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1. 发明申请

US20080126539A1 MONITORING THREAD USAGE TO DYNAMICALLY CONTROL A THREAD POOL 失效
标题翻译：监控螺纹用于动态控制螺纹池
公开(公告)号：US20080126539A1
公开(公告)日：2008-05-29
申请号：US12027044
申请日：2008-02-06
申请人： DWIP N. BANERJEE , KAVITHA VITTAL MURTHY BARATAKKE , VINIT JAIN , VENKAT VENKATSUBRA
发明人： DWIP N. BANERJEE , KAVITHA VITTAL MURTHY BARATAKKE , VINIT JAIN , VENKAT VENKATSUBRA
IPC分类号： G06F15/173
CPC分类号： G06F9/5027 , G06F9/544 , G06F2209/5018 , G06F2209/508
摘要： A method, system, and program for monitoring thread usage to dynamically control a thread pool are provided. An application running on the server system invokes a listener thread on a listener socket for receiving client requests at the server system and passing the client requests to one of multiple threads waiting in a thread pool. Additionally, the application sends an ioctl call in blocking mode on the listener thread. A TCP layer within the server system detects the listener thread in blocking mode and monitors a thread count of at least one of a number of incoming requests waiting to be processed and a number of said plurality of threads remaining idle in the thread pool over a sample period. Once the TCP layer detects a thread usage event, the ioctl call is returned indicating the thread usage event with the thread count, such that a number of threads in the thread pool may be dynamically adjusted to handle the thread count.
摘要翻译：提供了一种用于监视线程使用以动态控制线程池的方法，系统和程序。在服务器系统上运行的应用程序调用侦听器套接字上的侦听器线程，以便在服务器系统上接收客户端请求，并将客户端请求传递给等待线程池的多个线程之一。此外，应用程序在侦听器线程上以阻塞模式发送ioctl调用。服务器系统内的TCP层以阻塞模式检测侦听器线程，并且监视等待被处理的多个传入请求中的至少一个的线程计数，并且线程池中的多个线程在一个样本上保持空闲期。一旦TCP层检测到线程使用事件，将返回指示线程计数的线程使用事件的ioctl调用，以使线程池中的线程数可以被动态调整以处理线程计数。

2. 发明申请

US20080186863A1 METHOD, SYSTEM AND ARTICLE FOR IMPROVED TCP PERFORMANCE DURING PACKET REORDERING 失效
标题翻译：方法，系统和文章提高分组后的TCP性能
公开(公告)号：US20080186863A1
公开(公告)日：2008-08-07
申请号：US12101765
申请日：2008-04-11
申请人： KAVITHA VITTAL MURTHY BARATAKKE , Vinit Jain , Vasu Vallabhaneni , Venkat Venkatsubra
发明人： KAVITHA VITTAL MURTHY BARATAKKE , Vinit Jain , Vasu Vallabhaneni , Venkat Venkatsubra
IPC分类号： G08C15/00
CPC分类号： H04L29/06 , H04L69/16 , H04L69/161 , H04L69/163
摘要： TCP congestion avoidance is implemented upon retransmission of a packet and is reverted back to the original congestion state upon receipt of an early acknowledgement (ACK), indicating reordering of packets, thereby eliminating a needless restriction on TCP bandwidth. Upon receiving an ACK to a retransmitted packet, it is determined if the ACK resulted from receipt of the original reordered packet or the retransmitted packet, based on the arrival time of the ACK at the sender. If the round-trip-time (RTT) for the retransmitted packet is much lower than the average or current calculated RTT for the network link between sender and receiver, then the retransmission occurred as a result of a reordering event, and the congestion window is restored back to its value prior to the retransmission, thereby permitting the network link to continue operating at its original increased throughput.
摘要翻译： TCP拥塞避免在分组重传时实现，并且在接收到指示重新排序分组的早期确认（ACK）时被恢复到原始拥塞状态，从而消除对TCP带宽的不必要的限制。在向重传的分组接收到ACK时，基于ACK在发送方的到达时间确定ACK是否从接收到原始重新排序的分组或重传分组而产生。如果重发分组的往返时间（RTT）远低于发送方和接收方之间的网络链路的平均或当前计算的RTT，则重新发送作为重排序事件的结果，拥塞窗口为在重传之前恢复其值，从而允许网络链路以其原始增加的吞吐量继续运行。

3. 发明申请

US20120117572A1 SELF-ADJUSTING APPLICATION HEARTBEAT MANAGEMENT 失效
标题翻译：自我调整应用心脏管理
公开(公告)号：US20120117572A1
公开(公告)日：2012-05-10
申请号：US12942305
申请日：2010-11-09
申请人： KAVITHA VITTAL MURTHY BARATAKKE , Nikhil Hegde , Rashmi Narasimhan
发明人： KAVITHA VITTAL MURTHY BARATAKKE , Nikhil Hegde , Rashmi Narasimhan
IPC分类号： G06F9/46
CPC分类号： G06F11/3495 , G06F11/3409 , G06F2201/81 , G06F2201/875 , H04L43/0817 , H04L43/10 , H04L43/16 , H04L67/145
摘要： A method, system, and computer program product for a self-adjusting application heartbeat management process are provided in the illustrative embodiments. A first application receives from a second application, a response message in response to a heartbeat message. Information is identified in the response message usable for computing a delay in a future response message for a future heartbeat message, such that the information communicates to the first application a system condition existing in the second data processing system where the second application is executing. A response time is adjusted using the information to form a modified response time. The future response message is received after the response time.
摘要翻译：在说明性实施例中提供了用于自调节应用心跳管理过程的方法，系统和计算机程序产品。第一应用程序从第二应用程序接收响应于心跳消息的响应消息。在可用于计算未来心跳消息的未来响应消息中的延迟的响应消息中识别信息，使得信息向第一应用传送存在于第二应用正在执行的第二数据处理系统中的系统条件。使用该信息调整响应时间以形成修改的响应时间。在响应时间后收到未来的响应消息。

4. 发明申请

US20120143929A1 VIRTUALIZED OPERATING SYSTEM ENVIRONMENT FILE-SYSTEM 审中-公开
标题翻译：虚拟化操作系统环境文件系统
公开(公告)号：US20120143929A1
公开(公告)日：2012-06-07
申请号：US12959082
申请日：2010-12-02
申请人： KAVITHA VITTAL MURTHY BARATAKKE , Nikhil Hegde , David William Sheffield , Dilip Kumar Singh
发明人： KAVITHA VITTAL MURTHY BARATAKKE , Nikhil Hegde , David William Sheffield , Dilip Kumar Singh
IPC分类号： G06F17/30
CPC分类号： G06F16/188
摘要： A method, system, and computer program product for an improved virtualized operating system environment file-system are provided in the illustrative embodiments. A computer receives a write request for a part in the virtualized operating system environment file-system. The computer determines whether the part in the virtualized operating system environment file-system is a link to a second part in a host file-system. The computer, responsive to the part in the virtualized operating system environment file-system being the link, replaces the link with content of the second part the content replacing the link forming a writable copy of the part.
摘要翻译：在说明性实施例中提供了用于改进的虚拟化操作系统环境文件系统的方法，系统和计算机程序产品。计算机在虚拟化操作系统环境文件系统中接收对部件的写入请求。计算机确定虚拟化操作系统环境文件系统中的部分是否是到主机文件系统中第二部分的链接。计算机响应于作为链接的虚拟化操作系统环境文件系统中的部分，将链接与第二部分的内容替换代替形成该部分的可写拷贝的链接的内容。

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