通过使用乐观并发控制，数据库管理器在完成读操作之后可以立即释放行或页锁。
With optimistic concurrency control, the database manager releases the row or page locks immediately after a read operation.
完全可能让数十或数百个应用程序并发执行，而不会对队列管理器日志性能造成任何负面影响。
It is possible to have tens or hundreds of applications running concurrently without any detrimental impact on queue manager log performance.
部署管理器丢失对生产计算单元是一个巨大的打击，所以此服务器务必保持运行并发挥功能，从而确保拓扑具有较高的可用性。
The loss of a deployment manager is a great blow to a production cell, and so it is critical that this server remain running and functional to ensure a highly available topology.
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