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1. 发明授权

US09811573B1 Lineage information management in data analytics 有权
公开(公告)号：US09811573B1
公开(公告)日：2017-11-07
申请号：US14039537
申请日：2013-09-27
申请人： EMC Corporation
发明人： Dong Xiang , Stephen Todd , Qiyan Chen
IPC分类号： G06F17/30
CPC分类号： G06F17/30557 , G06F17/30572
摘要： A data analytics workload is obtained, wherein the data analytics workload includes one or more execution parameters and an input data set. An identifier specific to the data analytics workload is generated. The data analytics workload is at least partially executed based on the one or more execution parameters and the input data set to generate an output data set. Meta data associated with the output data set generated by execution of the data analytics workload is obtained, wherein the meta data includes lineage information corresponding to the output data set generated by execution of the input data set. The meta data is registered in a meta data store.

2. 发明授权

US09262217B1 Computation resource cyclic utilization 有权
标题翻译：计算资源循环利用
公开(公告)号：US09262217B1
公开(公告)日：2016-02-16
申请号：US13927341
申请日：2013-06-26
申请人： EMC Corporation
发明人： Dong Xiang , Yu Cao , Jun Tao , Ziye Yang , Stephen Todd
IPC分类号： G06F9/46 , G06F9/50 , G06F9/48
CPC分类号： G06F9/5011 , G06F9/4887 , G06F2209/504 , Y02D10/22
摘要： A resource request is sent from a user to a resource controller. The resource controller is resident on a node of a distributed computing platform comprising a plurality of nodes configured to collectively execute at least one application program. A quota pool associated with the resource controller is searched for a matching resource quota for the user to inherit. The resource quota is assigned to the user when a matching resource quota for the user to inherit is found in the quota pool. The resource request is forwarded to a resource scheduler that globally manages resources for the distributed computing platform, when a matching resource quota for the user to inherit is not found in the quota pool.
摘要翻译：资源请求从用户发送到资源控制器。资源控制器驻留在分布式计算平台的节点上，包括被配置为共同执行至少一个应用程序的多个节点。搜索与资源控制器相关联的配额池，以获取用户继承的匹配资源配额。在配额池中找到用于继承的用户的匹配资源配额时，将资源配额分配给用户。当在配额池中找不到要继承的用户的匹配资源配额时，将资源请求转发到全局管理分布式计算平台的资源的资源调度程序。

3. 发明申请

US20150286656A1 GENOMIC APPLICATION DATA STORAGE 审中-公开
标题翻译：基因应用数据存储
公开(公告)号：US20150286656A1
公开(公告)日：2015-10-08
申请号：US14747347
申请日：2015-06-23
申请人： EMC Corporation
发明人： Hamid R. Djam , Craig Stewart , Michael Hancock , Qiyan Chen , Feng Guo , Kay Yan , Dong Xiang
IPC分类号： G06F17/30 , H04L12/911
CPC分类号： G06F17/30221 , G06F9/50 , G06F9/5072 , G06F17/30312 , G06F19/18 , G06F19/28 , H04L47/782
摘要： It is decided whether to increase a total amount of storage in a pool of Hadoop storage and whether to increase a total amount of processing in a pool of Hadoop processing. If it is decided to increase the total amount of storage and not increase the total amount of processing, the total amount of storage is increased without increasing processing. If it is decided to not increase the total amount of storage and increase the total amount of processing, the total amount of processing is increased without increasing storage. In response to receiving a request to perform a process on a set of data, processing is allocated from the pool of processing and storage is allocated from the pool of storage where the allocated processing and storage are used to perform the process on the set of data.
摘要翻译：决定是否增加Hadoop存储池中的总存储量，以及是否增加Hadoop处理池中的总处理量。如果决定增加总存储量并且不增加处理总量，则在不增加处理的情况下增加总存储量。如果决定不增加总存储量并增加处理总量，则加工总量不增加存储量而增加。响应于接收到对一组数据执行处理的请求，从处理池分配处理，并且从存储池中分配存储，其中使用分配的处理和存储来对该组数据执行处理。

4. 发明申请

US20140259025A1 METHOD AND APPARATUS FOR PARALLEL COMPUTING 审中-公开
标题翻译：并行计算的方法和装置
公开(公告)号：US20140259025A1
公开(公告)日：2014-09-11
申请号：US14197638
申请日：2014-03-05
申请人： EMC Corporation
发明人： Dong Xiang , Yu Cao , Jun Tao
IPC分类号： G06F9/52
CPC分类号： G06F9/52 , G06F9/4881 , G06F2209/484
摘要： The present invention relates to a method and apparatus for parallel computing. According to one embodiment of the present invention, there is provided a job parallel processing method, the job processing at least comprising executing an upstream task in a first phase and executing a downstream task in a second phase. The method comprises: quantitatively determining data dependence between the upstream task and the downstream task; and selecting time for initiating the downstream task at least partially based on the data dependence. There is further disclosed a corresponding apparatus. According to embodiments of the present invention, it is possible to more accurately and quantitatively determine data dependence between tasks during different phases and thus select the right time to initiate a downstream task.
摘要翻译：本发明涉及一种并行计算的方法和装置。根据本发明的一个实施例，提供了一种作业并行处理方法，所述作业处理至少包括在第一阶段中执行上游任务并在第二阶段中执行下游任务。该方法包括：定量确定上游任务与下游任务之间的数据依赖关系; 以及至少部分地基于数据依赖性来选择启动下游任务的时间。还公开了相应的装置。根据本发明的实施例，可以更准确和定量地确定在不同阶段之间的任务之间的数据依赖性，从而选择启动下游任务的正确时间。

5. 发明授权

US09268784B1 Content-aware distributed deduplicating storage system based on locality-sensitive hashing 有权
标题翻译：基于区域敏感散列的内容感知分布式重复数据删除存储系统
公开(公告)号：US09268784B1
公开(公告)日：2016-02-23
申请号：US13622553
申请日：2012-09-19
申请人： EMC Corporation
发明人： Feng Guo , Qiyan Chen , Mandavilli Navneeth Rao , Lintao Wan , Dong Xiang
IPC分类号： G06F17/30 , G06F3/06
CPC分类号： G06F17/30156 , G06F3/0641
摘要： Backup data is processed by obtaining a set of metadata associated with backup data. A locality-sensitive hash key is generated for the backup data based at least in part on the set of metadata. The backup data is assigned to one of a plurality of deduplication nodes based at least in part on the locality-sensitive hash key.
摘要翻译：通过获取与备份数据相关联的一组元数据来处理备份数据。至少部分地基于该元数据集，为备份数据生成对地点敏感的散列密钥。至少部分地基于区域敏感的散列密钥将备份数据分配给多个重复数据删除节点之一。

6. 发明申请

US20140258987A1 DETERMINING CORRECTNESS OF AN APPLICATION 审中-公开
标题翻译：确定应用的正确性
公开(公告)号：US20140258987A1
公开(公告)日：2014-09-11
申请号：US14198019
申请日：2014-03-05
申请人： EMC Corporation
发明人： Baoyao Zhou , Tao Chen , Tianqing Wang , Jun Tao , Dong Xiang , Yu Cao
IPC分类号： G06F11/36
CPC分类号： G06F11/3692
摘要： The present invention provides a method for determining correctness of an application, comprising: obtaining a dataset and a reference running result for the application; and determining correctness of the application based on a comparison between the reference running result and an actual running result of the dataset on the application. Through the method, the users can connect to a standard task tool repository, thereby using a data-driven testing method as a complement to the existing quality assurance framework.
摘要翻译：本发明提供了一种用于确定应用程序的正确性的方法，包括：获得应用的数据集和参考运行结果; 以及基于所述参考运行结果与所述数据集在所述应用上的实际运行结果之间的比较来确定所述应用的正确性。通过该方法，用户可以连接到标准任务工具库，从而使用数据驱动的测试方法作为现有质量保证框架的补充。

7. 发明授权

US10719072B2 Method and apparatus for diagnosis and recovery of system problems 有权
公开(公告)号：US10719072B2
公开(公告)日：2020-07-21
申请号：US14058511
申请日：2013-10-21
申请人： EMC Corporation
发明人： Tianqing Wang , Feng Guo , Lintao Wan , Dong Xiang , Qiyan Chen , Tao Chen
IPC分类号： G05B23/02 , G06F11/07
摘要： Embodiments of the present invention relate to method and apparatus for system problem diagnosis and recovery. According to embodiments of the present invention, problem symptom information in a system can be automatically monitored and collected BY a monitoring apparatus (or referred as to “agent”) deployed at the system side. Upon after receiving such information, the diagnosis apparatus, for example, may automatically determine a root cause of the problem by querying a backend knowledge repository, and possibly generate an executable software package for recovering the problem. If the diagnosis apparatus determines that the currently available information is insufficient to determine a creditable enough root cause and/or is insufficient to generate the software package for recovering the problem, the diagnosis apparatus may interactively control the monitoring apparatus to collect desired additional information. In this way, the efficiency and accuracy of problem diagnosis and recovery may be improved.

8. 发明授权

US09953075B1 Data classification system for hybrid clouds 有权
公开(公告)号：US09953075B1
公开(公告)日：2018-04-24
申请号：US13728490
申请日：2012-12-27
申请人： EMC Corporation
发明人： David Stephen Reiner , Lintao Wan , Qiyan Chen , Tianqing Wang , Feng Golfen Guo , Dong Xiang
IPC分类号： G06F17/30 , G06N99/00
CPC分类号： G06F17/30598 , G06N99/005
摘要： A data classification system is associated with a hybrid cloud comprising at least one private cloud and at least one public cloud. The data classification system comprises a data set classification model classifying data sets, a cloud classification model classifying the private and public clouds of the hybrid cloud, and mapping policies each specifying a particular mapping between one or more classes of the data set classification model and one or more classes of the cloud classification model. The data classification system classifies a received data set using the data set classification model, and determines for the received data set at least one cloud of the hybrid cloud to which the received data set should be directed for further processing based at least in part on a result of the classification of the received data set, the cloud classification model and a selected one of the mapping policies.

9. 发明授权

US09922045B2 Data management in a multi-tenant distributive environment 有权
公开(公告)号：US09922045B2
公开(公告)日：2018-03-20
申请号：US14211109
申请日：2014-03-14
申请人： EMC Corporation
发明人： Kai Yan , Feng Guo , Dong Xiang , Lin Peng , Ziye Yang
IPC分类号： G06F17/00 , G06F17/30
CPC分类号： G06F17/30194 , G06F17/30233
摘要： The present invention relates to a method and apparatus for data management in multi-tenant distributive environment. According to the embodiments of the present invention, a tenant-specific virtual metadata server may be created and registered with a task manager in a job processing system. The virtual metadata server provides a tenant-specific logical file system namespace. Any access to tenant data will be performed via the virtual metadata server. In other words, such virtual metadata server acts as an interface between a tenant terminal and an entity file system. In this way, it may effectively realize isolation of tenant data and enhance data security. Moreover, by using a virtual metadata server rather than physically isolating user data, the embodiments of the present invention may guarantee the efficiency of data sharing while improving the data security.

10. 发明授权

US09721038B1 Collaborative data visualization 有权
公开(公告)号：US09721038B1
公开(公告)日：2017-08-01
申请号：US13827452
申请日：2013-03-14
申请人： EMC Corporation
发明人： Dong Xiang , Stephen Todd
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F17/30943 , G06Q10/101
摘要： Information processing techniques for providing collaborative data visualization in a computing system. For example, a method comprises the following steps. A data visualization asset is obtained. The data visualization asset comprises a data component, an execution context component, and a visual asset component, wherein at least one visual asset of the visual asset component is generated from a data set of the data component by execution of at least one process of the execution context component. Collaborative modification of the data visualization asset by at least a portion of a plurality of users is enabled in accordance with a given policy. Information corresponding to the modification of the data visualization asset is tracked.

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