the INTERNET DOMAIN NAME for an educational establishment 教育机构
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)。
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。
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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