error log :
230202 09:30:23 Executing FLUSH NO_WRITE_TO_BINLOG BINARY LOGS
xtrabackup: Unknown error 1158
Error: failed to execute query ‘FLUSH NO_WRITE_TO_BINLOG BINARY LOGS’: 2013 (HY000) Lost connection to MySQL server during query
mysql8.0 variables:
wait_timeout=30
interactive_timeout=28800
mysql has not been restarted,backup for more than 8 hours;I wonder if the mysql connection is over interactive_timeout.