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by boardwaalk 2781 days ago
> But a little known fact is that you lose all of ACID, meaning that a system crash can cause total loss of the database. Only use `MDB_NOSYNC` if your data is expendable.

Last I looked into LMDB, this was only the case if the filesystem doesn't respect write ordering, which depends on the filesystem. Otherwise you get everything but durability (i.e. ACI) If I recall, writes are ordered by default on Ext3.