Re: Re: is PG able to handle a >500 GB Database?
От | Bruce Momjian |
---|---|
Тема | Re: Re: is PG able to handle a >500 GB Database? |
Дата | |
Msg-id | 200101222257.RAA15517@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: Re: is PG able to handle a >500 GB Database? (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
OID/XID allocation (was Re: is PG able to handle a >500 GB Database?)
|
Список | pgsql-general |
> Florent Guillaume <efgeor@noos.fr> writes: > > If, however, like someone else on this list, you have an application > > that does 200 requests per second, and that each request generates two > > updates, that's 1440000 oids consumed per hour, 34560000 per day, > > 12614400000 per year, oops that's more than 2^32, oids have wrapped > > around nearly three times in the year... > > Updates do not consume OIDs ... only insertions of *new* rows consume > OIDs ... that may or may not matter here ... What about pre-fetching of OID's. Does that still happen for every backend? What about XID's? -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
В списке pgsql-general по дате отправления: