Re: [Clonezilla-live] Partclone vs Partimage

[Steven S. <st...@nc...>]

Lukas,
Thanks. Thomas Tsai will revise this and try to use them.
In the future, we will have more options in partclone to disable some 
jobs, e.g. "-q, --quiet" to skip all the rate messages update.
Thanks.

Steven.

Lukas Grässlin wrote:
> On 14.04.2010 23:16, Steven Shiau wrote:
>   
>> Lukas Grässlin wrote:
>>     
>>> On 14.04.2010 16:15, Steven Shiau wrote:
>>>  
>>>       
>>>> Lukas Grässlin wrote:
>>>>    
>>>>         
>>>>>> There is an option "-f" of partclone which you might be interested to
>>>>>> give it try.
>>>>>> You can tune it to see if any difference.
>>>>>>             
>>>>>>             
>>>>> As I understood the code, -f only affects the time the gui itself would
>>>>> be refreshed, but the update_pui method which also runs calculate_speed
>>>>> anyway is run.
>>>>>
>>>>>         
>>>>>           
>>>> Thanks. I will check with Thomas,
>>>>     
>>>>         
>>> No problem.
>>>
>>> You can see it e.g. here in restore.c :
>>>
>>>         /// start restore image file to partition
>>>         for( block_id = 0; block_id < image_hdr.totalblock; block_id++ ){
>>>                 /* doing things, copying the blocks */
>>>             update_pui(&prog, copied, done);
>>>         } // end of for
>>>
>>>
>>> I did a patch for myself within I told it just call update_pui once for
>>> 5000 blocks. Don't know if its a good idea, but it worked ;)
>>>   
>>>       
>> Good, and the performance is?
>> Could you please also send us the patch file?
>> Thanks.
>>     
>
> I got about 20-39 MB/s.
> Here is the patch. There are some other changes within:
>
> * I completeley disabled the update_pui on the server side, because
> clonezilla anyway doesn't show the output there.
>
> * I changed the display of the speed from */min to */s beaucse I thoght
> it's better readable for the most people.
>
> * I implemented that crc32-checks can be disabled. Not an good idea, but
> I wanted it for testing and its disabled by default.
>
> Sorry, I had no time to rip off these other changes but it should be ok
> anyway I hope.
>
> Regards,
> Lukas
>
>   
>> Steven.
>>     
>>>  
>>>       
>>>>> If I've time I'll try the older clonezilla live, too.
>>>>>
>>>>>
>>>>>  
>>>>>      
>>>>>           
>>>>>> BTW, maybe you can also give Clonezilla live 1.2.2-14 a try? It's
>>>>>> partclone is older, and we might have a regression somewhere...
>>>>>> Please let us know the results.
>>>>>> Thanks.
>>>>>>
>>>>>> Regards,
>>>>>> Steven.
>>>>>>           
>>>>>>             
>>>>>>> On 14.04.2010 10:33, Steven Shiau wrote:
>>>>>>>  
>>>>>>>               
>>>>>>>               
>>>>>>>> Yes, Thomas Tsai is working on the improvement of partclone.
>>>>>>>>
>>>>>>>> Lukas,
>>>>>>>> Please send us gprof results you have.
>>>>>>>> Thanks.
>>>>>>>>
>>>>>>>> Steven.
>>>>>>>>
>>>>>>>> On 2010/4/14 下午 02:43, Lukas Grässlin wrote:
>>>>>>>>                      
>>>>>>>>                 
>>>>>>>>> Regarding the perfmance of partclone: Look at the "on-the-fly
>>>>>>>>> performance" Thread in this mailing list.
>>>>>>>>>
>>>>>>>>> Partclone does some odd things which slow down the speed. You can
>>>>>>>>> improve this by saying not to use the gui. (I think this is in the
>>>>>>>>> expert options). But it stills does stupid things, like
>>>>>>>>> calculating the
>>>>>>>>> speed too often which resultes in high cpu load.
>>>>>>>>>
>>>>>>>>> Regards,
>>>>>>>>> Lukas
>>>>>>>>>
>>>>>>>>> On 14.04.2010 06:39, Jorge Fábregas wrote:
>>>>>>>>>                            
>>>>>>>>>                   
>>>>>>>>>> Hello Steven,
>>>>>>>>>>
>>>>>>>>>> I've been using Clonezilla happily for more than 2 years and I
>>>>>>>>>> always used the
>>>>>>>>>> custom options and specifically partimage as the cloning tool.
>>>>>>>>>> Since partimage
>>>>>>>>>> seems to be a dead project (and no support for ext4) and
>>>>>>>>>> considering that
>>>>>>>>>> Clonezilla uses partclone as the default option I decided to use
>>>>>>>>>> this.
>>>>>>>>>>
>>>>>>>>>> My observation was that partclone takes some more time.  When it
>>>>>>>>>> started
>>>>>>>>>> saving the partition, I wasn't sure what it was doing.  There was
>>>>>>>>>> some
>>>>>>>>>> progress indicator (percentage) (Generating bitmap..) and I after
>>>>>>>>>> that it
>>>>>>>>>> started again another progress indicator (I guess the actual
>>>>>>>>>> creation of the
>>>>>>>>>> image).  I'm a bit confused about these 2 steps as soon as
>>>>>>>>>> partclone starts.
>>>>>>>>>> Any tip will be appreciated. (just curious).
>>>>>>>>>>
>>>>>>>>>> Thanks for Clonezillla.
>>>>>>>>>>
>>>>>>>>>> Best regards,
>>>>>>>>>> Jorge
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> ------------------------------------------------------------------------------
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
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>>>>>>>>>> _______________________________________________
>>>>>>>>>> Clonezilla-live mailing list
>>>>>>>>>> Clo...@li...
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>>>>>>>>>>                                     
>>>>>>>>>>                     
>>>>>>>>>                               
>>>>>>>>>                   
>>>>>>>                   
>>>>>>>               
>>>>>         
>>>>>           
>>>   
>>>       
>
>
>   

-- 
Steven Shiau <steven _at_ nchc org tw> <steven _at_ stevenshiau org>
National Center for High-performance Computing, Taiwan. http://www.nchc.org.tw
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