Chapter 5. Listening Out
In a broad, distributed cluster of data storage, it is very useful to be able to know what is happening with our data, either to trigger an application-level response to an event, or to purely gain some visibility with regards to the internal goings-on. In this chapter, we will take a look at the following topics:
Creating and using collection listeners
Instance, lifecycle, and cluster membership listeners
The partition migration listener
Quorum functions and listeners