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Devices for providing distributable middleware data proxy between application servers and database servers
Devices for providing distributable middleware data proxy between application servers and database servers
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机译:用于在应用程序服务器和数据库服务器之间提供可分发中间件数据代理的设备
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摘要
The present invention discloses devices including a transparent client-connection manager for exchanging client data between application servers and the device: a request analyzer for analyzing query requests from at least one application server; a data-retrieval/command-execution module for executing query requests; a database connection manager for exchanging database data between at least one database server and the device; a cache-memory pool for storing data items from at least one database server; a cache-policy module for determining cache criteria for storing the data items In the cache-memory pool; and a data-consistency invalidation module for determining invalidated data items based on invalidation criteria for removing from the cache-memory pool. The cache-memory pool is configured to utilize memory modules residing in data proxy devices and distributed cache management utility, enabling the memory capacity to be used as a cluster to balance workloads.
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