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Commit 9d645fd8 authored by Tom Lane's avatar Tom Lane
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Support syncing WAL log to disk using either fsync(), fdatasync(),

O_SYNC, or O_DSYNC (as available on a given platform).  Add GUC parameter
to control sync method.
Also, add defense to XLogWrite to prevent it from going nuts if passed
a target write position that's past the end of the buffers so far filled
by XLogInsert.
parent 4eb5e27a
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