trace on database operation 数据库操作跟踪
If something is not working as expected, you can trace the backup operation.
如果出现运行不正常的情况，那么可以跟踪备份操作。
For example, you might have the output of a trace and need to know if a GET operation specified SYNCPOINT.
例如，您可能拥有一份跟踪记录的输出，需要了解GET操作是否制定了SYNCPOINT。
The Linux Trace Toolkit (LTT) catalogs system events in fine detail to provide visibility of the internal operation of the Linux kernel.
Linux跟踪工具包(Linux Trace Toolkit, LTT)详细地将系统事件编制目录，以便提供Linux内核的内部操作可见度。
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