XD-580 Perform fsync before writing new DB root #8
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XD-580 is reformulated, |
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We need to perform
fsyncbefore writing a new database root to ensure that the database root is written only after all other transaction data were persisted to disk. Without it there is a significant risk of getting corrupted database on a system failure, because the OS is free to persist cached file pages to disk out of order.Most probably the
fsyncwill cause some performance degradation, but I guess reliability is more important.