另一方面，不用牺牲性能和可伸缩性，Node的请求就可以延长一段时间，因为Node是个完全异步、单线程、单进程的框架。
On the other hand, in Node requests can extend for long periods of time without sacrificing performance or scalability, as it's a fully asynchronous, single-threaded, single-process framework.
用处理器与收集间隔的比值表示的CPU使用率的分布情况，该信息有助于识别单线程的进程。
Distribution of CPU utilization by processor over the collection interval — useful in identifying single-threaded processes.
由于闪存的时延是亚毫秒级，所对对于单线程的进程而言可以有很大的IOPS。
And since the latency of flash is sub-millisecond, it should be possible to see that, even for a single-threaded process, a much larger number of IOPS is possible.
通常情况下，序列化进程是单线程的，并且应该是无状态的。
Typically the serialization process is single-threaded and should be stateless.
在上面的例子中，我描述了一个单线程的进程读写磁盘的单个随机块的情况。
In the example above I described a single-threaded process reading or writing a single random block on a disk.
在上面的例子中，我描述了一个单线程的进程读写磁盘的单个随机块的情况。
In the example above I described a single-threaded process reading or writing a single random block on a disk.
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