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Background documentation Log Write Time Locate the document in its SAP Library structure

Avg log write time (log_writer_task) <duration> ms, <number_of> writes, <number_of> pages

Avg log write time (dev_thread) <duration> ms, <number_of> writes, <number_of> pages

Explanation

The physical writing of log entries take too long. There is the risk of a bottleneck.

User Response

Check the reads and writes in the disk area or device on which the log volumes are located. If possible, only the log entries should be made here, and no other reads or writes. In certain circumstances, you may need to move the log volumes to a quicker device.

See also:

Database System Concepts, Logging Transactions

 

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