Technique 2: Reducing lock granularity.

技术2：减小锁的粒度。

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This method supports multiple granularity lock, automatic lock and automatic lock escalation.

该方法支持多粒度锁、自动加锁特性和自动锁粒度升级特性。

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Then, the two granularity locks, document-lock and path-lock, are proposed to meet the actual needs, by analyzing from the perspective of the lock and the data concurrence.

接着，从锁的角度和并发度的分析，提出能够满足实际需求的两种粒度锁——文档锁和路径锁。

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Then, the two granularity locks, document-lock and path-lock, are proposed to meet the actual needs, by analyzing from the perspective of the lock and the data concurrence.

接着，从锁的角度和并发度的分析，提出能够满足实际需求的两种粒度锁——文档锁和路径锁。

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