Re: Re: [COMMITTERS] pgsql: Map basebackup tablespaces using a tablespace_map file

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, hlinnaka <hlinnaka(at)iki(dot)fi>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Re: [COMMITTERS] pgsql: Map basebackup tablespaces using a tablespace_map file
Date: 2015-05-14 21:46:37
Message-ID: CA+TgmoYvZ=zoevdcpHFEGB8LXf6a6e9V5YfvZVMmgzH=bz-dSw@mail.gmail.com
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On Thu, May 14, 2015 at 12:59 PM, Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:
>> I'm not sure I understand this issue in detail, but why would using
>> rmtree() on something you expect to be a symlink ever be a good idea?
>> It seems like if things are the way you expect them to be, it has no
>> benefit, but if they are different from what you expect, you might
>> blow away a ton of important data.
>>
>> Maybe I am just confused.
>
> The suggestion is to get rid of using rmtree. Instead, if we find a
> non-symlink in pg_tblspc we'll make the user clean it up before we can
> continue. So your instinct is in tune with my suggestion.

Right. Maybe I should have just said "+1".

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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