Releasing HBase 3 snapshots off master would be fine by me.
> On Jan 3, 2020, at 7:37 PM, Sean Busbey <[email protected]> wrote: > > A while back I offered to start making hbase 3 alpha releases so we had > something we could all refer to in test environments. That offer still > stands. > > > I personally would still rather those releases be off of the master branch > because we still have too many branches given our tooling for backports. > >> On Fri, Jan 3, 2020, 21:30 Andrew Purtell <[email protected]> wrote: >> >> Why not start a branch-3 and begin SNAPSHOT releasing of this branch right >> now? >> >> +1 to dropping Hadoop 2 support in HBase 3. We need the major increment to >> make this kind of change, let’s take the opportunity. >> >> Regarding Hadoop 2, the discussion I have seen indicates Hadoop thinks it >> will be releasing 2.x for up to two more years. I don’t know how many >> releases there will actually be but let’s assume at least one more 2.9, and >> a few 2.10. My employer is expected to use these versions along a >> transition path to 3.x for at least the next eighteen months. We are >> probably typical. We won’t need Hadoop 2 support for a HBase 3 but will >> need it for HBase 1 and HBase 2 for “a couple years”. >> >>>> On Jan 3, 2020, at 6:52 PM, Sean Busbey <[email protected]> wrote: >>> >>> I personally like having Hadoop 2 support still, but I agree the cadence >>> out of Hadoop has been problematic. >>> >>> I would prefer we not change the state of Hadoop support in the master >>> branch until we have a release plan of some kind for HBase 3. I'd rather >>> that be sooner rather than later. >>> >>>> On Fri, Jan 3, 2020, 18:08 张铎(Duo Zhang) <[email protected]> wrote: >>>> >>>> Support Hadoop 2.x in 3.0.0 means we need to carry it over the whole 3.x >>>> release lines, which seems to be a problem since the Hadoop community do >>>> not want to new 2.x release line any more... >>>> >>>> Nick Dimiduk <[email protected]>于2020年1月4日 周六06:55写道： >>>> >>>>> On Wed, Dec 25, 2019 at 5:38 PM 张铎(Duo Zhang) <[email protected]> >>>>> wrote: >>>>> >>>>>> We will only remove the hadoop 2.x support from hbase 3.x, which does >>>> not >>>>>> have a formal release plan yet, for 2.x we will still support hadoop >>>> 2.x. >>>>>> >>>>> >>>>> Indeed there is no formal release plan for HBase-3.0, but I hope it's >>>>> sooner than 2+ years away! What's the motivation for dropping Hadoop2 >>>>> support? >>>>> >>>>> Wei-Chiu Chuang <[email protected]> 于2019年12月26日周四 上午8:57写道： >>>>>> >>>>>>> With my Hadoop hat's on, we have not yet officially declared Hadoop >>>> 2.8 >>>>>>> EOL. I think the 2.8 download missing from the web page is just a >>>>>> mistake. >>>>>>> >>>>>>> That being said, some of the biggest Hadoop users (LinkedIn, Yahoo, >>>>>>> Microsoft) that I am aware of are moving up from 2.7/2.8 to 2.10, and >>>>>> that >>>>>>> 2.8.5 (the last version in the 2.8 line) was released in Sep 2018, >>>> more >>>>>>> than a year ago. It doesn't look like the community has the desire to >>>>>>> continue the 2.8 line. >>>>>>> >>>>>>> I think it is a little extreme to remove hadoop2 profile, given that >>>>>> Hadoop >>>>>>> 2.9 and 2.10 are still active and I expect Hadoop 2 to stay around >>>> for >>>>> at >>>>>>> least 2 years out. >>>>>>> >>>>>>> On Thu, Dec 26, 2019 at 8:41 AM 张铎(Duo Zhang) <[email protected] >>>>> >>>>>>> wrote: >>>>>>> >>>>>>>> Hadoop 2.8.x has been removed from the download page of hadoop so I >>>>>> think >>>>>>>> it is time to bump the hadoop dependency to 2.9.x, on master an >>>>>> branch-2. >>>>>>>> >>>>>>>> And the hadoop community is going to make 2.10.x the last minor >>>>> release >>>>>>>> line for 2.x >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>> >>>> >> https://lists.apache.org/thread.html/cab84265d632b90d66dcd1ad957a7439a2c76a987c7e62feafb4812e%40%3Ccommon-dev.hadoop.apache.org%3E >>>>>>>> >>>>>>>> >>>>>>>> I think this is a sign that the community is moving forward to 3.x. >>>>> So >>>>>> I >>>>>>>> propose we make the master branch hadoop3 only, This requires >>>>> changing >>>>>>> the >>>>>>>> pom a bit to active hadoop3 profile by default and remove the >>>> hadoop2 >>>>>>>> profile. >>>>>>>> >>>>>>>> Thoughts? Thanks. >>>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>
