BUG #13350: blindly fsyncing data dir considered harmful

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От andrew@tao11.riddles.org.uk
Тема BUG #13350: blindly fsyncing data dir considered harmful
Дата
Msg-id 20150525142657.4686.35151@wrigleys.postgresql.org
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The following bug has been logged on the website:

Bug reference:      13350
Logged by:          Andrew Gierth
Email address:      andrew@tao11.riddles.org.uk
PostgreSQL version: 9.1.16
Operating system:   Debian (and probably others)
Description:

The addition of a recursive fsync of the data dir on startup (in the absence
of a clean shutdown) causes startup to fail if the data dir contains
symlinks to files which the postgres user can't write to.

This is the standard configuration for many SSL-enabled setups, including
the standard debian packaging defaults. Accordingly, crash recovery now
ALWAYS fails on such systems without manual intervention.

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