On 7/27/20 11:22 AM, tsunakawa.ta...@fujitsu.com wrote:
Hi Andrey san, Movead san,
From: tsunakawa.ta...@fujitsu.com <tsunakawa.ta...@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't find 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
