Db2alarm (alarm thread) : Notifies EDUs when their requested timer has expired (UNIX-only).

db2alarm(报警线程)：当edu请求的计时器到期时通知EDU(仅在UNIX上)。

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Now, in 9.5 there is uniformity in the process model of DB2 as EDUs are now thread based on Linux, UNIX, and Windows environments.

而在9.5中，DB2的进程模型得到统一，现在EDU在Linux、UNIX和Windows环境中都是线程。

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Prior to db2 9.5, on UNIX and Linux environments with the help of the ps system command or the db2_local_ps command, you were able to list all active db2 EDUs.

在db 2 9.5之前，在UNIX和Linux环境中，通过ps系统命令或db2_local _ ps命令，可以列出所有活动的db 2EDU。

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Each of the circles in the above figure represent engine dispatchable units (EDUs), which are known as processes on Linux or UNIX platforms, and threads on Windows.

上图中的每一个圆圈代表示引擎分派单元（EDU），在Linux/UNIX平台上称为进程，而在 Windows 上称为线程。

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Each of the circles in the above figure represent engine dispatchable units (EDUs), which are known as processes on Linux or UNIX platforms, and threads on Windows.

上图中的每一个圆圈代表示引擎分派单元（EDU），在Linux/UNIX平台上称为进程，而在 Windows 上称为线程。

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