On 1/5/17 2:50 PM, Tomas Vondra wrote:
Ultimately, the question is whether the number of people running into "Hey, I can't take pg_basebackup or setup a standby with the default config!" is higher or lower than number of people running into "Hey, CREATE TABLE + COPY is slower now!"
I'm betting it's way higher. Loads of folks use Postgres and never do any kind of ETL.
That is not to say there are no other cases benefiting from those optimizations, but we're talking about the default value - we're not removing the wal_level=minimal.
This would be a non-issue if we provided example configs for a few different workloads. Obviously those would never be optimal either, but they *would* show users what settings they should immediately look at changing in their environment.
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