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From sebb <seb...@gmail.com>
Subject Re: Use FileToString for 100MB file
Date Tue, 05 Feb 2013 15:58:55 GMT
On 5 February 2013 15:39, Sergio Boso <sergio@bosoconsulting.it> wrote:
> I recently went through a situation where I had to download some 300MB+
> files.
>
> In fact, it seems that Jmeter tries to keep the sample result in memory
> until the operation has finished.
> I assume that this is done in order to do allow  assertion, content analysis

Yes.

> etc, but where very large files are involved, this is a real issue.

Which is why there is the HTTP option "Save response as MD5 hash?"

> I made a quick workaround using OS sampler + wget command+ delete file
> command.
> I think that an option to save the sample result to file, would be more
> appropriate.

Feel free to raise an enhancement issue - even better, include a patch.

> HTH
> Sergio
>
>
> Il 05/02/2013 02:27, Stott, Charlie ha scritto:
>
>> First solve your out of memory issues, then you may be able to load a
>> large file into memory.
>>
>> Most common cause of memory issues in gui are listeners, particularly
>> results tree.  Try only recording errors if you need it at all.  Gui is
>> intended for testing your tests, rather than doing your load testing.
>>
>> AFAIK, in non-gui tests it is likely older HTTP implementations, use v4+.
>> I never get memory issues in CLI tests.
>>
>> However, 100MB filetostring does not really sound like something I'd want
>> to do, are you sure it is the best design?
>>
>> Charlie
>>
>
>
> --
>
> Ing. Sergio Boso
>
>
>
>
>
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