后来被逼无奈，把JDK从17升到21，SpringBoot从2.7升到3.2，然后在配置文件里加了一行 spring.threads.virtual.enabled=true，再压测——好家伙，QPS直接飙到3100！我揉了揉眼睛，以为压测工具坏了，换了三台机器、换了两种压测工具，结果都一样。那一刻我彻底服了：原来我们这么多年调线程池，都是在错误的路上狂奔。
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，更多细节参见搜狗输入法
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The current price for the book is high, and varies quite a lot. It’s gone up since I bought my first copy in 2022. Whilst it’s almost unknown in the West the book continues to be fondly remembered and much sought after in Japan. Today you’re looking at somewhere between £200–600 GBP, or equivalent, depending on the condition. Some have cracked outer case, some are missing the correction insert, some have gone mouldy with age. But, up to now they have come up for sale often.