You should be very happy the mysqldump is two-thirds the size of the data. Why?

You should want to move data and indexes without copying unused space at the same time. What aspects would you have to consider by simply importing a mysqldump?

Aspect #1

InnoDB indexes tend to get very bloaty because Secondary Indexes have keys into the Clustered Index. This always results in a double index lookup. This can be overlooked with large, write-heavy datasets.

Aspect #2

InnoDB tablespaces tend to get very bloaty because of MVCC being created and discarded without an automatic reclaiming of disk space:

• With innodb_file_per_table disabled, the system tablespace file ibdata1 would steadily grow with 0% chance of reclaiming of disk space. You would have to convert InnoDB storage engine to use innodb_file_per_table.
• With innodb_file_per_table enabled, you could go to the individual InnoDB and run of the the following to physically shrink the InnoDB table mydb.mytable:
  • OPTIMIZE TABLE mydb.mytable;
  • ALTER TABLE mydb.mytable ENGINE=InnoDB;

In light of this, you should keep in mind that a mysqldump is a logical representation of the data and indexes. There is no wasted space to be concerned with. You should not have to scp or rsync bloated InnoDB data or logs. Importing a mysqldump into a fresh installation of MySQL should be what you what want.

I have written about this many times:

• MySql - Clean ibdata1 (April 19, 2012)
• How do you remove fragmentation from InnoDB tables? (April 11, 2012)
• Is innodb_file_per_table advisable? (April 01, 2012)
• How to Clean a mysql innodb storage engine (October 29, 2010)

Once you have loaded the test database with the mysqldump, you should run CHECKSUM TABLE on random tables of various sizes. If all tables have the same checksum value, you could certify as good. Make a disklevel backup of the data on the prod server as well.

You can then do this in production

• shutdown mysql
• hose everything (including ibdata1, ib_logfile0, ib_logfile1) in /var/lib/mysql except for /var/lib/mysql/mysql
• Set innodb_data_file_path=ibdata1:10M:autoextend in /etc/my.cnf
• restart mysql (this recreates ibdata1, ib_logfile0, ib_logfile1)
• reload mysqldump

Your InnoDB architecture and data will then be lean and mean.

It is sort of yes and no. Why would I say both?

There are still some transactional data embedded in the old ib_logfiles in conjunction with the ibdata1 file. (See pictorial representation)

What you should have done is this:

mysql -u... -p... -ANe"SET GLOBAL innodb_fast_shutdown = 0"
/etc/init.d/mysql.server stop
mv ib_logfile0 ib_logfile0.OLD
mv ib_logfile0 ib_logfile0.OLD
/etc/init.d/mysql.server start

If you did not know of disabling innodb_fast_shutdown, ther you steps should have been

/etc/init.d/mysql.server stop
/etc/init.d/mysql.server start
/etc/init.d/mysql.server stop
mv ib_logfile0 ib_logfile0.OLD
mv ib_logfile0 ib_logfile0.OLD
/etc/init.d/mysql.server start

Doing either of these coordinate the purging of all uncommitted writes to tables and indexes. Just looking at the error log, I think you dodged a bullet in this instance. In future, please follow this protocol.

If you are not sure either way, you could put back the old log files, set the old size of innodb_log_file_size, restart mysql. Then, start the process over again as I prescribed above.