Description: An unstable instance refers to a type of virtual server that frequently experiences interruptions or performance issues. These instances can be affected by various factors, such as resource overload, network problems, or underlying hardware failures. Unstable instances can lead to downtime, high latencies, and a poor user experience, which can be critical for applications requiring high availability and consistent performance. The stability of an instance is essential to ensure that the applications and services relying on it operate efficiently. Users must pay attention to performance metrics and utilize monitoring tools to identify and mitigate instability issues. Additionally, it is advisable to implement recovery and scalability strategies, such as using instances across multiple availability zones, to minimize the impact of any service interruption. In summary, an unstable instance can compromise the reliability of cloud applications, highlighting the importance of proactive resource management in cloud computing environments.