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1. 发明申请

US20140372486A1 In-Database Sharded Queue 有权
标题翻译：数据库内分片队列
公开(公告)号：US20140372486A1
公开(公告)日：2014-12-18
申请号：US14095543
申请日：2013-12-03
申请人： Oracle International Corporation
发明人： Shubha Bose , Devendra Singh , Neerja Bhatt , Sujatha Janardhanan , Gaurav Garg , Yang Seok Ki , Abhishek Saxena , Alan Downing
IPC分类号： G06F17/30
CPC分类号： G06F17/30595 , G06F9/546 , G06F17/30575 , G06F17/30607
摘要： A method and apparatus for an in-database sharded queue that supports JMS session ordering is provided. Messages from a plurality of enqueuers are stored in a plurality of shards of a particular queue. For each enqueuer, all messages are stored in only one of the shards. Each shard includes one or more subshards, each subshard having one or more partitions of a queue table maintained by a relational database system. All messages from a first enqueuer are stored in partitions of the queue table that are assigned to a first shard of the plurality of shards. All messages from a second enqueuer are stored in partitions of the queue table that are assigned to a second shard of the plurality of shards. Subscribers of the particular queue are caused to dequeue messages from the plurality of shards.
摘要翻译：提供了一种支持JMS会话排序的数据库内分片队列的方法和装置。来自多个入站者的消息被存储在特定队列的多个分片中。对于每个进入者，所有消息都只存储在其中一个分片中。每个分片包括一个或多个子硬件，每个子硬件具有由关系数据库系统维护的队列表的一个或多个分区。来自第一入站者的所有消息都存储在分配给多个分片的第一分片的队列表的分区中。来自第二进入者的所有消息都存储在分配给多个分片的第二分片的队列表的分区中。导致特定队列的订阅者从多个分片中出现消息。

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