I am trying to import some relatively large databases, over 100 GB dump file.When I try to import the dump files with a command like:
mysql -h localhost -u username -p dbname < backup.sql
after some hours it fails and it prints last line, I cannot see upper if there is a start of error, because I am in screen and screen only shows end of output.
What I get there is a dump line like:
,('daga88.bet',0,1,1,0,6,257078,-132553,1662996449,179113,598788,NULL,NULL,0,0,1712710000,NULL,1710150000,1652513002,NULL),('daga88.com',1,1,1,0,6,266021,0,1672675038,266021,266021,NULL,NULL,0,0,1672675098,0,1708690000,1672687391,NULL),('daga88.live',0,1,1,0,6,471459,0,1655308937,471459,471459,NULL,NULL,0,0,1707210000,0,1710150000,1655345529,NULL),('daga888.live',0,1,1,0,7,344485,0,1655736029,344485,344485,NULL,NULL,0,0,1707640000,0,1710150000,1655753000,NULL),('daga88vn.net',1,1,1,0,8,620701,0,1648227623,620701,620701,NULL,NULL,0,0,1697470000,0,1715620000,1652513003,NULL),('daga99.net',1,1,1,0,6,692132,0,1582125484,329203,746817,'not found',NULL,0,1683060000,1712150000,0,1713570000,1652513047,NULL),('daga999.com',1,1,1,0,7,382440,0,1630243622,382440,382440,NULL,NULL,0,0,1716600000,0,1717490000,1652513049,NULL),('daga999.net',1,1,1,0,7,630164,0,1581778443,630164,630164,NULL,NULL,0,0,1709620000,0,1714150000,1652513051,NULL),('dagaa.in',0,1,0,0,5,219833,-76305,1646767866,219833,330146,NULL,NULL,0,0,1701070000,0,1710150000,1652513053,NULL),('dagaa.mx',0,1,0,0,5,28433'.Then I open the dump file with vi editor to look at that line and I see this:
('dagaa.mx',0,1,0,0,5,28433^@^@^@^@^@^@^@^@^@^@^@^@^@^
I don't see any error in mysql log. Maybe an error might have been printed at export time.
What could that mean ? I assume my dump is corrupted ? What could cause this ?I remember I seen this before but cannot remember the cause / fix.
Maybe this can be fixed by tuning some mysql values to process more data at once ? like innodb_redo_log_capacity or other parameters ?
Is hard to "try" things because this happens after 10-12 hours of processing (importing .sql file).