Re: SSI atomic commit
От | Heikki Linnakangas |
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Тема | Re: SSI atomic commit |
Дата | |
Msg-id | 4E162628.6080100@enterprisedb.com обсуждение исходный текст |
Ответ на | Re: SSI atomic commit (Dan Ports <drkp@csail.mit.edu>) |
Ответы |
Re: SSI atomic commit
|
Список | pgsql-hackers |
On 08.07.2011 00:21, Dan Ports wrote: > We should also apply the attached patch, which corrects a minor issue > with the conditions for flagging transactions that could potentially > make a snapshot unsafe. > > There's a small window wherein a transaction is committed but not yet > on the finished list, and we shouldn't flag it as a potential conflict > if so. We can also skip adding a doomed transaction to the list of > possible conflicts because we know it won't commit. Hmm, it's now also possible for the transaction to be prepared, and already visible to others, but not yet flagged as committed. Shouldn't those be included too? -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com
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