Mon, 10 Sep 2018 12:19:14 GMT

I'm happy to ignore 1549, 2846 and 2930. Still we have the list of:

- ZOOKEEPER-236 (SSL/TLS support for Atomic Broadcast protocol)
- ZOOKEEPER-1818 (Fix don't care for trunk)
- ZOOKEEPER-2418 (txnlog diff sync can skip sending some transactions to
- ZOOKEEPER-2778 (Potential server deadlock between follower sync with
leader and follower receiving external connection requests.)

SSL (ZK-236) is a feature which essential for the 3.5 release, hence I
wouldn't leave it out or postpone it for the next stable release. PR has
been out for a long time, get on reviewing please.
The rest are also long outstanding issues which have been found in the 3.5
ZK-1818 is something which was found in 3.4 and fixed in 3.4, but never has
been fixed in 3.5. Quite a serious issue if still present.

I think we should at least run some manual testing and see if we could
repro any of these issues before going ahead with a stable release.


On Fri, Sep 7, 2018 at 3:24 AM, Michael Han <hanm@apache.org> wrote:

> I haven't went through the entire list, but looks like lots of the JIRA
> issues listed in this thread, such as ZOOKEEPER-1549, 2846, also affects
> 3.4 releases. Should we scope these issues out?
> I think historically the single outstanding blocking issue for a stable 3.5
> release is the reconfig feature and security concerns around it (somehow
> addressed in ZOOKEEPER-2014), and the alpha and beta releases were created
> to stabilize that feature.
> http://zookeeper-user.578899.n2.nabble.com/Zookeeper-with-
> SSL-release-date-tt7581744.html
> So it looks like we are in good shape to release. Something might worth
> doing to claim the quality of 3.5 is on par with 3.4
> * Run Jepsen on 3.5 - 3.4 passed the test for the record
> https://aphyr.com/posts/291-jepsen-zookeeper
> * Fix all flaky tests on 3.5 - 3.4 has little or no flaky tests at all.
> On Tue, Sep 4, 2018 at 1:48 AM, Andor Molnar <andor@cloudera.com.invalid>
> wrote:
> > Thanks Maoling! That would be huge help, I appreciate it.
> >
> > Andor
> >

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