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WRITE-AHEAD LOGGING THROUGH A PLURALITY OF LOGGING BUFFERS USING NVM
WRITE-AHEAD LOGGING THROUGH A PLURALITY OF LOGGING BUFFERS USING NVM
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机译:通过使用NVM的多个日志记录缓冲区进行预写日志记录
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摘要
An example system for write-ahead logging through a plurality of logging buffers using a non-volatile memory (NVM) is disclosed. The example disclosed herein comprises a processing unit coupled to one or more controllers from one or more client applications. The example also comprises a plurality of logging buffers to receive a plurality of first log data threads based on a predetermined timestamp range, wherein each log buffer stores a single first timestamp log data thread from a plurality of timestamp log data threads. The example further comprises a flusher to flush the plurality of first timestamp log data threads from the plurality of logging buffers to a first timestamp log data. The flusher stores the first timestamp log data to an NVM to build flushed timestamp log data. The example further comprises a syncer to sync the flushed timestamp log data from the NVM to an HD device in time stamp sequential order.
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