The JVM itself has internal locks used to serialize access to critical JVM resources such as the thread list and the global lock cache.
JVM自身拥有内部锁,用于序列化对关键J VM资源(如线程列表和全局锁缓存)的访问。
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That means the combination of those tools can still be used to capture information about any kind of DB2 event associated with a SQL code or a DB2 internal return code, not just lock timeouts.