A predictable system is a myth. System failures are inevitable but you can be prepared for failures by building resilient systems. We explore chaos engineering as a way to do exactly that.
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What is chaos engineering?
Chaos engineering or chaos testing is a Site Reliability Engineering (SRE) technique that simulates unexpected system failures to test a system's behavior and recovery plan. Based on what is learned from these tests, organizations design interventions and upgrades to strengthen their technology.
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Why do we need chaos engineering?
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Let’s look at an instance where one of our e-commerce customers sees their applications terminating one after another during a Black Friday sale. But, there is no CPU or memory spike. Ultimately, it turns out that writing logs in a file within the container led to running out of disk space.Ìý
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In the microservices world, it is not uncommon for one slow service to d