...可以获得元数据信息，比如活动连接的状态，还可以把连接指定为标准的(Connection，用于单机应用程序)、池化的(PooledConnection)或者甚至是用于XA事务的分布式连接(XAConnection)。注意，我们没有直接使用XAConnection。
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蓄电池的劣化程度 SOH-State of Health
备的池化管理 Storage Pooling
化学电池内的反应 Reactions in chemical cells
电池的老化及老化状态 state of health ; SOH
但如果您打算使用内置到psycopg2或其他工具的池化功能，那么使用连接池化的这些常见原则仍适用。
However, if you were to use the pooling capabilities built into psycopg2 or other tools, the same general principles for use of connection pooling remain the same.
当房地产市场开始变化的时候，因为我们有一个多样化的代理池，所以我们能够在房地产市场坚持的时间比其他同行长得多。
When the real estate market began to change, it was because we had a diverse agent pool that we were able to stay in the real estate market much longer than others in the same profession.
因此他的结论是不应该将内存释放回一个全局的内存池，而是将内存保持为针对特定目而初始化的状态。
His conclusion was that instead of freeing the memory back to a global pool, he would have the memory remain initialized for its intended purpose.
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