Vmware backup slow

[rllj...@gmail.com]

Hi,

I am using Bareos 19.2.7-2 for backup my VMware 6.7.0 but the performance is very slow, about 10MB per second

I run the bareos-sd and bareos-fd in the same physical host, my job configuration is

Job {

  Name = "VMWARE-SRV-DC02"

  Client=srv-backup04-fd

  JobDefs = "DefJobsVMWARE"

  FileSet = "VMWARE-SRV-DC02"

  Storage = backup-vmware

}

FileSet {

  Name = "VMWARE-SRV-DC02"

  Include {

    Options {

         signature = MD5

         Compression = LZO

    }

    Plugin = "python:module_path=/usr/lib64/bareos/plugins/vmware_plugin:module_name=bareos-fd-vmware:dc=DC NAME:uuid=XXXXXXXXX:vcserver=vcenter01.domain.local:vcuser=backu...@vsphere.local:vcpass=SECRET"

  }

}

I checked the performance write sin bareos-sd , about 600MB per sec.

I checked the latency, loss between bareos-sd/fd and the physical vmware nodes using iperf and all sounds good, around 100MB per second no loss.

Please any suggest for checking ?

Thanks,

Rodrigo

[tklassen]

Hi,
i have no suggestion, so far, but i can tell you that im facing almost the same problems as you do.

My system should deliver much more than i get.


Greetings

[Alejandro Iglesias]

Hi,

Could you fix this issue? I'm having same problem...

Thanks

[Frank Kohler]

On 9/22/22 13:01, Alejandro Iglesias wrote:
> Hi,
> Could you fix this issue? I'm having same problem...

As we don't have any reports on VMware performance issues please provide
information according to bugs.bareos.org.


Thanks:
Frank

[Alejandro Iglesias]

Hi again. 

I don't know if the problem is vmware plugin, but it looks like.

My enviroment is a vmware cluster and, on the other hand, one server with Proxmox VE running bareos director and bareos storages and only this. This server has 24 x Intel(R) Xeon(R) CPU E5-2640 0 @ 2.50GHz (2 Sockets) and 64GB RAM.

When i do the backups, all works fine, but the transfer rate is so poor, about 300kB/s. I do iperf tests and all works fine on my network and disks.

I try everything that my brain permits:

- With data spooling. without.

- Mounting disks with noatime

- Changing encription

- Changing compression to all types

- Without compression: Here we go, without compression, transfer rate ups to acceptable values (40-50MB/s). I thought could be the CPU performance, as obvious, so i put many cores and RAM to the machine with no results. (Later i discover that compression is done only for 1 CPU in any case). Then, i tried to move the client to the vmware cluster, because is more powerful. No results. Then, I moved the entire director with no results either.

- I try with a Windows client, without vmware plugin: With compression, the transfer rate is about 12MB/s. Isn't the best, but better.

I have to say i have others bareos virtualized enviroments with correct performance.

Other thing is breaking my brain, is: when the backup starts, starts about 20MB/s (seconds) and is going down until stands on 300KB/s, like a buffering problem or bottle neck, but i don't find where.

I'm desperate... Anybody can recommend something else to check??