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    • 1. 发明申请
    • Bypassing native storage operations by communicating protected data within locking messages using a lock manager independent of the storage mechanism
    • 通过使用独立于存储机制的锁定管理器在锁定消息内传递受保护数据来绕过本地存储操作
    • US20050216461A1
    • 2005-09-29
    • US10811044
    • 2004-03-27
    • John WilliamsJohn FingerhutJonathan Rosen
    • John WilliamsJohn FingerhutJonathan Rosen
    • G06F17/30
    • G06F9/526G06F17/30362G06F2209/522Y10S707/99938Y10S707/99939
    • Data is protected using locks, with the protected data sometimes being included in the locking messages, which may reduce overall processing latency, and/or reduce a bandwidth requirement for and/or number of storage operations accessing the native storage of the protected data. For example, the lock manager receives lock requests from each of the requesters, and selectively grants the lock requests. The protected data is typically communicated in the locking messages when the lock is highly contested, or at least two request for access to the data are pending. The lock manager initiates the sequence by indicating in a grant message to a requester to include the protected data in its release message. The lock manager then copies this data received in the release message to its grant message to the next requestor. If no other requesters are waiting, the grant message includes an indication not to send the protected data, and thus the requestor typically stores this protected data to storage so it can be accessed in the future.
    • 使用锁保护数据,受保护的数据有时被包括在锁定消息中,这可以减少整体处理延迟,和/或减少访问受保护数据的本机存储的存储操作的带宽需求和/或数量。 例如,锁管理器从每个请求者接收锁请求,并且选择性地授予锁请求。 当锁被高度争议时,或者至少两个访问数据的请求正在等待时,受保护的数据通常在锁定消息中传达。 锁管理器通过在请求者的授权消息中指示将受保护数据包括在其释放消息中来发起序列。 然后,锁管理器将释放消息中收到的数据复制到其授权消息给下一个请求者。 如果没有其他请求者正在等待,则授权消息包括不发送受保护数据的指示,因此请求者通常将该受保护数据存储到存储器中,以便将来可以访问该保护数据。