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HBase >> mail # dev >> 0.94.6.1 discussion (WAS [jira] [Commented] (HBASE-8259) Snapshot backport in 0.94.6 breaks rolling restarts)


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Jean-Daniel Cryans 2013-04-04, 17:21
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lars hofhansl 2013-04-04, 17:37
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Jean-Marc Spaggiari 2013-04-04, 17:47
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Ted Yu 2013-04-04, 17:28
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Jean-Daniel Cryans 2013-04-04, 17:51
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Stack 2013-04-04, 18:09
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lars hofhansl 2013-04-04, 18:12
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lars hofhansl 2013-04-04, 18:15
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lars hofhansl 2013-04-04, 18:19
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Stack 2013-04-04, 18:37
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lars hofhansl 2013-04-04, 18:40
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Jonathan Hsieh 2013-04-04, 18:41
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lars hofhansl 2013-04-04, 19:03
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Andrew Purtell 2013-04-04, 19:10
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Jean-Marc Spaggiari 2013-04-04, 19:26
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Jesse Yates 2013-04-04, 19:22
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Re: 0.94.6.1 discussion (WAS [jira] [Commented] (HBASE-8259) Snapshot backport in 0.94.6 breaks rolling restarts)
My vote is release 0.94.6.1 with just this one fix _and_ pull 0.94.6(.0)
On Thu, Apr 4, 2013 at 11:12 AM, lars hofhansl <[EMAIL PROTECTED]> wrote:

> Pulling 0.94.6 is another option.
>
>
>
> ________________________________
>  From: Stack <[EMAIL PROTECTED]>
> To: HBase Dev List <[EMAIL PROTECTED]>
> Sent: Thursday, April 4, 2013 11:09 AM
> Subject: Re: 0.94.6.1 discussion (WAS [jira] [Commented] (HBASE-8259)
> Snapshot backport in 0.94.6 breaks rolling restarts)
>
> +1 on 0.94.7 rather than 0.94.6.1.
>
> Chatting w/ JD and Aleks, we should pull 0.94.6.  I can add note up on
> webpage to explain the hole.
>
> Can I help w/ the 0.94.7 rolling?
>
> St.Ack
>
>
> On Thu, Apr 4, 2013 at 10:51 AM, Jean-Daniel Cryans <[EMAIL PROTECTED]
> >wrote:
>
> > My problem with delaying getting this patch out there is that people
> > who adopt 0.94.6 are putting themselves in a hole because you also
> > can't roll restart out of it.
> >
> > J-D
> >
> > On Thu, Apr 4, 2013 at 10:28 AM, Ted Yu <[EMAIL PROTECTED]> wrote:
> > > Third 0.94.6 RC was cut on Mar. 14th.
> > > It has been almost 3 weeks since them. Meaning we have sizable goodies
> > for
> > > the next release.
> > >
> > > I would vote for 0.94.7 release which would come in April anyway.
> > >
> > >
> > > On Thu, Apr 4, 2013 at 10:21 AM, Jean-Daniel Cryans <
> [EMAIL PROTECTED]
> > >wrote:
> > >
> > >> We might wanna bring this discussion here on dev@.
> > >>
> > >> So right now the questions are:
> > >>
> > >>  - Should we call a release with just HBASE-8259 as 0.94.6.1 or
> > >> 0.94.7? How much testing are we expecting from folks?
> > >>  - Should we just cut a release with what's in the branch and call it
> > >> 0.94.7?
> > >>
> > >> My opinion is to release 0.94.6.1 with just HBASE-8259 to replace the
> > >> current 0.94.6. Have the normal unit test run and release based on the
> > >> +1s we gather.
> > >>
> > >> J-D
> > >>
> > >> On Thu, Apr 4, 2013 at 10:01 AM, Ted Yu (JIRA) <[EMAIL PROTECTED]>
> wrote:
> > >> >
> > >> >     [
> > >>
> >
> https://issues.apache.org/jira/browse/HBASE-8259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13622514#comment-13622514
> > ]
> > >> >
> > >> > Ted Yu commented on HBASE-8259:
> > >> > -------------------------------
> > >> >
> > >> > What level of verification effort are you expecting ?
> > >> > If normal procedure of validating a release is involved, 0.94.7
> > release
> > >> seems to be a better fit.
> > >> >
> > >> >> Snapshot backport in 0.94.6 breaks rolling restarts
> > >> >> ---------------------------------------------------
> > >> >>
> > >> >>                 Key: HBASE-8259
> > >> >>                 URL:
> > https://issues.apache.org/jira/browse/HBASE-8259
> > >> >>             Project: HBase
> > >> >>          Issue Type: Bug
> > >> >>    Affects Versions: 0.94.6
> > >> >>            Reporter: Jean-Daniel Cryans
> > >> >>            Assignee: Matteo Bertozzi
> > >> >>            Priority: Blocker
> > >> >>             Fix For: 0.94.7
> > >> >>
> > >> >>         Attachments: HBASE-8259-v0.patch
> > >> >>
> > >> >>
> > >> >> [~aleksshulman] found with his nifty QA tools that 0.94.6 has an
> > >> incompatible change due to HBASE-7360 (Snapshot 0.94 Backport) that
> > breaks
> > >> rolling restarts.
> > >> >> RegionTransitionData.write() uses eventType.ordinal() that is the
> > index
> > >> in the enum and not the value specified in the enum definition. It
> > means we
> > >> can't add new states in the middle of the list. This can be fixed by
> > moving
> > >> C_M_SNAPSHOT_TABLE and C_M_RESTORE_SNAPSHOT at the end of the list.
> > Trunk
> > >> does the right thing already.
> > >> >> Right now, RIT znodes created with 0.94.6 (or top of the branch)
> will
> > >> use the wrong value for the event type. You will see things like:
> > >> >> {noformat}
> > >> >> 2013-04-03 14:57:25,197 DEBUG
> > >> org.apache.hadoop.hbase.zookeeper.ZKAssign:
> > >> regionserver:60020-0x13dd1e10dbd0004 Attempting to transition node

Best regards,

   - Andy

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