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Where in the source code does postgres write to disk? - Mailing list pgsql-general

From Mike Levine
Subject Where in the source code does postgres write to disk?
Date
Msg-id CANfBbud+oFgUerm=+cx_cKzhj5HKQU+SaEZgG5rAGctm0fD=Zg@mail.gmail.com
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According to http://www.postgresql.org/docs/9.2/static/storage-file-layout.html

"When a table or index exceeds 1 GB, it is divided into gigabyte-sized segments. The first segment's file name is the same as the filenode; subsequent segments are named filenode.1, filenode.2, etc."

I was wondering where in the source code this is dealt with. I have been searching for the last few hours but have had no luck


Any help guiding me to the location in the source code where postgres writes the buffer to disk would be greatly appreciated.


Thanks

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