我的Bacula转移率非常低。如何配置控制器以改进此问题?



我正在使用bacula创建一个基于云的解决方案,以备份我们所有的服务器。我们有很多服务器在本地,还有一些在云上,比如AWS和OPENCLOUD。我看到备份的传输速率非常低(我说的是400kps/s(,而小型FS的传输速率约为5/6GB。。。这让我很担心,因为我们正在用这些客户端进行测试,使备份完整,持续2小时才能完成,稍后我们将添加一些真正大的客户端(每个客户端约500GB/1TB(,以使它们的完整备份

这是备份此客户端后打印的消息:

09-Nov 03:43 bacula-dir JobId 37: Start Backup JobId 37, Job=Backup- 
mailserverp.2018-11-08_22.15.00_13
09-Nov 06:08 bacula-sd JobId 37: Elapsed time=02:24:57, Transfer rate=580  
Bytes/second
Scheduled time:         08-Nov-2018 22:15:00
Start time:             09-Nov-2018 03:43:51
End time:               09-Nov-2018 06:08:52
Elapsed time:           2 hours 25 mins 1 sec
FD Bytes Written:       5,039,356 (5.039 MB)
SD Bytes Written:       5,048,922 (5.048 MB)

09-Nov 01:09 bacula-dir JobId 36: Start Backup JobId 36, Job=Backup- 
nagios.2018-11-08_22.15.00_12
09-Nov 03:43 bacula-sd JobId 36: Elapsed time=02:34:39, Transfer rate=386.9 K 
Bytes/second
Elapsed time:           2 hours 34 mins 47 secs
FD Bytes Written:       3,590,358,216 (3.590 GB)
SD Bytes Written:       3,590,441,488 (3.590 GB)

09-Nov 00:38 bacula-dir JobId 35: Start Backup JobId 35, Job=Backup- 
bapuppet01.2018-11-08_21.25.00_11
09-Nov 00:38 bacula-sd JobId 34: Elapsed time=02:11:17, Transfer rate=35.68 K Bytes/second
Scheduled time:         08-Nov-2018 21:05:00
Start time:             08-Nov-2018 22:27:30
End time:               09-Nov-2018 00:38:52
Elapsed time:           2 hours 11 mins 22 secs

此消息显示了三台服务器,其中两台在本地,一台在基于OpenCloud云的主机上。考虑到这种结构,我们假设onpremise客户端将是所有客户端中备份速度最慢的。但是,在我们使用iperf命令测试连接后,我们看到以下内容:

FROM SERVER TO CLIENT
[root@otc-bacula ~]# iperf -c 172.xx.xx.xxx -p 9102 -i 2 -t 60
------------------------------------------------------------
Client connecting to 172.xx.xx.xxx, TCP port 9102
TCP window size: 45.0 KByte (default)
------------------------------------------------------------
[  3] local 172.xx.xx.xxx port 33902 connected with 172.xx.xx.xxx port 9102
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0- 2.0 sec  95.9 MBytes   402 Mbits/sec
[  3]  2.0- 4.0 sec   180 MBytes   754 Mbits/sec
[  3]  4.0- 6.0 sec   132 MBytes   554 Mbits/sec
[  3]  6.0- 8.0 sec  70.6 MBytes   296 Mbits/sec

FROM CLIENT TO SERVER ################################

[root@v-nagios ~]# iperf -c 172.xx.xxx.xxx -p 9102 -i 2 -t 60
------------------------------------------------------------
Client connecting to 172.xx.xxx.xxx, TCP port 9102
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[  3] local 172.xx.xxx.xxx port 41538 connected with 172.xxx.xxx.xxx port 9102
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0- 2.0 sec  3.75 MBytes  15.7 Mbits/sec
[  3]  2.0- 4.0 sec  4.00 MBytes  16.8 Mbits/sec
[  3]  4.0- 6.0 sec  2.50 MBytes  10.5 Mbits/sec
[  3]  6.0- 8.0 sec  4.38 MBytes  18.4 Mbits/sec
[  3]  8.0-10.0 sec  3.50 MBytes  14.7 Mbits/sec
[  3] 10.0-12.0 sec  2.12 MBytes  8.91 Mbits/sec

我已经尝试过放弃选择,但没有看到任何改善。有人知道测试bacula性能的方法或脚本以及如何改进它吗?我可以尽量减少文件集,只是为了备份我们真正需要的东西,但仍然有很多文件/gygas。

这是Bacula-Dir.conf,如果它有帮助的话:

Director {                            # define myself
Name = bacula-dir
DIRport = 9101                # where we listen for UA connections
DirAddress = 172.19.120.106
QueryFile = "/etc/bacula/query.sql"
WorkingDirectory = "/var/spool/bacula"
PidDirectory = "/var/run"
Maximum Concurrent Jobs = 10
Password = "123456"         # Console password
Messages = Daemon
Heartbeat Interval = 1
}

Storage {
Name = File
# Do not use "localhost" here
Address = 172.19.120.106                # N.B. Use a fully qualified name here
SDPort = 9103
Password = "123456"
Device = FileStorage
Media Type = File
}
Pool {
Name = File
Pool Type = Backup
Label Format = OpenCloud-
Recycle = yes                       # Bacula can automatically recycle Volumes
AutoPrune = yes                     # Prune expired volumes
Volume Retention = 365 days         # one year
Maximum Volume Bytes = 100G          # Limit Volume size to something reasonable
Maximum Volumes = 350               # Limit number of Volumes in Pool
}

我认为这些信息是有用的,但如果你需要更多的服务信息或需要我做点什么,我很乐意提供所需的数据。。。我真的需要提高这个解决方案的传输速率。

我已经意识到我使用MySql作为数据库后端,并且遇到了大量插入数据的问题。所以我再次进行了新的安装,但这次使用Postgresql作为数据库,传输速率几乎达到了40mb/s。大幅度提高

我会把我自己的答案标记为正确的

以下是关于Bacula调优的一些建议:

  1. MySQL在Bacula中也受支持,但几乎总是需要根据您的发现进行调优。mysql自动调优脚本在这里非常有用。https://github.com/major/MySQLTuner-perl

  2. PostgreSQL的伸缩性似乎要好得多,尤其是对于Bacula,但仍然需要调整。佩德罗在这里写了一本不错的指南:http://www.pedroliveira.pt/index.php/bacula-performance-tunnig-with-postgresql/

如果你还没有,最好加入Bacula用户邮件列表,在那里你可以搜索档案并获得其他Bacula问题的帮助。https://www.bacula.org/support/email-lists/

最后,如果您有订阅,Bacula Systems可以提供调整指导。

注:我作为CDMO在Bacula Systems工作。

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