Re: Global snapshots
От | Andrey V. Lepikhov |
---|---|
Тема | Re: Global snapshots |
Дата | |
Msg-id | 806c3708-26ea-b94d-87b1-d48e41e93726@postgrespro.ru обсуждение исходный текст |
Ответ на | RE: Global snapshots ("tsunakawa.takay@fujitsu.com" <tsunakawa.takay@fujitsu.com>) |
Ответы |
Re: Global snapshots
RE: Global snapshots RE: Global snapshots |
Список | pgsql-hackers |
On 7/27/20 11:22 AM, tsunakawa.takay@fujitsu.com wrote: > Hi Andrey san, Movead san, > > > From: tsunakawa.takay@fujitsu.com <tsunakawa.takay@fujitsu.com> >> While Clock-SI seems to be considered the best promising for global >> serializability here, >> >> * Why does Clock-SI gets so much attention? How did Clock-SI become the >> only choice? >> >> * Clock-SI was devised in Microsoft Research. Does Microsoft or some other >> organization use Clock-SI? > > Could you take a look at this patent? I'm afraid this is the Clock-SI for MVCC. Microsoft holds this until 2031. I couldn'tfind this with the keyword "Clock-SI."" > > > US8356007B2 - Distributed transaction management for database systems with multiversioning - Google Patents > https://patents.google.com/patent/US8356007 > > > If it is, can we circumvent this patent? > > > Regards > Takayuki Tsunakawa > > Thank you for the research (and previous links too). I haven't seen this patent before. This should be carefully studied. -- regards, Andrey Lepikhov Postgres Professional
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