Re: bytea vs. pg_dump
| От | Tom Lane |
|---|---|
| Тема | Re: bytea vs. pg_dump |
| Дата | |
| Msg-id | 15219.1241532037@sss.pgh.pa.us обсуждение |
| Ответ на | bytea vs. pg_dump (Bernd Helmle <mailings@oopsware.de>) |
| Ответы |
Re: bytea vs. pg_dump
Re: bytea vs. pg_dump |
| Список | pgsql-hackers |
Bernd Helmle <mailings@oopsware.de> writes:
> From time to time we had complains about slow dump of large tables with
> bytea columns, people often complaining about a) size and b) duration of
> the dump.
> That latter occurred recently to me, a customer would like to dump large
> tables (approx. 12G in size) with pg_dump, but he was annoyed about the
> performance. Using COPY BINARY reduced the time (unsurprisingly) to a
> fraction (from 12 minutes to 3 minutes).
Seems like the right response might be some micro-optimization effort on
byteaout.
regards, tom lane
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