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From Andrew Purtell <apurt...@apache.org>
Subject Re: Branch 1.4 update
Date Wed, 04 Oct 2017 23:51:32 GMT
> What ever happened to the issue that was keeping 1.3 from becoming the
stable release line? That still outstanding for 1.4 too?


Let me provide some context.

The root issue was fallout from a locking change introduced just prior to
release of 1.3. That change was HBASE-13082. Lars H proposed a change. It
was committed to trunk but quickly reverted. After the revert Lars decided
to drop the work rather than fix it for reapplication. However, the work
was picked up by others and eventually found its way into branch-1, then
branch-1.3, then 1.3.x releases. There were unintended side effects,
causing bugs. The umbrella issue HBASE-18397 tracks a bunch of fix work the
community has done since. The last known bug fix was HBASE-18771, found and
fixed by our Abhishek. The last known change I know of was work I did on
HBASE-18786 to remove some dodgy exception handling (prefer aborts to
silent data corruption). Is this enough to move the stable pointer?
According to our testing at Salesforce, yes, so far. We have yet to run in
full production. Give us a few months of that and my answer will be
unconditional one way or another. According to some offline conversation
with Mikhail and Gary, the answer is in fact no, they still have one hairy
use case causing occasional problems that look like more of this, but that
feedback predates HBASE-18771.

On Wed, Oct 4, 2017 at 4:23 PM, Sean Busbey <busbey@apache.org> wrote:

> Sounds great to me. Would love to see more feedback on the utility of the
> rsgroups feature.
> What ever happened to the issue that was keeping 1.3 from becoming the
> stable release line? That still outstanding for 1.4 too?
> On Oct 4, 2017 16:24, "Andrew Purtell" <apurtell@apache.org> wrote:
> > I had hoped to make a release candidate of 1.4.0 a long time ago when I
> > first made the branch, but work/life intervened. Sorry it has been slow
> > going.
> >
> > I've been making some test fixes to shore up unit test suite results.
> >
> > As far as big items, at this point a candidate 1.4.0 is only waiting on
> > HBASE-15631 (https://reviews.apache.org/r/60672/). I had to go away for
> > work for a while but am now back pushing that forward. For me as
> branch-1.4
> > RM regionserver assignment groups is the must have feature for the 1.4
> code
> > line. If anyone has a strong feeling against this, let's discuss it now.
> I
> > have asked before and I believe there are no objections to doing the
> > backport because the functional changes are entirely contained to the new
> > hbase-rsgroups module.
> >
> > Once HBASE-15631 is resolved I will be able to make a RC. This should be
> > soon. I've addressed all of the review feedback up on RB and anticipate
> > only minor additional changes to fix any issues discovered during unit
> and
> > cluster testing.
> >
> > --
> > Best regards,
> > Andrew
> >

Best regards,

Words like orphans lost among the crosstalk, meaning torn from truth's
decrepit hands
   - A23, Crosstalk

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