Load Runner Bottlenecks

1. Can you explain 5-6 real time bottlenecks in load runner?
2. What are the monitoring counters for Network, Database & Server System (Not Application Server)
3. If we want to add Server System counters we need any other Software?
4. What are the real time questions in load Runner Analysis?
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sudeeshna

  • Jun 19th, 2008
 

You can face many bottlenecks with LR itself like Load Generater process,Network problems, and some times you can face with sessions, W3WP process(related to .NET), DB Queries.
Problems with LR:
1. The scenario's created in LoadRunner 8.1  will open in loadRunner 9.0, some of the counters will be loss.So again we have to recreate the scenarios.
2.By default VM per process is 2GB in window and MMDRV process(which is LG process) has setting of 50 maximum threads. so running 50 vusers in a single MMDRV will consume 2GB very fastly. which results in out of memory. so the solution is you have to reduce the no.of threads per driver.
Problems with Sessions:
Some times in coding some transactions uses sessions to store the documents or files and which is not cleaning up at the end of the transactios.so at that time the session sizes will increas. so we have to check those sessions.
Problems with Network:
We have to check the NIC configuration.it must be 1GBPS. because the queu length must be 20.

Like we can face many problems in real time

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