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POjmeter - asynchronous TCP sampler options?
 

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    <p>I'm hoping someone has some experience with asynchronous testing and how to accomplish it with Jmeter. If someone does know, but not with jmeter, also open to other options, but more familiar with jmeter and the context is for load/stress testing.</p> <p>Definition: For example, sending raw TCP textual datastreams where the "session" id is within the datastream itself. Everything is asynchronous and could be 'out-of-order' as far as returns.</p> <p>Example: So, given a sample of 10 datastreams with an end signal of \n over 5 threads, it is possible for all 10 to be sent over the same TCP port before the first one responds, and the response could be in any order.</p> <p>session00001datasenthere\n</p> <p>session00002datalsosenthere\n</p> <p>session00003differentdata\n</p> <p>...</p> <p>session00010moredifferentdata\n</p> <p>Using Jmeter, I do want to measure how long it takes for each given datastream based on the sessionid (say data bytes 8-12 of the streams in this example) to return. The intent is to use Jmeter for what it is good at, load/stress testing across multiple machines, but smart enough to understand the asynch TCP data (opposed to your normal HTTP session request/response).</p> <p>Constraint is during any given testing session the 'sessionid' is unique at least until a response stream is returned (for logistic reasons, otherwise couldn't pull this off ;-).</p> <p>Thanks in advance, and just to ensure intent is understood, this is to take advantage of all the nice ready-to-go reports/listeners/plugins/analytics available to Jmeter.</p> <p>EDIT: The implementation of the server under test is Netty, not dissimilar to the Telnet example. If there is a Jmeter example of testing the Netty example Telnet server that may also help.</p> <p>-D</p>
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    1. COcould you show a full example Saying thread1 sends this, thread 2 this..., response for threadxxx... ? Not clear what you want to do
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    2. COWhat is you challenge exactly? Is it related to setting unique session id in each request?
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    3. COJmeter does not know when a response comes back that it is tied to which request. Setting a 'sessionid' on the request sent out is easy but is dependent on the TCP payload, how do you setup your tcp sampler test, or maybe custom java client sampler, to handle whatever the sessionId is for the TCP payload? EXAMPLE: session 00003 was sent with a bunch of other payloads, how can you tell Jmeter that when session00003 comes pack to compare the time request to the time response to measure the actual response time of session00003 rather than just the first response in an asynchronous environment?
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