How deeply does ScyllaDB in Action cover Scylla JMX?

Explains the adapter’s purpose and request translation, but stops short of implementation internals.

Scylla JMX

Scylla JMX is an adapter that accepts JMX requests and translates them into operations understood by ScyllaDB.

Scylla JMX is an adapter that preserves compatibility with Cassandra tooling by accepting JMX requests and translating them into operations ScyllaDB understands. section 8.2.3

Its request path is straightforward:

A tool such as nodetool sends a JMX request. section 8.2.3
Scylla JMX receives the request and converts it for ScyllaDB, a non-Java application. section 8.2.3
For cluster-status requests, the adapter forwards the converted operation through Scylla’s REST API. section 8.2.3

Checking cluster status

When nodetool requests the cluster status, Scylla JMX translates that JMX operation so ScyllaDB can handle it without the database being written in Java. section 8.2.3

How ScyllaDB in Action covers it

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Related concepts

JMXuses · JMX, or Java Management Extensions, is a Java standard for instrumenting, monitoring, and managing applications, services, and system resources through managed interfaces.
RESTproduces · REST is an architectural style for distributed hypermedia systems that organizes interactions around resources and representations through constraints including a uniform interface, stateless communication, cacheability, and layered components.

This explainer was generated by Manning's knowledge graph from the text of ScyllaDB in Action. The section links point to the parts of the book it draws on.