If this number increases quickly between successive SHOW STATUS commands, you should look at increasing your thread cache.

如果这个数字在连续执行show STATUS命令时快速增加，就应该尝试增大线程缓存。

youdao

Since it is thread safe by design, you might cache it in a public static final variable, or wrap it in a singleton pattern after creation for later access.

因为根据设计它是线程安全的，创建它之后可以把它缓存在一个公共静态最终变量中，或者包装在单实例模式中以供以后访问。

youdao

Uncontested unlock operations return a locked mutex to the thread lock cache.

非争用的解锁操作将一个锁定的互斥锁返回给线程锁定缓存。

youdao