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From Andrew Purtell <apurt...@apache.org>
Subject Re: [VOTE] The 1st HBase 0.98.16 release candidate (RC0) is available
Date Wed, 18 Nov 2015 19:37:17 GMT
We can't do another RC because there's already been a release, but I have a
patch release in the works.

On Wed, Nov 18, 2015 at 11:00 AM, Enis Söztutar <enis@apache.org> wrote:

> Thanks Elliott,
>
> I was trying to understand how come the patch for HBASE-14689
> <https://issues.apache.org/jira/browse/HBASE-14689> was causing an issue
> in
> 1.1, but not in 0.98. I was not able to reproduce the condition. It looks
> to be a deadlock condition caused by un-ordered acquisition of row locks (
>
> https://issues.apache.org/jira/browse/HBASE-14689?focusedCommentId=15010417&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15010417
> ).
>
> Andrew, also in 0.98, we do not have any guarantee for the lock order in
> doMiniBatchMutation(), so I think it is safest to roll another RC although
> we cannot reproduce the deadlock.
>
> Enis
>
>
> On Wed, Nov 18, 2015 at 9:07 AM, Andrew Purtell <andrew.purtell@gmail.com>
> wrote:
>
> > This makes me nervous so I am going to make a patch release that is the
> > 0.98.16 change set plus this one revert. Let me do that today. Appreciate
> > it if we can get a quick turn around on voting. I'll aim for 72 hours.
> >
> >
> > > On Nov 17, 2015, at 8:47 PM, Enis Söztutar <enis.soz@gmail.com> wrote:
> > >
> > > Thanks Andrew,
> > >
> > > Maybe we can hold off the release announcement at least, and wait until
> > we
> > > investigate further. I'll look at the batching and how row locks are
> > > different between 0.98 and branch-1 tomorrow.
> > >
> > > Enis
> > >
> > > On Tue, Nov 17, 2015 at 8:31 PM, Andrew Purtell <
> > andrew.purtell@gmail.com>
> > > wrote:
> > >
> > >> Thanks Enis. Appreciate the investigation.
> > >>
> > >> Yes I did release this. We can make a patch release though if needed.
> > >>
> > >>
> > >>> On Nov 17, 2015, at 8:04 PM, Enis Söztutar <enis.soz@gmail.com>
> wrote:
> > >>>
> > >>> I have tried the same pe command without small values, and cannot
> > >> reproduce
> > >>> the row lock issue in this RC.
> > >>>
> > >>> Setup is single node with default settings, using a single SSD.
> > >>>
> > >>> bin/hbase pe  --latency --nomapred --presplit=10  randomWrite 10
> > >>> This same exact command, I can reproduce the hang in 1.0.3RC and
> > 1.1.3RC.
> > >>>
> > >>> Enis
> > >>>
> > >>>> On Tue, Nov 17, 2015 at 7:44 PM, Enis Söztutar <enis.soz@gmail.com>
> > >> wrote:
> > >>>>
> > >>>> Andrew did you push the artifacts yet?
> > >>>>
> > >>>> Let me see whether this RC is also affected by
> > >>>> https://issues.apache.org/jira/browse/HBASE-14689
> > >>>>
> > >>>> Enis
> > >>>>
> > >>>> On Tue, Nov 17, 2015 at 12:35 PM, Andrew Purtell <
> apurtell@apache.org
> > >
> > >>>> wrote:
> > >>>>
> > >>>>> With three +1 votes and no 0 or -1 votes, this vote passes
and we
> > have
> > >>>>> 0.98.16. I will send the artifacts onward for distribution
and send
> > >> out a
> > >>>>> release announcement shortly.
> > >>>>>
> > >>>>> Thanks to all who voted on this candidate.
> > >>>>>
> > >>>>>
> > >>>>> On Tue, Nov 10, 2015 at 10:31 AM, Andrew Purtell <
> > apurtell@apache.org>
> > >>>>> wrote:
> > >>>>>
> > >>>>>>
> > >>>>>> The 1st HBase 0.98.16 release candidate (RC0) is available
for
> > >> download
> > >>>>> at
> > >>>>>> http://people.apache.org/~apurtell/0.98.16RC0/ and Maven
> artifacts
> > >> are
> > >>>>>> also available in the temporary repository
> > >>
> https://repository.apache.org/content/repositories/orgapachehbase-1118/
> > >>>>> .
> > >>>>>>
> > >>>>>> This release does not contain a doc update. Usually I copy
back
> docs
> > >>>>> from
> > >>>>>> master. This time I encountered a build error, reported
on
> > >> HBASE-14792.
> > >>>>>> This isn't a critical (or even major) issue for any given
release
> > >> since
> > >>>>> doc
> > >>>>>> updates for 0.98 are rare now, but should be fixed for
the next
> > >> release.
> > >>>>>>
> > >>>>>> The API compatibility report with respect to the previous
release
> > can
> > >> be
> > >>>>>> found at
> > >>
> > http://people.apache.org/~apurtell/0.98.15_0.98.16RC0_compat_report.html
> > >>>>> .
> > >>>>>> There are no reported binary or source compatibility issues
with
> > >>>>>> user facing public or LimitedPrivate interfaces. Users
should not
> be
> > >>>>>> implementing the HConnection interface so will not be impacted
by
> > the
> > >>>>>> addition of a new abstract method.
> > >>>>>>
> > >>>>>> Signed with my code signing key D5365CCD.
> > >>>>>>
> > >>>>>> The 47 issues resolved in this release can be found at
> > >>>>>> http://s.apache.org/Xbv .
> > >>>>>>
> > >>>>>> Please try out the candidate and vote +1/0/-1. This vote
will be
> > open
> > >>>>> for
> > >>>>>> at least 72 hours. Unless objection I will try to close
it Monday
> > >>>>> October
> > >>>>>> 16, 2015 if we have sufficient votes. Three +1 votes from
PMC will
> > be
> > >>>>>> required to release.
> > >>>>>
> > >>>>> --
> > >>>>> Best regards,
> > >>>>>
> > >>>>>  - Andy
> > >>>>>
> > >>>>> Problems worthy of attack prove their worth by hitting back.
- Piet
> > >> Hein
> > >>>>> (via Tom White)
> > >>
> >
>



-- 
Best regards,

   - Andy

Problems worthy of attack prove their worth by hitting back. - Piet Hein
(via Tom White)

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