Shulou(Shulou.com)06/02 Report--

Common performance testing methods: load testing, stress testing, concurrency testing, bench testing, stability testing, recovery testing, etc.

load test

Generally, a large number of concurrent connections are established with the server side. Whether the system meets the established concurrency capability index is judged by the response time of the client side and the performance detection of the server side.

Load tests often use concurrency to create loads

Concurrency testing often involves server concurrency capacity, and multiprocess/multithreaded coordination synchronization can cause 30,000 problems

Concurrent test examples:

1.400 Concurrent users, transaction failure rate> 1.35%, software system failure

2.500 Concurrent users, transaction failure rate>10% system interruption

3.600 Concurrent users, transaction failure rate>80%, system crash

Benchmarking:

Examine whether the test system will have problems after running for a long time under a certain load

Some problems are only exposed after a day or a week or more of running. This problem is usually caused by the fact that the program consumes resources but cannot release them in time.

Recoverability test:

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