Database backup is not full in size

ERPNext
1

Dear Support Team,

                     ERPNEXT database back up is not getting full, two days back my backup was 937.5 MB and today I am seeing backup is only 55.30 MB. and when i restore in VM not succeeded.  please see two snap of different date.  Please help me

chrome_j7sVt4lLSV
chrome_j7sVt4lLSV1366×768 130 KB

chrome_s2BbjAiBPX
chrome_s2BbjAiBPX1366×768 137 KB

Thanks
Manish Chavhan

2

hi please give a solution for this