Enis, What you said about backward compatibility makes sense. Since we are planning to remove HiveServer1 support, it makes sense to do that in 1.0. Ending Java 6 support is also something we have been discussing in the mailing list. We can document Java 7 as minimum requirement for 1.0 .
On Wed, Dec 3, 2014 at 2:27 PM, Enis Söztutar <e...@apache.org> wrote: > Hi, > > I am the RM for HBase-1.0 coming in a a couple of weeks (hopefully). I > think both HBase and Hive are past due for doing 1.0 releases. So I am a > major +1 for Hive-1.0 (non-binding of course). > > The important thing for calling something 1.0 I think is the focus on user > level API and compatibility issues. But still, you should think about > future releases and for example when you can do a 1.x release versus 2.x > release. We have started thinking about that some time ago, and we are > adopting a semantic versioning proposal ( > https://mail-archives.apache.org/mod_mbox/hbase-dev/201411.mbox/%3c53115341.900549.1416100552603.javamail.ya...@jws106116.mail.bf1.yahoo.com%3E) > for this exact same reason. In Hive, things may be a bit different than > HBase or Hadoop (since the major interface is SQL) but still I think you > should consider the implications for all the APIs that Hive surfaces and > for deployment, etc for a 1.0 discussion. > > For HBase, the official "theme" of the 1.0 release is (from my RC mail): >> The theme of (eventual) 1.0 release is to >> become a stable base for future 1.x series of releases. 1.0 release will >> aim to achieve at least the same level of stability of 0.98 releases >> without introducing too many new features. > > What I am getting at is that, in HBase, we opted for not introducing a lot > of major features and branched relatively early to give more time to > stabilize the branch. In the end what you want to deliver and market as 1.0 > should be relatively stable in my opinion. Just my 2 cents from an outsider > perspective. > > Enis > > On Tue, Dec 2, 2014 at 11:07 PM, Lefty Leverenz <leftylever...@gmail.com> > wrote: > >> Would everyone just laugh if I suggested that a 1.0 release ought to >> include complete documentation? >> >> >> -- Lefty >> >> On Tue, Dec 2, 2014 at 9:32 PM, Thejas Nair <the...@hortonworks.com> >> wrote: >> >> > The reasons for confusion in the Hadoop case were different. There >> > were many branches, and new features were added in minor version >> > releases, eg kerberos security was not there in "0.20.2", but it was >> > added in "0.20.20x". Then you had other versions like "0.21", but the >> > older "0.20.20x" version was the one that was converted as 1.x. >> > >> > This confusion isn't there in hive. In case of hive, every "0.x" >> > release has been adding new features, and releases have been >> > sequential. "0.x.y" releases have been maintenance releases. 1.0 is a >> > sequential release after 0.14, and it is a newer release than 0.14. I >> > agree that the version in Hadoop created lot of confusion, but I don't >> > see this as being the same. We could check in the user mailing list to >> > see if they are going to be HUGELY confused by this. >> > >> > If it makes things better, we can also include the change to delete >> > HiveServer1 in the new release. That is a safer change, which was >> > mainly just deleting that old code. That would be a major difference >> > from 0.14. (The docs have already been updated to say that 0.14 does >> > not support 0.20, so I don't think we need that in 1.0). >> > >> > Looks like we have agreement that 1.0 versioning scheme is a great >> > thing for hive. I don't think there is a strong reason to delay a 1.0 >> > release by several months to the detriment of hive. >> > >> > >> > On Tue, Dec 2, 2014 at 8:05 PM, Xuefu Zhang <xzh...@cloudera.com> wrote: >> > > Major release means more functionality, while minor releases provides >> > > stability. Therefore, I'd think, 1.0, as a major release, should bring >> in >> > > something new to the user. If it's desirable to provide more stable >> > > release, then 0.14.1, 0.14.2, and so on are the right ones. In my >> > opinion, >> > > we should avoid doing anti-pattern by introducing major release like a >> > > maintenance release and creating confusions among users. >> > > >> > > In one word, major release is NOT equal to major confusion. >> > > >> > > --Xuefu >> > > >> > > On Tue, Dec 2, 2014 at 7:29 PM, Sergey Shelukhin < >> ser...@hortonworks.com >> > > >> > > wrote: >> > > >> > >> I think it's better to do 1.0 release off a maintenance release, since >> > that >> > >> is more stable. Trunk is moving fast. >> > >> HBase uses odd release numbers for this purpose, where 0.95, 97, 99 >> etc. >> > >> are dev releases and 0.96, 0.98, 1.0 etc. are public; that works well >> > for >> > >> baking, but since we don't have that seems like 14.0 would be a good >> > place >> > >> to bake. 15.0 with bunch of new bugs that we are busy introducing may >> > not >> > >> be as good for 1.0 IMHO... >> > >> >> > >> On Tue, Dec 2, 2014 at 7:21 PM, Brock Noland <br...@cloudera.com> >> > wrote: >> > >> >> > >> > Hi Thejas, >> > >> > >> > >> > Thank you very much for your proposal! >> > >> > >> > >> > Hadoop did something similar renaming branches to branch-1 and >> > >> > branch-2. At the time, although I was very much in favor of the new >> > >> > release numbers, I thought it could have been handled better. >> Renaming >> > >> > release branches ended up being very confusing for users and I had a >> > >> > ton of conversations with users about how releases were related. >> > >> > >> > >> > In this situation, I feel the situation is similar, we'll release >> 1.0 >> > >> > which is really just the second maintainence release of the 0.14 >> > >> > branch. Thus it's 1.0 but really it's just 0.14 + some fixes. I feel >> > >> > this will again be confusing for users. For this important change, I >> > >> > think we should use a new release vehicle. >> > >> > >> > >> > Thus, I'd suggest we do the rename in trunk, soon, and then the next >> > >> > release of Hive will be 1.0. >> > >> > >> > >> > Cheers, >> > >> > Brock >> > >> > >> > >> > On Tue, Dec 2, 2014 at 10:07 AM, Thejas Nair < >> the...@hortonworks.com> >> > >> > wrote: >> > >> > > Apache Hive is the de facto SQL query engine in the hadoop >> > ecosystem. >> > >> > > I believe it is also the most widely used one as well. Hive is >> used >> > in >> > >> > > production in large number of enterprises. >> > >> > > However, this 0.x.y versioning that we have been using for Hive >> > >> > > obscures this status of Hive. >> > >> > > >> > >> > > I propose creating a 1.0 release out of the 0.14 branch of Hive. >> We >> > >> > > already have some bug fixes for 0.14 release that have been added >> to >> > >> > > the branch and a maintenance release is due. Having it out of this >> > >> > > maintenance branch would create a better first 1.0 version, and we >> > >> > > would be able to do it soon. What would have been 0.15 version >> would >> > >> > > then become 1.1 version . >> > >> > > >> > >> > > Thoughts ? >> > >> > > >> > >> > > Thanks, >> > >> > > Thejas >> > >> > > >> > >> > > -- >> > >> > > CONFIDENTIALITY NOTICE >> > >> > > NOTICE: This message is intended for the use of the individual or >> > >> entity >> > >> > to >> > >> > > which it is addressed and may contain information that is >> > confidential, >> > >> > > privileged and exempt from disclosure under applicable law. If the >> > >> reader >> > >> > > of this message is not the intended recipient, you are hereby >> > notified >> > >> > that >> > >> > > any printing, copying, dissemination, distribution, disclosure or >> > >> > > forwarding of this communication is strictly prohibited. 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