Hi, On Wed, 2016-10-12 at 13:11 -0400, Tom Lane wrote: > > What is the cost of using %m, other than 4 (rather compressible) bytes per > > log entry? > > More log I/O, which is not free ...
FWIW, we've been setting log_line_prefix to '< %m > ' for quite a long time in PGDG RPMs, and did not get any complaints. I'd vote for %m for default. Regards, -- Devrim GÜNDÜZ EnterpriseDB: http://www.enterprisedb.com PostgreSQL Danışmanı/Consultant, Red Hat Certified Engineer Twitter: @DevrimGunduz , @DevrimGunduzTR
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