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Lists the XA Activity metrics and provides a brief description of each.
Table 6.42 XA Activity Metrics
|Log Max Pages Used||For the memory-mapped implementation of the log that is used by mysqld when it acts as the transaction coordinator for recovery of internal XA transactions, this variable indicates the largest number of pages used for the log since the server started.|
|Log Page Size||The page size used for the memory-mapped implementation of the XA recovery log.|
|Log Page Waits (Delta)||For the memory-mapped implementation of the recovery log, this variable increments each time the server was not able to commit a transaction and had to wait for a free page in the log.|