在这里，布局枚举持有文件片段的服务器、每个服务器上文件片段的大小，以及每个片段的NFS文件句柄。

Here, the layout enumerates the servers that hold the pieces of the file, the size of the stripe on each server, and the NFS file handle of each segment.

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每个执行组有打开的WebSphere mq队列句柄的高速缓存，高速缓存的缺省大小是30。

Each execution group has a cache of open WebSphere MQ queues handles, with a default size of 30.

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我理解成调整数据句柄大小，该句柄是传递到CIN节点的指向数据结构体变量。不可设置数组维数。

Resizes a data handle based on the data structure of an argument that you pass to the CIN. This function does not set the array dimension field.

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