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From Stack <st...@duboce.net>
Subject Re: [DISCUSS] Rolling Upgrade 0.98 -> 1.1
Date Tue, 28 Apr 2015 18:27:27 GMT
On Tue, Apr 28, 2015 at 10:16 AM, Nick Dimiduk <ndimiduk@apache.org> wrote:

> We're pretty late in the game to bring this up, but I want to make sure
> we're all on the same page. I believe we want to support rolling upgrades
> as there have been blocker tickets opened against the release to this
> effect. The two things I'm aware of that cause problems here are table
> state in meta (HBASE-13017) and distributed log replay (HBASE-12577). Are
> there any others we should be aware of? When I search for "Hadoop Flags:
> Incompatible change" [0] I do get a couple hits, but I don't think this
> flag is well socialized.
> Given the resolution outlined for table states, I'm prone to punt this one
> to 1.2.
> For DLR, we have HBASE-12743 opened without clear progress. Devaraj also
> mentioned to me that he's been tracking troubles around this feature his
> test runs. Unless someone wants to crack this nut today or tomorrow, I
> think we should toggle it off. HBASE-13584.
> Let me substitute HBASE-13567 for HBASE-12743 (since resolved for
HBASE-13567). I own it. Not sure I will have a fix by tomorrow.

> Other items?
> Thanks,
> Nick
> [0]:
> https://issues.apache.org/jira/issues/?jql=project%20%3D%20HBASE%20AND%20fixVersion%20%3D%201.1.0%20AND%20%22Hadoop%20Flags%22%20%3D%20%22Incompatible%20change%22

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