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On 2/17/12 7:24 AM, Muthukrishnan S. wrote:
> 
> We are evaluating JMeter's capability on reading Test Data from a 
> voluminous data source. The Test Data file is expected to have
> around 5,00,000 rows in a CSV file, we need JMeter to read them all
> throughout the process of Performance Testing. Will JMeter be able
> to read so much of rows? If not, what is the maximum number of rows
> that JMeter can read from a CSV file?
> 
> If it is not possible to read around 5,00,000 rows, please suggest
> some best practices to achieve the same.

- From a look at the sources, it appears to me that CSVDataSet reads
from its file with calls to java.io.BufferedReader.readline() (via
FileServer in the services package), so it should be fine with that.

I've used JMeter for 24h continuous load testing, and I believe we've
used CSV files with up to about 150,000 lines, and JMeter was OK. The
best practice, I'd say, is to test it in a dry run -- run your 5M-line
test against a test server overnight and see how it goes.


Best,
Geoff
- -- 
UPLEX Systemoptimierung
Schwanenwik 24
22087 Hamburg
http://uplex.de/
Mob: +49-176-63690917
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