The softmax parameter is set to a lower number, so that the log control file is written to disk more often, and thus after a crash recovery the database may need less time to recover.
Concurrency Control and Recovery in Database Systems (see Resources) gives the properties of successful executions, which, if fulfilled, prevent a system from producing inconsistencies.
数据库系统的并发控制和复原(请参阅参考资料)给出了防止系统产生不一致问题的正确操作的属性。
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In a traditional database system, the transaction correctness is implemented through the concurrency control protocol and the recovery mechanism.