From: | Matheus de Oliveira <matioli(dot)matheus(at)gmail(dot)com> |
---|---|
To: | Craig James <cjames(at)emolecules(dot)com> |
Cc: | "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org> |
Subject: | Re: pg_basebackup bug: base backup is double the size of the database |
Date: | 2015-01-21 18:19:47 |
Message-ID: | CAJghg4Lqpc9RE-W1x-ufbjjRX2Kry7M68dqp1gSFOwhoq9tEJA@mail.gmail.com |
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Thread: | |
Lists: | pgsql-admin |
On Wed, Jan 21, 2015 at 3:32 PM, Craig James <cjames(at)emolecules(dot)com> wrote:
> # ls -l /data/postgres-9.3/main/pg_tblspc/16747
> lrwxrwxrwx 1 postgres postgres 27 2014-08-18 11:28
> /data/postgres-9.3/main/pg_tblspc/16747 -> /postgres/tablespaces/uorsy/
>
> # du -sh /data/postgres-9.3/tablespaces/uorsy
> *35G* /data/postgres-9.3/tablespaces/uorsy
>
> # du -sh /data/postgres-9.3/tablespaces/uorsy/*
> *35G* /data/postgres-9.3/tablespaces/uorsy/8208624
> *8.1M* /data/postgres-9.3/tablespaces/uorsy/PG_9.3_201306121
> 4.0K /data/postgres-9.3/tablespaces/uorsy/pgsql_tmp
> 4.0K /data/postgres-9.3/tablespaces/uorsy/PG_VERSION
>
> # find /data/postgres-9.3/tablespaces/uorsy \! -links 1 -type f | wc -l
> *740*
>
Am I overlooking or is there something really wrong here?
First, all files of a tablespace should be inside PG_9.3_201306121
directory, why do you have those other files? Second, there shouldn't be
any hard link inside of a tablespace, as PostgreSQL is not creating them,
someone must have done it by hand. I'm guessing all inside PG_9.3_201306121 is
linked to the root path of the tablespace, which is wrong.
If I'm not overlooking, then neither barman nor pg_basebackup is to blame,
but whoever created the hard links; if PostgreSQL did this (which I doubt)
then it is a bug.
Regards,
--
Matheus de Oliveira
Analista de Banco de Dados
Dextra Sistemas - MPS.Br nível F!
www.dextra.com.br/postgres
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