[Swift-devel] Re: 100 molecule

[Mike Wilde]

One technique that works nice if you just want the old files out of 
the way is to do an mv of the top level dir to a new name, and then 
you can background the rm's.

- Mike

Yong Zhao wrote, On 6/19/2007 3:40 PM:
> Ioan,
> 
> This sounds very good. I'm forwarding this to the swift list.
> 
> Yong.
> 
> On Tue, 19 Jun 2007, Ioan Raicu wrote:
> 
>> Yes, rm -rf could take that long... Yong, why don't you try a these two
>> commands, instead of "rm -rf".... I bet it will be much faster on the
>> GPFS at ANL!
>>
>> find ./ -exec rm {} \;
>> find ./ -exec rm -r {} \;
>>
>> The first one removes the files, and the second one removes the
>> directories... I found rm -rf to be very slow on the ANL GPFS.... it has
>> to do with the fact that rm -rf does an expansion of all the files it
>> needs to deletes... and it ends up being very very long if you hav many
>> files to delete.... doing the method above, it does 1 delete at a
>> time... so it doesn't suffer from the long list of files as rm -rf....
>>
>> Ioan
>>
>> Veronika Nefedova wrote:
>>> I am wondering how the cleanup is done? Its hard to believe that "rm
>>> -rf" would work that long. At the end of the successful run its just
>>> one directory with one nested subdir had to be removed.
>>>
>>> NIka
>>>
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-- 
Mike Wilde
Computation Institute, University of Chicago
Math & Computer Science Division
Argonne National Laboratory
Argonne, IL   60439    USA
tel 630-252-7497 fax 630-252-1997