Hello, Yes, MVCC has already been being designed and developed by multiple community members including Sergi.
If you prefer to take a big feature for dev then I would suggest considering these tasks: https://ignite.apache.org/community/contribute.html#pick-ticket <https://ignite.apache.org/community/contribute.html#pick-ticket> — Denis > On Feb 9, 2017, at 2:22 AM, Vyacheslav Daradur <daradu...@gmail.com> wrote: > > Hello everyone. > > Sergi, you wrote about the MVCC. > > It's very interesting and perspective. > > Someone already does it? > > 2017-02-09 9:25 GMT+03:00 Dmitriy Setrakyan <dsetrak...@apache.org>: > >> On Wed, Feb 8, 2017 at 10:20 PM, Yakov Zhdanov <yzhda...@apache.org> >> wrote: >> >>> Guys, I think we should explicitly state this on readme.io - Do not use >>> DML >>> within transactions. >>> >>> And probably throw an exception on such attempts. >>> >> >> Absolutely agree. I would say that DML within transactions is not supported >> yet. We expert to have support for it in version 2.x. >> >> >>> --Yakov >>> >>> 2017-02-09 12:08 GMT+07:00 Sergi Vladykin <sergi.vlady...@gmail.com>: >>> >>>> Not yet, we need MVCC over PageMemory for this. Probably it will arrive >>> in >>>> some 2.x version. >>>> >>>> Sergi >>>> >>>> 2017-02-09 7:42 GMT+03:00 Yakov Zhdanov <yzhda...@apache.org>: >>>> >>>>> Guys (esp Alex P and Sergi), >>>>> >>>>> Do we preserve transactional semantics of updates? >>>>> >>>>> In other words, does the following make sense? and when it does not? >>>>> >>>>> startTx() >>>>> insert into blabla... >>>>> update bla bla... >>>>> commit() >>>>> >>>>> --Yakov >>>>> >>>> >>> >>
