1·Connection concentrator (transaction pooling).
连接集中器(事务池)。
2·If you cannot correct this problem, then your environment is not suitable for the use of the connection concentrator.
如果您不能纠正这个问题，那么您的环境就不适合于使用连接集中器。
3·Without the statement concentrator feature, prior releases of DB2 would treat each statement in the above example as unique, and would compile and execute each statement separately.
由于没有语句集中器，DB2之前的版本需要单独处理上面例子中的每个语句，单独编译和执行每个语句。
4·This will create a large overhead of allocation and deallocation of agents upon reaching transaction boundaries, which defeats the purpose of the connection concentrator.
这样会导致到达事务边界时的代理分配和解除分配这一巨大开销，这会影响连接集中器的功能。
5·The connection concentrator allows users to appear connected to the database while the actual database agent is free to service incoming requests.
连接集中器允许用户看起来是连接到数据库的，而实际的数据库代理仍然可以服务入站请求。