Tracing Services

Jaeger Tracing

Ceph uses Jaeger as its tracing backend. In order to use tracing, we need to deploy those services.

For further details on tracing in Ceph, see Ceph tracing documentation.

Deployment

Jaeger tracing consists of 3 services:

Jaeger Agent
Jaeger Collector
Jaeger Query

Jaeger requires a database for the traces. We use ElasticSearch (version 6) by default.

To deploy Jaeger services when not using your own ElasticSearch (deploys all 3 services with a new ElasticSearch container):

ceph orch apply jaeger

To deploy Jaeger services with an existing ElasticSearch cluster and an existing Jaeger query (deploys agents and collectors only):

ceph orch apply jaeger --without-query --es_nodes=ip:port,..

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