Shared memory provides the fastest method of interprocess communication, because it processes read and write messages at the speed of memory transfers.
共享内存提供了最快的进程间通信方法,因为它以内存传输的速度来处理读写消息。
Any process can write data to a Shared memory region, and the data are readable and modified by other processes.
任何进程都可以向共享内存区域写入数据,并且数据可以由其他进程读取或修改。
In this situation the overhead of a log write at commit time is Shared amongst many applications.
在这种情况下,提交时日志写入的开销会分散到多个应用程序。
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