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27.12.21.3 The innodb_redo_log_files Table

The innodb_redo_log_files table contains a row for each active InnoDB redo log file. This table was introduced in MySQL 8.0.30.

The innodb_redo_log_files table has the following columns:

  • FILE_ID

    The ID of the redo log file. The value corresponds to the redo log file number.

  • FILE_NAME

    The path and file name of the redo log file.

  • START_LSN

    The log sequence number of the first block in the redo log file.

  • END_LSN

    The log sequence number after the last block in the redo log file.

  • SIZE_IN_BYTES

    The size of the redo log data in the file, in bytes. Data size is measured from the END_LSN to the start >START_LSN. The redo log file size on disk is slightly larger due to the file header (2048 bytes), which is not included in the value reported by this column.

  • IS_FULL

    Whether the redo log file is full. A value of 0 indicates that free space in the file. A value of 1 indicates that the file is full.

  • CONSUMER_LEVEL

    Reserved for future use.