This might be a dumb question, but I can't figure it out.
Debian 8
Bacula Version: 5.2.6
sqlite3 -version 3.8.7.1
Backing up to disks, not tape.
I have two bacula systems, both have this same slowness issue. Here's what the
final output of our largest job looks like:
Elapsed time: 4 days 1 hour 58 mins 23 secs
Priority: 10
FD Files Written: 20,103,048
SD Files Written: 20,103,048
FD Bytes Written: 922,921,450,734 (922.9 GB)
SD Bytes Written: 925,825,875,288 (925.8 GB)
Rate: 2616.7 KB/s
Software Compression: 54.4 %
VSS: no
Encryption: no
Accurate: no
The bacula server and remote server both have 10GB network cards. On the bacula
server, if I scp a directory from the remote server it will transfer at about
50MB/sec and a single multi-GB file will transfer close to 300MB/sec. So the
network seems okay. Even an rsync takes ~40sec when bacula takes 12 minutes on
the same directory.
The bacula and remote servers are pretty hefty too: 20+ cores, 32GB of ram, SAS
hard drives, 10GB network cards. During the backup process they don't appear to
be busy; one core is at 11%, the memory sits around 1gb used, iotop reports
very low IO%.
I thought it might be a network issue, so I copied a directory locally to the
bacula server then backed it up. It only went marginally faster, and here's
that output:
Elapsed time: 12 mins 43 secs
Priority: 10
FD Files Written: 93,592
SD Files Written: 93,592
FD Bytes Written: 3,989,758,931 (3.989 GB)
SD Bytes Written: 4,000,333,487 (4.000 GB)
Rate: 5229.0 KB/s
Software Compression: 67.9 %
VSS: no
Encryption: no
Accurate: no
The bacula-dir section for the big job looks like:
FileSet {
Name = "mail set"
Include {
Options {
compression = GZIP
signature = MD5
}
File = /usr
File = /etc
File = /var/spool/cyrus/mail
File = /var
}
Exclude {
File = /proc
File = /tmp
File = /.journal
File = /.fsck
File = /var/cache
}
}
Job {
Name = "mail"
JobDefs = "Default"
Client = mail-fd
FileSet = "mail set"
Spool Attributes = yes
}
Turning off compression didn't seem to make much of a difference either. I just
don't know what to do at this point. Does anybody have an idea for why these
transfers are so slow through bacula?
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