# jmeter-user mailing list archives

##### Site index · List index
Message view
Top
From Michael Stover <mstov...@apache.org>
Subject Re: Variable use in 'number of threads'?
Date Thu, 02 Jun 2005 18:09:31 GMT
```I don't see how that's really going to help - it's still only going to
be resolved once, and so only the first entry will be used for the whole
test run.

-Mike

On Thu, 2005-06-02 at 18:59 +0100, sebb wrote:
> I should have made clear that the CSVRead function calls have to be
> entered on the thread group GUI in the appropriate field(s).
>
> Try it and see.
>
> S.
> On 6/2/05, Michael Stover <mstover1@apache.org> wrote:
> > The thread count in ThreadGroup is only going to work for static
> > variables - ie, nothing that changes during a test run will work here.
> > the reason is the variable is resolved at compile time, not runtime.  If
> > it doesn't have a value at that time, it will never be checked again.
> >
> > This means only jmeter properties and TestPlan variables will have an
> > effect here.  Just like listener filenames.
> >
> > -Mike
> >
> > On Thu, 2005-06-02 at 10:21 +0200, Sander Stevens wrote:
> > > Hi Sebb,
> > >
> > > Sounds promising.
> > > I did some testing, but without luck.
> > > What I do is the following:
> > >
> > > In my user parameters I add one line with the variable name (rows) and
> > > the __csvread to my csv file. The first column has the row count. So my
> > > syntax is: \${__CSVRead(c:\temp\migration.csv,0)}
> > > Secondly I use the variable in the Thread Group window.
> > > Number of Threads: \${rows}
> > > Ramp-up period: 50
> > >
> > > My script doesn't work anymore now. No result. Will stop directly.
> > >
> > > In the log I see the following:
> > > 2005/06/02 10:18:34 INFO  - jmeter.functions.FileWrapper: Attaching
> > > c:\temp\Migratie.csv
> > > 2005/06/02 10:18:34 INFO  - jmeter.functions.FileWrapper: Opening
> > > c:\temp\Migratie.csv as c:\temp\Migratie.csv
> > > 2005/06/02 10:18:34 INFO  - jmeter.functions.FileWrapper: Saved
> > > c:\temp\Migratie.csv as c:\temp\Migratie.csv delimiter=<;>
> > > 2005/06/02 10:18:34 INFO  - jmeter.functions.FileWrapper: Stored
> > > c:\temp\Migratie.csv as c:\temp\Migratie.csv
> > > 2005/06/02 10:18:34 INFO  - jmeter.engine.StandardJMeterEngine: Starting
> > > 0 threads for group ADSL. Ramp up = 50.
> > >
> > > The version of JMeter I am using is: 20050508 (internal version)
> > >
> > > Any ideas?
> > >
> > > Sander
> > >
> > > -----Original Message-----
> > > From: sebb [mailto:sebbaz@gmail.com]
> > > Sent: donderdag 2 juni 2005 1:37
> > > To: JMeter Users List
> > > Subject: Re: Variable use in 'number of threads'?
> > >
> > > It's certainly possible to use a property to specify the number of
> > > So functions work, i.e. CSVRead will work.
> > >
> > > The count should be placed in the first row of the CSV file.
> > >
> > > Try the following (tested):
> > >
> > >
> > > Should also work for the ramp-up loop count if needed (not tested).
> > > There is no guarantee that fields will be read in the same order in
> > > each release, so all the values must be columns in the first row.
> > > And you will either need to experiment to find which field should have
> > > the "next" in it, or put it as the first entry in the UP
> > > Pre-Processor.
> > >
> > > The rest of the file can then be read in a User Parameters (UP)
> > > Pre-processor or in samplers etc.
> > >
> > > But it may be simpler to pass in the thread group settings as
> > > properties, so you can use the same test file for different
> > > variations, e.g.
> > >
> > > 1 thread, 10 loops
> > > 2 threads 5 loops
> > > etc
> > >
> > > S.
> > > On 6/1/05, Sander Stevens <S.Stevens@kpn-is.nl> wrote:
> > > > Hi,
> > > >
> > > > Maybe a nice idea (because I think it is not possible yet):
> > > >
> > > > I am using JMeter as a functional test tool with Excel (csv) as input
> > > for my test cases. In this way I have to set the number of threads to
> > > the number of rows in my excel sheet. No problem, but it would be nice
> > > if this is filled automatically. Just to follow the excel sheet, even if
> > > there are test cases (rows) added or deleted. The way I am thinking is
> > > the following: I count the rows in the excel sheet (excel function
> > > COUNT). Place the number of rows somewhere in the sheet, read this value
> > > with function __CSVRead (e.g. rows) and use this value to notify the
> > > number of threads (\${rows}).
> > > >
> > > > Would that be a nice feature?
> > > >
> > > >
> > > >
> > > > Met Vriendelijke Groet,
> > > >
> > >
> > > ---------------------------------------------------------------------
> > > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> > >
> > >
> > > ---------------------------------------------------------------------
> > > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> >
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> >
> >
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
>

---------------------------------------------------------------------
To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org