Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade

От: Laurenz Albe
Тема: Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade
Дата: ,
Msg-id: 1512667895.2915.13.camel@cybertec.at
(см: обсуждение, исходный текст)
Ответ на: Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Gunther)
Ответы: Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Claudio Freire)
Список: pgsql-performance

Скрыть дерево обсуждения

pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)", )
 RE: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Igor Neyman, )
  Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)", )
   RE: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Igor Neyman, )
    Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)", )
     RE: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Igor Neyman, )
      Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)", )
       RE: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Igor Neyman, )
  Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Shaul Dar, )
 Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Tom Lane, )
  Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Robert Haas, )
   Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Tom Lane, )
    Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)", )
     Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Tom Lane, )
      Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)", )
       Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)", )
        Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Matthew Hall, )
         Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)", )
          Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)", )
           Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Matthew Hall, )
            Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)", )
         Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Andres Freund, )
    Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)", )
 Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Patrick KUI-LI, )
  Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)", )
   Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Gunther, )
    Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Laurenz Albe, )
     Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  (Claudio Freire, )

Gunther wrote:
> Something is wrong with the dump thing. And no, it's not SSL or whatever,
> I am doing it on a local system with local connections. Version 9.5 something.

That's a lot of useful information.

Try to profile where the time is spent, using "perf" or similar.

Do you connect via the network, TCP localhost or UNIX sockets?
The last option should be the fastest.

Yours,
Laurenz Albe



В списке pgsql-performance по дате сообщения:

От: Claudio Freire
Дата:
Сообщение: Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade
От: Flávio Henrique
Дата:
Сообщение: Learning EXPLAIN