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1. 发明申请

WO2022017372A1 LOAD BALANCING IN STREAMS PARALLEL REGIONS 审中-公开
公开(公告)号：WO2022017372A1
公开(公告)日：2022-01-27
申请号：PCT/CN2021/107323
申请日：2021-07-20
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM (CHINA) CO., LIMITED
发明人： CHIU, Henry , FAWCETT, Bradley, William , SUN, Jingdong , NIKOLAI, Jason, A. , GERVER, Paul
IPC分类号： G06F9/46 , G06F16/24532 , G06F16/24568 , G06F9/5083 , H04L47/125 , H04L65/60
摘要： In response to receiving a flow of data, one or more operators in a parallel region included in a distributed data processing system for stream processing the flow of data are initialized. In response to identifying a change to the flow of data or a change to the distributed data processing system, at least one of the flow of data and a size of the parallel region included in the distributed data processing system are dynamically adjusted. The flow of data is processed via the dynamically adjusted one of the flow of data and the parallel region included in the distributed data processing system.

2. 发明申请

WO2013080152A1 DYNAMICALLY CONFIGURABLE PLACEMENT ENGINE 审中-公开
标题翻译：动态可配置发动机
公开(公告)号：WO2013080152A1
公开(公告)日：2013-06-06
申请号：PCT/IB2012/056823
申请日：2012-11-29
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , IBM (CHINA) INVESTMENT COMPANY LIMITED
发明人： FAWCETT, Bradley, William
IPC分类号： G06F15/16
CPC分类号： G06F9/30007 , G06F9/5061
摘要： A stream application may allocate processing elements to one or more compute nodes (or hosts) to achieve a desired optimization goal. Each optimization mode may define processing element selection criteria and/or host selection criteria. When allocating a processing element to a host, a scheduler may place each processing element individually. Accordingly, the scheduler may use the processing element selection criteria for selecting which processing element in the stream application to allocate next. The scheduler may then determine, based on one or more constraints, which host the processing element can be placed on. If the scheduler determines that multiple hosts are suitable candidates for the processing element, it may use the host selection criteria to pick one of the candidate hosts that further optimize the stream application to meet the desired goal. Examples of different optimization goals that may be achieved using processing element and host selection criteria include optimizing performance, decreasing maintenance and operating costs, increasing solvability, sharing limited computer resources with other applications, and the like.
摘要翻译：流应用可以将处理元件分配给一个或多个计算节点（或主机）以实现期望的优化目标。每个优化模式可以定义处理元素选择标准和/或主机选择标准。当向主机分配处理元件时，调度器可以单独地放置每个处理元件。因此，调度器可以使用处理元素选择标准来选择流应用中的哪个处理元素分配下一个。调度器然后可以基于一个或多个约束来确定可以放置处理元件的哪个主机。如果调度程序确定多个主机是处理元件的合适候选者，则它可以使用主机选择标准来选择进一步优化流应用以满足期望目标的候选主机之一。使用处理元件和主机选择标准可以实现的不同优化目标的示例包括优化性能，降低维护和操作成本，增加可解性，与其他应用共享有限的计算机资源等。

3. 发明申请

WO2013080150A1 AGILE HOSTPOOL ALLOCATOR 审中-公开
标题翻译： AGILE HOSTPOOL分配器
公开(公告)号：WO2013080150A1
公开(公告)日：2013-06-06
申请号：PCT/IB2012/056818
申请日：2012-11-29
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , IBM (CHINA) INVESTMENT COMPANY LIMITED
发明人： FAWCETT, Bradley, William
IPC分类号： G06F9/30 , G06F15/16
CPC分类号： H04L67/32 , G06F9/5066 , G06F2209/5011
摘要： A stream application may use small chunks of executable code configured to process data tuples flowing into a processing element. A scheduler allocates the processing elements to individual compute nodes or hosts for execution. However, the stream application may assign various constraints that stipulate which hosts are suitable for a particular processing element. To assign hosts to processing elements such that the constraints are satisfied, the scheduler may use hostpools associated with the processing elements. Once a host is identified that satisfies the constraints, it may be pinned at a particular index within the hostpool.
摘要翻译：流应用可以使用被配置为处理流入处理元件的数据元组的小块可执行代码。调度器将处理元素分配给各个计算节点或主机以供执行。然而，流应用可以分配规定哪些主机适合于特定处理元件的各种约束。为了将主机分配给处理元件以使得约束得到满足，调度器可以使用与处理元件相关联的主机池。一旦识别到满足约束的主机，它可能被固定在主机中的特定索引处。

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