Re: [Clonezilla-live] Partclone vs Partimage

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

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.

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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>>>>>>>>                     
>>>>>>>>                 
>>>>>>>                 
>>>>>>>               
>>>>>         
>>>>>           
>>>   
>>>       
>
>
>   

-- 
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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