| From: | Andrey Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru> |
|---|---|
| To: | "tsunakawa(dot)takay(at)fujitsu(dot)com" <tsunakawa(dot)takay(at)fujitsu(dot)com>, "movead(dot)li(at)highgo(dot)ca" <movead(dot)li(at)highgo(dot)ca> |
| Cc: | 'Amit Kapila' <amit(dot)kapila16(at)gmail(dot)com>, Masahiko Sawada <masahiko(dot)sawada(at)2ndquadrant(dot)com>, Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>, PostgreSQL-Dev <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Global snapshots |
| Date: | 2020-09-22 07:41:11 |
| Message-ID: | 9b36d84a-daac-be1a-df38-67a3317fc209@postgrespro.ru |
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| Lists: | pgsql-hackers |
22.09.2020 03:47, tsunakawa(dot)takay(at)fujitsu(dot)com пишет:
> Does this make sense from your viewpoint, and can we think that we can use Clock-SI without infrindging on the patent? According to the patent holder, the difference between Clock-SI and the patent seems to be fewer than the similarities.
Thank you for this work!
As I can see, main development difficulties placed in other areas: CSN,
resolver, global deadlocks, 2PC commit... I'm not lawyer too. But if we
get remarks from the patent holders, we can rewrite our Clock-SI
implementation.
--
regards,
Andrey Lepikhov
Postgres Professional
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