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-rw-r--r--src/backend/utils/misc/postgresql.conf.sample4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index f3e3de0568f..5393fccd48d 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -182,7 +182,9 @@
#wal_level = minimal # minimal, replica, or logical
# (change requires restart)
-#fsync = on # turns forced synchronization on or off
+#fsync = on # flush data to disk for crash safety
+ # (turning this off can cause
+ # unrecoverable disk corruption)
#synchronous_commit = on # synchronization level;
# off, local, remote_write, remote_apply, or on
#wal_sync_method = fsync # the default is the first option