On 12.04.2010 03:39, Steven Shiau wrote: > > > On 2010/4/9 下午 03:50, Lukas Grässlin wrote: >> On 31.03.2010 11:10, Steven Shiau wrote: >>> Right now I do not have real machines which I can test. Therefore I can >>> not give you the numbers. >>> If anyone on this forum has such numbers to share, please share that. >>> >>> BTW, there is a performance improvement in partclone 0.2.8, and it's now >>> included in clonezilla live 20100330-karmic. Could you please give it a >>> try? To see if any big difference. >>> Please let us know the results if you try that. >> >> So, I tried the 20100330 clonezilla ISO and the results with the speed >> are the same. I think the main reason for that bad speed is, that on the >> client side (the vm, where the physical machine is migrated to) the >> partclone.restore process procudes almost 100% CPU load. (It's s a vm >> with two cores, but it only uses one). >> I think that is the main bottleneck. > What's the memory size you have on the vm?
1 GB, but I can't remember how much was used. I will do a retest. > > Steven. >> >>> >>> Regards, >>> Steven. >>> >>> On 2010/3/29 下午 11:31, Lukas Grässlin wrote: >>>> Both SATA Disks, the destination is a virtual machine but I did some >>>> IO-Performance tests with dd on the virtual machine. It is definitely >>>> able to write and read with more than 20MB/s. (I did dd if=/dev/sda >>>> of=/dev/zero bs=100M count=10 etc.) >>>> >>>> The network can't really limit the speed, so I don't know what is >>>> could be. >>>> >>>> What's your experience with the speed? Is it faster? >>>> >>>> I'll do some tests on my own with dd and netcat or so. >>>> >>>> ((sorry, forgot to click the reply-all button ;) )) >>>> >>>> >>>> On 29.03.2010 16:26, Steven Shiau wrote: >>>>> How about the speed when you save the image? >>>>> What's the disk types in the source and destination machines? SATA? >>>>> PATA? USB? Or? >>>>> >>>>> Steven. >>>>> >>>>> Lukas Grässlin wrote: >>>>>> Hi, >>>>>> >>>>>> whats's you experience with the onthefly migration (that partclone >>>>>> over >>>>>> netcat thing) especially perfomance? >>>>>> >>>>>> I never get more than ~300MB/min (=~ 5MB/s) in a Gigabit network >>>>>> which >>>>>> is very dissappoiting. I already tried it without compression etc >>>>>> but I >>>>>> didn't get more speed. (Further the machines are fast enough to do it >>>>>> faster than 5MB/s with compression). >>>>>> >>>>>> Is that a partclone issue? Have you any ideas? >>>>>> >>>>>> Regards, >>>>>> Lukas >>>>>> >>>>>> >>>>> >>>> >>>> >>> >> >> > -- Lukas Grässlin Collax GmbH . Basler Str. 115a . 79115 Freiburg . Germany p: +49 (0) 89-990 157-23 Collax - Simply Linux. Geschäftsführer: Boris Nalbach AG München HRB 158898 * Ust.-IdNr: DE 814464942 ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Clonezilla-live mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/clonezilla-live
