Re: Image storage questions
От | Joshua D. Drake |
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Тема | Re: Image storage questions |
Дата | |
Msg-id | 428D5A0F.3080406@commandprompt.com обсуждение исходный текст |
Ответ на | Re: Image storage questions ("Guy Rouillier" <guyr@masergy.com>) |
Список | pgsql-general |
Guy Rouillier wrote: > Joshua D. Drake wrote: > > >>External storing is useful but I prefer LO because all my data (binary >>and meta) is all in the same place for management. > > > But if that's a big L in LO, performance and maintenance will be > negatively affected, perhaps significantly. How? The DBMS will have to scan > over all that large binary data to extract text or numeric data. Ahhh now I see, are you expecting to be able to query your LOs? We only use Large Objects as a storage mechanism. And > backups will copy that static binary data repeatedly. Not unless you tell it to. If you don't pass the -b option you are not going to end up backing up your large objects anyway. For those > reasons, if I'm storing very large objects, like images, that I know > I'll never search or update, I prefer to manage them externally. Sincerely, Joshua D. Drake >
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