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50 lines
1.3 KiB
ReStructuredText
50 lines
1.3 KiB
ReStructuredText
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How to monitor Synapse metrics using Prometheus
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===============================================
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1: install prometheus:
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Follow instructions at http://prometheus.io/docs/introduction/install/
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2: enable synapse metrics:
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Simply setting a (local) port number will enable it. Pick a port.
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prometheus itself defaults to 9090, so starting just above that for
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locally monitored services seems reasonable. E.g. 9092:
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Add to homeserver.yaml
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metrics_port: 9092
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Restart synapse
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3: check out synapse-prometheus-config
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https://github.com/matrix-org/synapse-prometheus-config
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4: arrange for synapse.html to appear in prometheus's "consoles"
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directory - symlink might be easiest to ensure `git pull` keeps it
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updated.
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5: arrange for synapse.rules to be invoked from the main
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prometheus.conf and add a synapse target. This is easiest if
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prometheus runs on the same machine as synapse, as it can then just
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use localhost::
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global: {
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rule_file: "synapse.rules"
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}
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job: {
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name: "synapse"
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target_group: {
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target: "http://localhost:9092/"
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}
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}
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6: start prometheus::
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./prometheus -config.file=prometheus.conf
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7: wait a few seconds for it to start and perform the first scrape,
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then visit the console:
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http://server-where-prometheus-runs:9090/consoles/synapse.html
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