Re: Snapshot synchronization, again...
| От | Robert Haas |
|---|---|
| Тема | Re: Snapshot synchronization, again... |
| Дата | |
| Msg-id | AANLkTim0t=ro8pH010yrwMcNvdVO8yPw-XWRgz0qmfnq@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Snapshot synchronization, again... (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>) |
| Ответы |
Re: Snapshot synchronization, again...
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| Список | pgsql-hackers |
On Tue, Feb 22, 2011 at 8:58 AM, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> wrote: > On 22.02.2011 15:52, Robert Haas wrote: >> >> On Tue, Feb 22, 2011 at 8:01 AM, Heikki Linnakangas >> <heikki.linnakangas@enterprisedb.com> wrote: >>> >>> Yes. It would be good to perform those sanity checks anyway. >> >> I don't think it's good; I think it's absolutely necessary. Otherwise >> someone can generate arbitrary garbage, hash it, and feed it to us. >> No? > > No, the hash is stored in shared memory. The hash of the garbage has to > match. Oh. Well that's really silly. At that point you might as well just store the snapshot and an integer identifier in shared memory, right? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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