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公开(公告)号：US20180205613A1
公开(公告)日：2018-07-19
申请号：US15662042
申请日：2017-07-27
CPC分类号： H04L41/12 , H04L43/0811 , H04L43/0817 , H04L61/2007 , H04L67/1097
摘要： Disclosed herein are a method for automatically allocating IP addresses for a distributed storage system in a large-scale torus network and an apparatus for the method. The method for automatically allocating IP addresses includes acquiring neighboring-node information from multiple storage nodes that constitute the system; generating torus network topology for the multiple storage nodes by combining the neighboring-node information; generating IP address information through which a position of each of the multiple storage nodes in a structure corresponding to the torus network topology can be identified; and allocating IP addresses to the multiple storage nodes by delivering the IP address information to the multiple storage nodes.
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2.发明申请公开(公告)号：US20180203875A1
公开(公告)日：2018-07-19
申请号：US15661961
申请日：2017-07-27
CPC分类号： G06F16/183 , G06F16/148 , H04L67/06 , H04L67/1008 , H04L67/1023 , H04L67/1031 , H04L67/1097
摘要： Disclosed herein are a method for extending and shrinking a volume of a distributed file system based on a torus network and an apparatus for the same. The method for extending a volume includes searching for a volume neighboring a target volume, the extension of which is requested; determining a direction in which a data server is to be added in consideration of whether the neighboring volume is to be extended; searching for multiple candidate data servers in the direction in which a data server is to be added based on the target volume; and adding any one of the multiple candidate data servers to the target volume in consideration of at least one of a server state and a network communication cost.
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公开(公告)号：US20180212795A1
公开(公告)日：2018-07-26
申请号：US15663477
申请日：2017-07-28
发明人： Chei-Yol KIM , Dong-Oh KIM , Young-Kyun KIM , Young-Chul KIM , Hong-Yeon KIM
IPC分类号： H04L12/403 , G06F3/06
摘要： Disclosed herein is a distributed file system using a torus network. The distributed file system includes multiple servers. The location of a master server may be determined to shorten the latency of data input/output. The location of the master server may be determined such that the distance between the master server and a node farthest away from the master server, among nodes, is minimized. When the location of the master server is determined, the characteristics of the torus network and the features of a propagation transmission scheme may be taken into consideration.
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公开(公告)号：US20150242437A1
公开(公告)日：2015-08-27
申请号：US14629513
申请日：2015-02-24
发明人： Sang-Min LEE , Hong-Yeon KIM , Young-Kyun KIM
CPC分类号： G06F17/30194 , G06F17/30168 , H04L67/2842
摘要： Disclosed are a method and apparatus for reading data in a distributed file system in which a client and a server are separated. In the method and apparatus, a prefetching operation is performed to provide a continuous read function with high performance even in the distributed file system so that an optimum continuous read function of a local file system within the client may be effectively supported when an application program of the client requests continuous reading on a file (or chunk).
摘要翻译： 公开了一种在客户端和服务器分离的分布式文件系统中读取数据的方法和装置。 在该方法和装置中，执行预取操作以提供即使在分布式文件系统中具有高性能的连续读取功能，使得当客户端中的本地文件系统的最佳连续读取功能可以被有效地支持时， 客户端请求连续读取文件（或块）。
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5.发明申请SYSTEM AND METHOD FOR PROVIDING VIRTUAL DESKTOP SERVICE USING CACHE SERVER 有权使用高速缓存服务器提供虚拟桌面服务的系统和方法公开(公告)号：US20140317223A1
公开(公告)日：2014-10-23
申请号：US14193736
申请日：2014-02-28
发明人： Jeong-Sook PARK , Soo-Young KIM , Chei-Yol KIM , Young-Chang KIM , Sang-Min LEE , Hong-Yeon KIM , Young-Kyun KIM
IPC分类号： H04L29/08
CPC分类号： H04L67/2842 , H04L67/1097 , H04L67/2847
摘要： There are provided a system and method for providing a virtual desktop service using a cache server. A system for providing a virtual desktop service according to the invention includes a host server configured to provide a virtual desktop service to a client terminal using a virtual machine, a distributed file system configured to store data for the virtual machine, and a cache server that is provided for each host server group having at least one host server, and performs a read process or a write process of data using physically separate caches when the read process or write process of the data is requested from the virtual machine in the host server.
摘要翻译： 提供了一种使用缓存服务器提供虚拟桌面服务的系统和方法。 根据本发明的用于提供虚拟桌面服务的系统包括被配置为使用虚拟机向客户终端提供虚拟桌面服务的主机服务器，被配置为存储虚拟机的数据的分布式文件系统，以及缓存服务器， 被提供给具有至少一个主机服务器的每个主机服务器组，并且当从主机服务器中的虚拟机请求了数据的读取处理或写入处理时，使用物理上分离的高速缓存来执行数据的读取处理或写入处理。
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6.发明公开公开(公告)号：US20240176759A1
公开(公告)日：2024-05-30
申请号：US18521396
申请日：2023-11-28
发明人： Baik-Song AN , Ki-Dong KANG , Hong-Yeon KIM , Myung-Hoon CHA
摘要： Disclosed herein are a method for machine-learning parallelization using host CPUs of a multi-socket structure and an apparatus therefor. The method, performed by the apparatus for machine-learning parallelization using host CPUs of a multi-socket structure, includes a compile phase in which a learning model is split at a layer level for respective pipeline stages and allocated to Non-Uniform Memory Access (NUMA) nodes for respective CPU sockets and a runtime phase in which parameters required for learning are initialized and multiple threads generated in consideration of a policy of each parallelism algorithm are executed by being allocated to respective cores included in the NUMA node.
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7.发明公开公开(公告)号：US20240176756A1
公开(公告)日：2024-05-30
申请号：US18345083
申请日：2023-06-30
发明人： Ki-Dong KANG , Hong-Yeon KIM , Baik-Song AN , Myung-Hoon CHA
IPC分类号： G06F13/362 , G06F9/38 , G06F9/48
CPC分类号： G06F13/3625 , G06F9/3885 , G06F9/4881
摘要： Disclosed herein is a method for distributed training of an AI model in a channel-sharing network environment. The method includes determining whether data parallel processing is applied, calculating a computation time and a communication time when input data is evenly distributed across multiple computation devices, and unevenly distributing the input data across the multiple computation devices based on the computation time and the communication time.
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8.发明申请公开(公告)号：US20190243908A1
公开(公告)日：2019-08-08
申请号：US16199036
申请日：2018-11-23
发明人： Sang-Min LEE , Hong-Yeon KIM , Young-Kyun KIM
IPC分类号： G06F17/30
CPC分类号： G06F16/172 , G06F16/182
摘要： Disclosed herein are a storage server and an adaptive prefetching method performed by the storage server in a distributed file system. An adaptive prefetching method includes receiving, by a management request processing unit of a storage server, a stream generation request from a client, sending, by the management request processing unit, a stream identifier and information about an I/O worker, which correspond to the stream generation request, to the client, receiving, by the management request processing unit, a read request from the client, inserting, by the management request processing unit, the read request into a queue of the I/O worker corresponding to the read request, performing, by the I/O worker, adaptive prefetching for the read request using an identifier of a file object of stream information corresponding to the read request, and transmitting, by the I/O worker, data that is read by performing adaptive prefetching to the client.
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9.发明申请公开(公告)号：US20190129976A1
公开(公告)日：2019-05-02
申请号：US16158088
申请日：2018-10-11
发明人： Myung-Hoon CHA , Young-Kyun KIM , Hong-Yeon KIM , Sang-Min LEE
IPC分类号： G06F17/30
摘要： Disclosed herein is an apparatus for controlling synchronization of metadata, which includes a transaction creation unit for creating a transaction corresponding to a request for an operation for metadata, the request being received from a client; a journal management unit for storing the transaction in a journal; a journal synchronization unit for comparing the journal with an external journal in a node connected with the apparatus and transmitting and receiving only inconsistencies therebetween, thereby synchronizing the journal; and an operation-processing unit for processing the request for the operation or the transaction for the metadata.
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公开(公告)号：US20230168977A1
公开(公告)日：2023-06-01
申请号：US18057071
申请日：2022-11-18
发明人： Sang-Min LEE , Hong-Yeon KIM , Baik-Song AN , Myung-Hoon CHA
CPC分类号： G06F11/1484 , G06F11/079 , G06F11/0772
摘要： Disclosed herein are an apparatus and method for page allocation in a many-to-one virtualization environment. The method may include determining whether a page fault interrupt is caused by page initialization for page allocation, sending an ownership change message to a node having ownership of the corresponding page when the page fault interrupt is determined to be caused by page initialization, and initializing the corresponding page upon receiving an ownership-change-processing-complete message.
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