UPDATE_SP_CONFIG存储过程对共享内存进行更新，并将所有的日志标记写入一个配置文件中。

The DB2.UPDATE_SP_CONFIG stored procedure updates the Shared memory and writes all logging tokens to a configuration file.

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fenced UDF 和存储过程：如果数据库上运行着一个 fenced 函数或过程，那么数据库共享内存中有一个段要预留给 fenced 模式的通信。

Fenced UDFs and Stored Procedures: If a fenced function or procedure is run on the database, then one segment is used for fenced mode communication.

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利用“零存储”技术对传统的抓包过程进行改进：当网卡抓到数据包以后直接写到共享内存，这样的一个处理过程减少了至少一次复制。

Now using "zero copy" to improve this process: When the net card will catch the data packet later directly to write about the sharing memory, such treating processes reduced at least duplication.

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