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公开(公告)号:US08595184B2
公开(公告)日:2013-11-26
申请号:US12782730
申请日:2010-05-19
申请人: Nanshan Zeng , Meng Ye , Honghua Feng , Junwei Xu , Yu-chao Cao , Yingjun Yu , Lin Song
发明人: Nanshan Zeng , Meng Ye , Honghua Feng , Junwei Xu , Yu-chao Cao , Yingjun Yu , Lin Song
CPC分类号: G06F17/30312 , G06F11/2041 , G06F11/2097 , G06F17/30997
摘要: Metadata may be stored in, and retrieved from, a scalable, fault-tolerant metadata service. In one example, metadata is divided into partitions, and each partition is served by one or more nodes. For each partition, a first one of the nodes may handle read and write requests, and the other nodes may handle read requests in the event that the first node is down or is experiencing high load. When a request is made with respect to metadata, a metadata server may identify a node, in the partition to which the metadata is assigned, to which the request is to be made. The entity that is making the request then contacts that node, and requests the read or write on the metadata. In a partition, metadata may be replicated between the first node and the other nodes using a log-based replication protocol.
摘要翻译: 元数据可以存储在可扩展的容错元数据服务中并从其检索。 在一个示例中,元数据被划分成分区,并且每个分区由一个或多个节点服务。 对于每个分区,第一个节点可以处理读取和写入请求,并且其他节点可以在第一个节点关闭或正在经历高负载的情况下处理读取请求。 当针对元数据提出请求时,元数据服务器可以识别要向其分配请求的分配中的元数据分配的节点。 然后,发出请求的实体联系该节点,并请求读取或写入元数据。 在分区中,可以使用基于日志的复制协议在第一节点和其他节点之间复制元数据。
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公开(公告)号:US20110289049A1
公开(公告)日:2011-11-24
申请号:US12782730
申请日:2010-05-19
申请人: Nanshan Zeng , Meng Ye , Honghua Feng , Junwei Xu , Yu-chao Cao , Yingjun Yu , Lin Song
发明人: Nanshan Zeng , Meng Ye , Honghua Feng , Junwei Xu , Yu-chao Cao , Yingjun Yu , Lin Song
IPC分类号: G06F17/30
CPC分类号: G06F17/30312 , G06F11/2041 , G06F11/2097 , G06F17/30997
摘要: Metadata may be stored in, and retrieved from, a scalable, fault-tolerant metadata service. In one example, metadata is divided into partitions, and each partition is served by one or more nodes. For each partition, a first one of the nodes may handle read and write requests, and the other nodes may handle read requests in the event that the first node is down or is experiencing high load. When a request is made with respect to metadata, a metadata server may identify a node, in the partition to which the metadata is assigned, to which the request is to be made. The entity that is making the request then contacts that node, and requests the read or write on the metadata. In a partition, metadata may be replicated between the first node and the other nodes using a log-based replication protocol.
摘要翻译: 元数据可以存储在可扩展的容错元数据服务中并从其检索。 在一个示例中,元数据被划分成分区,并且每个分区由一个或多个节点服务。 对于每个分区,第一个节点可以处理读取和写入请求,并且其他节点可以在第一个节点关闭或正在经历高负载的情况下处理读取请求。 当针对元数据提出请求时,元数据服务器可以识别要向其分配请求的分配中的元数据分配的节点。 然后,发出请求的实体联系该节点,并请求读取或写入元数据。 在分区中,可以使用基于日志的复制协议在第一节点和其他节点之间复制元数据。
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