xtrabackup_slave_info文件是空的

[gaoyang002]

/usr/local/xtrabackup_dir/bin/xtrabackup --defaults-file=/etc/percona-server.conf.d/mysqld.cnf --user=xtrabackup --password=... --datadir=/data/mysql57 --no-timestamp --slave-info --parallel=5 --backup --target-dir=/backup/tokudb_backup 这个备份完成后，xtrab ackup_slave_info文件是空的

[bohutang]

备份时输出日志是什么?

[bohutang]

当参数--slave-info的时候, 日志会打印一条:

MySQL binlog position: filename 'mysql-bin.000002', position '154', GTID of the last change 'xx'```