Re: [Duplicity-talk] Out of space error while restoring a file

[Laurynas Biveinis]

2012/9/26  <address@hidden>:
> On 26.09.2012 11:42, Laurynas Biveinis wrote:
> [SNIP]
>>>>
>>>>>> So, "twice the size of the restored file + one volume?" But originally
>>>>>> it failed with 80GB free for a 30GB file, so it's even more than that.
>>>>>
>>>>> right, we would have to disect filesystem usage during restoring to find 
>>>>> out what is going on here. actually the v9 dump tells you when temp files 
>>>>> are created and deleted (though not their size) so you can work through 
>>>>> that if you want.
>>>>>
>>>>> alternatively you have to observe what happens in the tmp folder during 
>>>>> restore ;)
>>>>
>>>> Here's the open file snapshot around volume 704 (out of ~750):
>>>> http://pastebin.com/pGFH6Wju
>>>>
>>>> Note that "Sandėlys" has been replaced with "Elements", that's another
>>>> volume (so that locally-downloaded backup sets would fit)
>>>>
>>>> Thanks again,
>>>>
>>>
>>> ok, just wanted to check the command line output promised above, just to 
>>> see there was nothing attached ;)
>>
>> Oops. Fixed.
>>
>>> wrt to the lsof output. it shows
>>> duplicity 8946 laurynas    7u   REG   8,33 25211305984     8622 
>>> /media/Elements/Laurynas/tmp/duplicity-DL3ypc-tempdir/tmpgxn0pY (deleted)
>>> and
>>> duplicity 8946 laurynas   12u   REG   8,33 34465812480     8614 
>>> /media/Elements/Laurynas/tmp/duplicity-DL3ypc-tempdir/tmpYZgzig (deleted)
>>>
>>> and some others, all of them have the tag (deleted), so i assume the space 
>>> was already freed again?
>>
>> Nope, it's taken space.
>>
>>> even if not this is what we assumed: 2 times the 30GB file plus some.
>>>
>>> what would be interesting is a "multiplexed" output of 'duplicity -v9' 
>>> _and_ and a periodic 'ls -la' of TMP . so one could see what files 
>>> duplicity creates/deletes and how this reflects in the TMP folder. i 
>>> believe this would be possible with bash magic.
>>
>> I'l see about producing this. But, ls -la will not show those big
>> deleted files. I will try to include lsof as well, perhaps filtered to
>> remove open net sockets and the like.
>>
>
> first off, the v9 output does not show any tmp files named like tmpYZgzig but 
> only mktemp-MRoS1d-741 ones. so i assume the default python tempfile does not 
> inform us
>
> or
>
> you are not using the latest patch?
> http://bazaar.launchpad.net/~duplicity-team/duplicity/0.6-series/revision/860

I am using the latest patch but not the latest duplicity code: I
patched Ubuntu-shipped 0.6.18. Is that a good version to test or do
you want me to use the latest trunk or any other version?

> regarding the used space. did you monitor via du/ls/df the duplicity tmp 
> folder and can confirm that it uses up much more than the 2xbiggest file plus 
> some? how much?

Will do.

-- 
Laurynas