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тАО08-18-2009 09:31 PM
тАО08-18-2009 09:31 PM
Hello,
i need to create dump file around 100mb for some testing purpose, how to create it.
i have done this before but forgot :),
surely assign point for each response,
i need to create dump file around 100mb for some testing purpose, how to create it.
i have done this before but forgot :),
surely assign point for each response,
Solved! Go to Solution.
3 REPLIES 3
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тАО08-18-2009 09:48 PM
тАО08-18-2009 09:48 PM
Re: how to create dump file
Define "dump file".
What do you want in the file?
"m" = milli. "M" = mega.
"b" = bit. "B" = byte.
"mb" = millibit, which is a pretty small
unit. (Too small to be useful, in fact.)
What do you want in the file?
"m" = milli. "M" = mega.
"b" = bit. "B" = byte.
"mb" = millibit, which is a pretty small
unit. (Too small to be useful, in fact.)
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тАО08-19-2009 01:18 AM
тАО08-19-2009 01:18 AM
Solution
do you mean "crash dump" file or just big file?
- in 1st case - send "create dump" signal to some big (100mb) process, for example
kill -ABRT pid_of_process
(ulimit should allow it - "ulimit -c unlimited")
- in 2nd case
dd if=/dev/zero of=/tmp/100mb bs=1024k count=100
- in 1st case - send "create dump" signal to some big (100mb) process, for example
kill -ABRT pid_of_process
(ulimit should allow it - "ulimit -c unlimited")
- in 2nd case
dd if=/dev/zero of=/tmp/100mb bs=1024k count=100
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тАО08-20-2009 07:31 AM
тАО08-20-2009 07:31 AM
Re: how to create dump file
there is a command for preallocating disk space, see 'man prealloc'
****
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Unix operates with beer.
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