Re: [INTERFACES] Vacuum takes for ever

Поиск
Список
Период
Сортировка
От Jason Earl
Тема Re: [INTERFACES] Vacuum takes for ever
Дата
Msg-id 199905171806.MAA27409@earlj.nesusa.com
обсуждение исходный текст
Ответ на Vacuum takes for ever  (Eildert Groeneveld <eg@tzv.fal.de>)
Список pgsql-interfaces
Hello everyone,
  in a substantial multi location development project we are using PG  to create a large information system.  After
havingloaded data in  the order of one million records a vaccum took 50h of CPU time on a  350MHz PII (RedHat 5.2, pg
6.4.2).There were no deletes or anyting  like that.
 

I made a test database when I was deciding whether PostgreSQL was
going to be up to the task.  It just so happens that it had a million
records in it as well.  The first vacuum took a very very long time,
subsequent vacuums, however, took much less time.
  What does vaccum do that takes so long and is there a way to speed  this up?

Apparently it does some "database stuff."  Yikes, someone else will
have to answer that question.  I just know how to get data in and out
of PostgreSQL.

Jason Earl


В списке pgsql-interfaces по дате отправления:

Предыдущее
От: Peter T Mount
Дата:
Сообщение: Re: [INTERFACES] JDBC driver should use database encoding
Следующее
От: "Jackson, DeJuan"
Дата:
Сообщение: RE: [INTERFACES] Vacuum takes for ever