Evening,

I'm using MySQL (4.1) as an index storage with the default MyISAM table
format. Unfortunately the partition holding the MySQL databases ran full
and the database became corrupt. So I wanted to restore the mysqldump of
the index from the day before.

Now it's 12 hours after I started to restore the 2.4 GB dump file and MySQL
still seems to be doing the "/*!40000 ALTER TABLE `File` ENABLE KEYS */"
part of the dump. The disk is trashing like fury while the database is
creating the indices.

What I wonder about:
- is > 12 hours a common restore time for a 2.4 dump file?
- is a 2.4 dump file/database size common when backup up ~1 million files
  that sum up to ~50 GB? (file and job retention are 1 month while I run
  one full backup per week and an incremental daily)
- is InnoDB perhaps suited better than MyISAM?
- are there MySQL server parameters I could tune?
- are there better ways to restore the database than "mysql < dumpfile"?
- is PostgreSQL (7.4.7) perhaps better suited?

It also appears that while running a backup the database is extremely busy
leaving little computing power for the actual backup. The disks are common
IDE disks running in a Pentium 4/2.4 GHz with 512 MB RAM.

I'm a bit worried about the scalability because this is just a single
file server I use for mainly private use plus a little development. How do
people operate Bacula and MySQL in really large environments?

Another non-related question that came to my mind: can I assign certain
network clients a certain "bacula client" to restore? Currently every
client can choose from the list of all clients for restoration. And while
I was asked to include further workstations in the backup I worry that they
could be restoring files I don't want them to get access to.

Kindly
 Christoph


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