What is the second-level cache update mechanism?

The update mechanism of the second-level cache mainly includes the following: 1. After Eureka Client sends register, renew and cancel requests and updates the registry, the second-level cache is deleted; 2. Eureka Server's own Evict Task is eliminated After service, delete the second-level cache; 3. The second-level cache itself has a guava invalidation mechanism, which will automatically expire after a period of time.

Operating system for this tutorial: Windows 10 system, Dell G3 computer.

The update mechanisms of the second-level cache mainly include the following:

1. After Eureka Client sends register, renew and cancel requests and updates the registry, the second-level cache is deleted.
2. After Eureka Server's own Evict Task eliminates the service, delete the second-level cache.
3. The second-level cache itself has set up the guava invalidation mechanism, and it will automatically expire after a period of time.

The second level cache is also called L2 CACHE. It is some buffer memory inside the processor and its function is the same as that of memory. As processors run faster and faster, memory read and write speeds increase slowly. Memory that can read and write data at high speeds is very expensive and cannot be used in large quantities. From the perspective of cost performance, processor design and production companies such as Intel have come up with a way to use a small amount of high-speed memory and a large amount of low-speed memory to jointly provide data for the processor.

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