Hi Marco, It is true what you are saying.
I have done an scp from my win7 PC (the bareos-fd) to the bareos-sd linux VM and it reached the iperf perfomance of about 400+Mbit/s. So, the whole chain of elements can reach that number. So I'm thinking that when the scp client (filezilla) is replaced with bareos-fd on my PC, and the sshd on the bareosVM is replaced with bareos-sd, I can't get more than 230Mbit/s, so it might have to do with the bareos software. That's why I asked in the forum. In general, I'm really disappointed with the windows performance (not the bareos software) and I'm trying to find ways to improve it, but that's another topic for other forums. So, the question remains if anybody has reached better throughputs with the bareos-fd on windows. It might give me a hint on where to look for, in order to enhance the bareos performance. Regards, Sp Τη Πέμπτη, 24 Σεπτεμβρίου 2015 - 2:24:33 μ.μ. UTC+3, ο χρήστης Marco Weiß έγραψε: > Hi Spiros, > > i think that your problem consists of more factors. One is your PC's > harddisk. A single dedicated SATAII (for example seagate baracuda > ST3000DM001) has an avarage read performance of 156 MB/s. > So you are limited that way. The Bareos FD have to read the files, process > them and transmitting it with its own protocol. A GE Ethernet means you can > not transmit more than 125 MB/s in theory. > Your iperf if i understand it tells you that you have transferred 430 mega > bit per second? mbps .. > Thats only 53,75 Mega Byte per second and iperf tests are mostly a bit faster > than file transfer in real life ... > So the functional chain is long, Bareos FD, HDD, Switch, Protocols, Bareos > SD, Serverdisks, Drivers on windows and linux till down the Nagle algorithm > which is not good implemented in every operating system and many more. > > Yes 30 MB/s is slow but to optimize your setup you have to do deep > performance analysis on every part that is involved.. > > Did you ever have done a simple file copy test from the PC to an fileserver? > Is the performance much betterß > > Regards, > Marco > > > On Wednesday, September 23, 2015 at 8:21:52 PM UTC+2, Spiros Papageorgiou > wrote: > > Hi Marco, > > > > The win7, is my desktop PC and it is physical. An i5-quad core machine with > > 8GB RAM. The hard disk can surely deliver more than 30MB/s. It is not the > > system disk or anything. It is a dedicated HD that only stores large files > > (average size 500MB) and on disk-to-disk copies it delivers about 140MB/s > > sustained. That's why I'm not thinking about the disk throughput. > > > > The win2012, is a VM, that resides in the same VMWare cluster with the > > bareos-server (also a VM). The win2012 and bareos are on the same lan, so > > no router exists in between them. The switch that is between them is GE and > > the ethernet cards of the ESXis are also GE. > > > > I would like to try with a more powerful machine but I don't have any handy. > > > > Sp -- You received this message because you are subscribed to the Google Groups "bareos-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to bareos-users+unsubscr...@googlegroups.com. To post to this group, send email to bareos-users@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
