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公开(公告)号：US20130227332A1
公开(公告)日：2013-08-29
申请号：US13408045
申请日：2012-02-29
IPC分类号： G06F11/00
CPC分类号： G06Q10/063114 , G06F9/466 , G06F11/1402 , G06F11/1438 , G06F17/30359 , G06F2201/825
摘要： Embodiments of the invention provide systems and methods for recovering a failed data summarization. According to one embodiment, recovering a failed instance can comprise processing existing summarization instances identified as instances for which a new data summarization instance needs to wait. Upon a completion or a timeout of each of the instances identified as instances for which the new data summarization instance needs to wait, an exclusive lock can be acquired on a table storing scope information for the plurality of data summarization instances. One or more existing data summarization instances that match the new data summarization instance or that have an overlapping scope with the new data summarization instance can be processed, remaining tasks to be performed by the new data summarization instance can be defined, the exclusive lock can be released, and the remaining tasks to be performed by the new data summarization instance can be performed.
摘要翻译： 本发明的实施例提供了用于恢复故障数据摘要的系统和方法。 根据一个实施例，恢复失败的实例可以包括处理被识别为新数据摘要实例需要等待的实例的现有摘要实例。 在被识别为新数据汇总实例需要等待的实例的每个实例的完成或超时时，可以在存储用于多个数据汇总实例的范围信息的表上获取排他锁。 可以处理与新数据汇总实例匹配的一个或多个现有数据汇总实例，或与新数据汇总实例具有重叠作用域的一个或多个现有数据汇总实例，可以定义由新数据汇总实例执行的剩余任务，独占锁可以 释放，并且可以执行由新数据汇总实例执行的剩余任务。
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公开(公告)号：US08839033B2
公开(公告)日：2014-09-16
申请号：US13408045
申请日：2012-02-29
IPC分类号： G06F11/00
CPC分类号： G06Q10/063114 , G06F9/466 , G06F11/1402 , G06F11/1438 , G06F17/30359 , G06F2201/825
摘要： Embodiments of the invention provide systems and methods for recovering a failed data summarization. According to one embodiment, recovering a failed instance can comprise processing existing summarization instances identified as instances for which a new data summarization instance needs to wait. Upon a completion or a timeout of each of the instances identified as instances for which the new data summarization instance needs to wait, an exclusive lock can be acquired on a table storing scope information for the plurality of data summarization instances. One or more existing data summarization instances that match the new data summarization instance or that have an overlapping scope with the new data summarization instance can be processed, remaining tasks to be performed by the new data summarization instance can be defined, the exclusive lock can be released, and the remaining tasks to be performed by the new data summarization instance can be performed.
摘要翻译： 本发明的实施例提供了用于恢复故障数据摘要的系统和方法。 根据一个实施例，恢复失败的实例可以包括处理被识别为新数据摘要实例需要等待的实例的现有摘要实例。 在被识别为新数据汇总实例需要等待的实例的每个实例的完成或超时时，可以在存储用于多个数据汇总实例的范围信息的表上获取排他锁。 可以处理与新数据汇总实例匹配的一个或多个现有数据汇总实例，或与新数据汇总实例具有重叠作用域的一个或多个现有数据汇总实例，可以定义由新数据汇总实例执行的剩余任务，独占锁可以 释放，并且可以执行由新数据汇总实例执行的剩余任务。
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