Question

Explain what is Dogpile effect? How can you prevent this effect?

Answer 1

Dogpile effect is referred to the event when cache expires, and websites are hit by the multiple requests made by the client at the same time. This effect can be prevented by using semaphore lock. In this system when value expires, first process acquires the lock and starts generating new value.

Answer 2

If the cache expires, and websites are hit by multiple requests made by the client at the same time, this effect is known as Dogpile effect.

This effect can be prevented by using a semaphore lock. In this system when value expires, the first process acquires the lock and starts generating new value.