Currently, the vast majority of jobs are performance requirements or to add it as a sub-item (performance priority will), even if you are not a performance interview, the interview may ask performance, so we will have the "interview made rockets, go screw screw " resonance. As for why companies pay attention to performance, surely we all know, not repeat them here.
Performance division front-end performance and server performance requires knowledge of the scope is relatively broad, for example, back-end performance needs: linux, nginx, dubbo, mysql , redis, mq, jvm, java, jmeter or loadrunner and so mainstream, follow-up also one by one to share that knowledge.
Many people must resume the recruitment requirements are also matched to write, right? If the performance will not write a resume, it may appear to be relatively low, resume screening have not been, write performance will be on it, and how to do the interview anxiety! Many people may have not done performance, or only use tools, no monitoring, analysis, practical experience positioning, tuning, if the interviewer asks performance, such as: Give an example of one of the most rewarding performance bug, the how Reply? It estimated that many people even the most rewarding function bug did not.
Before I also interviewed a lot of performance seekers, most of them stay only a tool, not a complete analysis of the positioning of ideas in.
In order to help you cope with this problem (please provide examples one of the most rewarding performance bug), I deliberately finishing a few cases before the share performance, there is a simple, but also more in-depth (involving framework source code), it is recommended Duokanjibian , the idea is very important, you can choose about two in mind, if there is doubt looked to be concerned about the public number to contact me for advice.
Performance test interview guide
How to Interview Performance Testing
Performance Testing Case Interview
basis
Performance test cases: bandwidth high
Performance test cases: get less than redis connection pool
Performance test cases: Database cpu high lead to long response time
Advanced (loading force necessary)
Performance test cases: redis not obtain connection pool, Timeout waiting for idle object
Performance test cases: tps fluctuate frequently
Performance test cases: a frequent problem fgc
ok, you can safely go to the interview, Good luck.
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