If a guest VM is experiencing poor storage performance with a high read ratio, what should be done to improve the situation?

When a guest VM is experiencing poor storage performance alongside a high read ratio, increasing SSD capacity can significantly improve the overall storage performance. SSDs provide faster read and write speeds compared to HDDs due to their non-mechanical architecture, which is particularly beneficial in scenarios where read-heavy workloads are prevalent.

By increasing the capacity of the SSDs, more data can be stored more efficiently in a higher-performing medium, which can help mitigate issues caused by I/O bottlenecks. This improved performance is especially important when applications are frequently accessing data, as it can reduce latency and increase throughput, leading to a better overall experience for the VM users.

In this context, while other options might address different aspects of storage performance, increasing SSD capacity directly targets the benefits that high-read operations can gain from having more resources available, ultimately leading to enhanced performance for the guest VM.