mysql 8 cloning progress

select stage,state,begin_time as start_time,end_time,round(data/1000/1000) as MB from performance_schema.clone_progress;

or more detailed:

select STAGE, STATE, CAST(BEGIN_TIME AS TIME) as "START TIME",
  CASE WHEN END_TIME IS NULL THEN
  LPAD(sys.format_time(POWER(10,12) * (UNIX_TIMESTAMP(now()) - UNIX_TIMESTAMP(BEGIN_TIME))), 10, ' ')
  ELSE
  LPAD(sys.format_time(POWER(10,12) * (UNIX_TIMESTAMP(END_TIME) - UNIX_TIMESTAMP(BEGIN_TIME))), 10, ' ')
  END as DURATION,
  LPAD(CONCAT(FORMAT(ROUND(ESTIMATE/1024/1024,0), 0), " MB"), 16, ' ') as "Estimate",
  CASE WHEN BEGIN_TIME IS NULL THEN LPAD('0%', 7, ' ')
  WHEN ESTIMATE > 0 THEN
  LPAD(CONCAT(CAST(ROUND(DATA*100/ESTIMATE, 0) AS BINARY), "%"), 7, ' ')
  WHEN END_TIME IS NULL THEN LPAD('0%', 7, ' ')
  ELSE LPAD('100%', 7, ' ') END as "Done(%)"
  from performance_schema.clone_progress;
  
  
  via: https://mysqlserverteam.com/clone-create-mysql-instance-replica/