Instance Instance Processes and Shared memory; in DB2, it also includes a permanent directory structure.
实例实例进程和共享内存；在DB 2中，它还包含一个永久目录结构。
2
This type of infinite loops can sometimes occur due to multithreaded access into a Shared unsynchronized data structure.
这种类型的无限循环有时是由于多线程访问共享的不同步的数据结构造成的。
3
One of them contains Shared memory location of the token and its logging actions, and the second structure contains the timestamp of when the DB2.OPEN_LOG was invoked.