On Tue, Aug 2, 2011 at 1:13 PM, Garrett Cooper <[email protected]> wrote:
> On Mon, Aug 1, 2011 at 8:28 PM, Andrew Yan-Pai Chen
> <[email protected]> wrote:
>> On Fri, Jul 29, 2011 at 7:45 PM, Cyril Hrubis <[email protected]> wrote:
>>> Hi!
>>>> --- a/ltp-full-20101031/runtest/fs
>>>> +++ b/ltp-full-20101031/runtest/fs
>>>> @@ -14,9 +14,9 @@ gf12 mkfifo $TMPDIR/gffifo17; growfiles -b -W gf12 -e 1 
>>>> -u -i 0 -L 30 $TMPDIR/gf
>>>>  gf13 mkfifo $TMPDIR/gffifo18; growfiles -b -W gf13 -e 1 -u -i 0 -L 30 -I 
>>>> r -r 1-4096 $TMPDIR/gffifo18
>>>>  gf14 growfiles -W gf14 -b -e 1 -u -i 0 -L 20 -w -l -C 1 -T 10 -f glseek19 
>>>> -S 2 -d $TMPDIR
>>>>  gf15 growfiles -W gf15 -b -e 1 -u -r 1-49600 -I r -u -i 0 -L 120 -f 
>>>> Lgfile1 -d $TMPDIR
>>>> -gf16 growfiles -W gf16 -b -e 1 -i 0 -L 120 -u -g 4090 -T 100 -t 408990 -l 
>>>> -C 10 -c 1000 -S 10 -f Lgf02_ -d $TMPDIR
>>>> -gf17 growfiles -W gf17 -b -e 1 -i 0 -L 120 -u -g 5000 -T 100 -t 499990 -l 
>>>> -C 10 -c 1000 -S 10 -f Lgf03_ -d $TMPDIR
>>>>  gf18 growfiles -W gf18 -b -e 1 -i 0 -L 120 -w -u -r 10-5000 -I r -l -S 2 
>>>> -f Lgf04_ -d $TMPDIR
>>>> +gf16 growfiles -W gf16 -b -e 1 -i 0 -L 120 -u -g 4090 -T 101 -t 408990 -l 
>>>> -C 10 -c 1000 -S 10 -f Lgf02_ -d $TMPDIR
>>>> +gf17 growfiles -W gf17 -b -e 1 -i 0 -L 120 -u -g 5000 -T 101 -t 499990 -l 
>>>> -C 10 -c 1000 -S 10 -f Lgf03_ -d $TMPDIR
>>>>  gf19 growfiles -W gf19 -b -e 1 -g 5000 -i 500 -t 49900 -T10 -c9 -I p -o 
>>>> O_RDWR,O_CREAT,O_TRUNC -u -f gf08i_ -d $TMPDIR
>>>>  gf20 growfiles -W gf20 -D 0 -b -i 0 -L 60 -u -B 1000b -e 1 -r 
>>>> 1-256000:512 -R 512-256000 -T 4 -f gfbigio-$$ -d $TMPDIR
>>>>  gf21 growfiles -W gf21 -D 0 -b -i 0 -L 60 -u -B 1000b -e 1 -g 20480 -T 10 
>>>> -t 20480 -f gf-bld-$$ -d $TMPDIR
>>>
>>> Any reason why you have changed the order of the execution (the gf18 now 
>>> preceeds gf16 and gf17)?
>>>
>> Sorry, that's my mistake.
>> I will resend the patch later.
>>
>>> Also I'm not sure if 'shrinking on the same file' wasn't intentional
>>> (most likely not but I'm not sure yet).
>>>
>> We made the patch here for the following problem:
>> gf16/gf17 create 10 files and keep them growing and shrinking.
>> But shrinking on the same file leads the others to be growing only
>> which may cause the tests run out of memory.
>
> Keep things simple. Each testcase should operate on a fresh file
> (mk*temp generated filename) to ensure determinism and avoid potential
> issues with execution ordering, memory starvation, etc.
> Thanks,
> -Garrett
>
Hi Garrett,

I don't get it.
Could you explain a bit more?
Thanks!

-- 
BR,
Andrew

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