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This section describes the workflow of streaming metrics from a host to the Cloudify Manager management environment.
participant X as external
participant RMQ as RabbitMQ
participant LS as logstash
participant PSQL as PostgreSQL
participant EV as External View
X->>RMQ: submit event
Note over RMQ: queued
Note over LS: processed
Note over PSQL: stored
REST->>PSQL: db query
Note over REST: proxy query request
Nginx->>REST: db query
Note over Nginx: proxy query request
UI->>Nginx: db query
EV-->>Nginx: db query
RabbitMQ stores messages within a dedicated, durable, non-exclusive topic exchange.
Log messages and events have separate queues. For Cloudify Manager version 4.4 and above, logs and events are stored in PostgreSQL. You can access the logs and events from the REST API events endpoint and from the Cloudify Management Console.