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    • 4. 发明授权
    • Data propagation in a multi-shard database system
    • 数据传播在多分片数据库系统中
    • US08037024B1
    • 2011-10-11
    • US12133193
    • 2008-06-04
    • Tolga BozkayaDavid L. ButcherAndrew Chang HuangWendy TobagusDan Moisa
    • Tolga BozkayaDavid L. ButcherAndrew Chang HuangWendy TobagusDan Moisa
    • G06F17/30
    • G06F17/30581
    • Methods, systems and apparatus, including computer program products, for propagating data across shards of a database system are described. According to one method, a first request that includes instructions to place a second request in a queue of a second shard is placed in a queue of a first database shard, and the change is committed to the records of the first shard. A queue processor polling the queue fetches and dispatches the first request, placing the second request in a queue of a second database shard. The second request includes instructions for making the change to the second shard. A queue processor of the second database shard polls the queue of the second database, fetches the second request, and dispatches it to make the change on the second database shard.
    • 描述了用于在数据库系统的分片上传播数据的方法,系统和装置,包括计算机程序产品。 根据一种方法,包括将第二请求放置在第二分片的队列中的指令的第一请求被放置在第一数据库分片的队列中,并且改变被提交到第一分片的记录。 轮询队列的队列处理器提取并分派第一个请求,将第二个请求放在第二个数据库分片的队列中。 第二个请求包括对第二个分片进行更改的指令。 第二数据库分片的队列处理器轮询第二个数据库的队列,获取第二个请求,并对其进行调度,以便对第二个数据库分片进行更改。
    • 5. 发明授权
    • Streaming video processing
    • 流式视频处理
    • US08042142B1
    • 2011-10-18
    • US12332301
    • 2008-12-10
    • Rushabh A. DoshiWendy TobagusVijnan ShastriChristophe Chaland
    • Rushabh A. DoshiWendy TobagusVijnan ShastriChristophe Chaland
    • H04N7/173
    • H04N21/2343
    • In one embodiment, a method includes accessing data identifying a video for processing and mapping an instruction graph to the video based on one or more predetermined criteria and the data identifying the video. The instruction graph describes a workflow for processing the video, and the workflow includes a series of services that each provide particular processing of the video. The method includes calling the services in series to process the video based on the instruction graph. The video streams to each service in series as the video processes. A downstream service may begin processing one or more portions of the video after an upstream service has finished processing the one or more portions of the video and before the upstream service has finished processing the video in its entirety.
    • 在一个实施例中,一种方法包括访问识别用于处理视频的数据,以及基于一个或多个预定标准和识别视频的数据将指令图映射到视频。 指令图描述了用于处理视频的工作流程,并且工作流程包括一系列服务,每个服务都提供视频的特定处理。 该方法包括根据指令图串行调用服务来处理视频。 视频流中每个服务的视频串流。 在上游业务已经完成处理视频的一个或多个部分之后,以及在上游业务完成处理视频之前,下游业务可以开始处理视频的一个或多个部分。
    • 7. 发明授权
    • Data propagation in a multi-shard database system
    • 数据传播在多分片数据库系统中
    • US08209284B1
    • 2012-06-26
    • US13210511
    • 2011-08-16
    • Tolga BozkayaDavid L. ButcherAndrew Chang HuangWendy TobagusDan Moisa
    • Tolga BozkayaDavid L. ButcherAndrew Chang HuangWendy TobagusDan Moisa
    • G06F17/30
    • G06F17/30581
    • Methods, systems and apparatus, including computer program products, for propagating data across shards of a database system are described. According to one method, a first request that includes instructions to place a second request in a queue of a second shard is placed in a queue of a first database shard, and the change is committed to the records of the first shard. A queue processor polling the queue fetches and dispatches the first request, placing the second request in a queue of a second database shard. The second request includes instructions for making the change to the second shard. A queue processor of the second database shard polls the queue of the second database, fetches the second request, and dispatches it to make the change on the second database shard.
    • 描述了用于在数据库系统的分片上传播数据的方法,系统和装置,包括计算机程序产品。 根据一种方法,包括将第二请求放置在第二分片的队列中的指令的第一请求被放置在第一数据库分片的队列中,并且改变被提交到第一分片的记录。 轮询队列的队列处理器提取并分派第一个请求,将第二个请求放在第二个数据库分片的队列中。 第二个请求包括对第二个分片进行更改的指令。 第二数据库分片的队列处理器轮询第二个数据库的队列,获取第二个请求,并对其进行调度,以便对第二个数据库分片进行更改。