Regarding the Sequential reading of CSV Files

[Anurodh Jain <an...@aztec.soft.net>]

Hi,
 Does anybody know how can we ensure that multiple threads reads through
each of the 
lines in a CSV file. Say, for example, my csv file has 10 rows and I have
assigned 5 threads
to run. Here, I want that all the 5 threads read each of the 10 lines
simultaneously.
I suppose, the CSVDataSetConfig element or the CSVRead does not directly
work this way.
Is there a way around for working this out?
Any help would be greatly appreciated. 
 
Regards
Anurodh
 




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Re: Regarding the Sequential reading of CSV Files

[sebb <se...@gmail.com>]

On 15/12/05, sebb <se...@gmail.com> wrote:
> On 15/12/05, Anurodh Jain <an...@aztec.soft.net> wrote:
> >
> > Hi,
> >  Does anybody know how can we ensure that multiple threads reads through
> > each of the
> > lines in a CSV file. Say, for example, my csv file has 10 rows and I have
> > assigned 5 threads
> > to run. Here, I want that all the 5 threads read each of the 10 lines
> > simultaneously.
>
> What do you mean by that?
>
> Do you mean that you want the threads to read the file independently
> of other threads, so each threads gets the same lines?
>
> If so, this is not possible with the current implementation.
>
> Perhaps file a Bugzilla enhancement request.
>
> Or you could try creating one file per thread, e.g. file1.csv,
> file2.csv etc., and use the function ${__threadNum()} in the file
> name.
>
> See http://jakarta.apache.org/jmeter/usermanual/functions.html#__threadNum
>

BTW, just discovered that threadNum() does not work properly in User
Defined Variables; but should be OK in the User Parameters
Pre-Processor, and it works OK in Samplers.

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Re: Regarding the Sequential reading of CSV Files

[sebb <se...@gmail.com>]

On 15/12/05, Anurodh Jain <an...@aztec.soft.net> wrote:
>
> Hi,
>  Does anybody know how can we ensure that multiple threads reads through
> each of the
> lines in a CSV file. Say, for example, my csv file has 10 rows and I have
> assigned 5 threads
> to run. Here, I want that all the 5 threads read each of the 10 lines
> simultaneously.

What do you mean by that?

Do you mean that you want the threads to read the file independently
of other threads, so each threads gets the same lines?

If so, this is not possible with the current implementation.

Perhaps file a Bugzilla enhancement request.

Or you could try creating one file per thread, e.g. file1.csv,
file2.csv etc., and use the function ${__threadNum()} in the file
name.

See http://jakarta.apache.org/jmeter/usermanual/functions.html#__threadNum

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