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    • 2. 发明授权
    • Operator state checkpoint markers and rehydration
    • 操作员状态检查点标记和补液
    • US08726076B2
    • 2014-05-13
    • US13117165
    • 2011-05-27
    • Jonathan D. GoldsteinPeter A. ZabbackBadrish Chandramouli
    • Jonathan D. GoldsteinPeter A. ZabbackBadrish Chandramouli
    • G06F11/00G06F11/16
    • G06F11/1438G06F11/1471
    • A checkpoint marker can be received at a first operator. The first operator can process the checkpoint marker by sending the checkpoint marker to a second operator and sending state checkpoint information representing a state of the first operator to a checkpoint writer. The checkpoint information can be used to rehydrate the state of one or more operators. For example, after a system failure, system shutdown, etc., checkpoint information can be received from a reader unit at a checkpoint information input queue of the first operator. A state of the first operator can be rehydrated using the checkpoint information. Processing of information in a data input queue of the first operator can be suspended while the checkpoint information is used to rehydrate the state of the first operator. Other operators in a system with the first operator (e.g., the second operator) may be checkpointed and rehydrated in the same manner as the first operator.
    • 可以在第一个操作员处接收检查点标记。 第一个操作员可以通过将检查点标记发送到第二个操作符来处理检查点标记,并将表示第一个操作符的状态的状态检查点信息发送到检查点编写器。 检查点信息可用于对一个或多个操作员的状态进行补水。 例如,在系统故障,系统关机等之后,可以在第一运营商的检查点信息输入队列处从读取单元接收检查点信息。 可以使用检查点信息对第一操作者的状态进行再水化。 当使用检查点信息来补充第一操作者的状态时,可以暂停处理第一操作者的数据输入队列中的信息。 具有第一操作者(例如,第二操作者)的系统中的其他操作者可以以与第一操作者相同的方式进行检查点和再水化。
    • 5. 发明申请
    • OPERATOR STATE CHECKPOINTS
    • 操作员状态检查
    • US20120304003A1
    • 2012-11-29
    • US13117165
    • 2011-05-27
    • Jonathan D. GoldsteinPeter A. ZabbackBadrish Chandramouli
    • Jonathan D. GoldsteinPeter A. ZabbackBadrish Chandramouli
    • G06F11/14
    • G06F11/1438G06F11/1471
    • A checkpoint marker can be received at a first operator. The first operator can process the checkpoint marker by sending the checkpoint marker to a second operator and sending state checkpoint information representing a state of the first operator to a checkpoint writer. The checkpoint information can be used to rehydrate the state of one or more operators. For example, after a system failure, system shutdown, etc., checkpoint information can be received from a reader unit at a checkpoint information input queue of the first operator. A state of the first operator can be rehydrated using the checkpoint information. Processing of information in a data input queue of the first operator can be suspended while the checkpoint information is used to rehydrate the state of the first operator. Other operators in a system with the first operator (e.g., the second operator) may be checkpointed and rehydrated in the same manner as the first operator.
    • 可以在第一个操作员处接收检查点标记。 第一个操作员可以通过将检查点标记发送到第二个操作符来处理检查点标记,并将表示第一个操作符的状态的状态检查点信息发送到检查点编写器。 检查点信息可用于对一个或多个操作员的状态进行补水。 例如,在系统故障,系统关机等之后,可以在第一运营商的检查点信息输入队列处从读取单元接收检查点信息。 可以使用检查点信息对第一操作者的状态进行再水化。 当使用检查点信息来补充第一操作者的状态时,可以暂停处理第一操作者的数据输入队列中的信息。 具有第一操作者(例如,第二操作者)的系统中的其他操作者可以以与第一操作者相同的方式进行检查点和再水化。