On 2/22/18 1:16 AM, Michael Paquier wrote:
> On Wed, Feb 21, 2018 at 07:56:38PM -0500, David Steele wrote:
>> On 2/21/18 7:01 PM, Tom Lane wrote:
>>> For pg_log, just put it somewhere else and set the appropriate
>>> configuration option to say where to write the postmaster log files.
>>> Or you could use a symlink, like the solution for pg_xlog, but
>>> I don't see any advantage there.
>> Symlinking pg_log is not ideal because the logs end up in the backup. It
>> gets pretty weird when those logs get restored to a standby and somebody
>> starts reading them.
> log_directory in postgresql.conf san be set up with an absolute
> directory value.  So there is no actual need for a symlink with pg_log.
> This also reduces the amount of data transfered as part of base
> backups without actually needing them. 

Yes, I really should have said having pg_log in the data directory at
all is not ideal, symlinked or no.


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