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synapse/contrib/prometheus/consoles/synapse.html
Richard van der Hoff 6a78ede569
Improve reactor_tick_time metric (#11724) 
The existing implementation of the `python_twisted_reactor_tick_time` metric is pretty useless, because it *only* 
measures the time taken to execute timed calls and callbacks from threads. That neglects everything that 
happens off the back of I/O, which is obviously quite a lot for us.

To improve this, I've hooked into a different place in the reactor - in particular, where it calls `epoll`. That call is 
the only place it should wait for something to happen - the rest of the loop *should* be quick.

I've also removed `python_twisted_reactor_pending_calls`, because I don't believe anyone ever looks at it, and
it's a nuisance to populate.
2022-01-17 12:14:40 +00:00

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{{ template "head" . }}
{{ template "prom_content_head" . }}
<h1>System Resources</h1>
<h3>CPU</h3>
<div id="process_resource_utime"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#process_resource_utime"),
expr: "rate(process_cpu_seconds_total[2m]) * 100",
name: "[[job]]-[[index]]",
min: 0,
max: 100,
renderer: "line",
height: 150,
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "%",
yTitle: "CPU Usage"
})
</script>
<h3>Memory</h3>
<div id="process_resident_memory_bytes"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#process_resident_memory_bytes"),
expr: "process_resident_memory_bytes",
name: "[[job]]-[[index]]",
min: 0,
renderer: "line",
height: 150,
yAxisFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yHoverFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yUnits: "bytes",
yTitle: "Usage"
})
</script>
<h3>File descriptors</h3>
<div id="process_fds"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#process_fds"),
expr: "process_open_fds",
name: "[[job]]-[[index]]",
min: 0,
renderer: "line",
height: 150,
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "",
yTitle: "Descriptors"
})
</script>
<h1>Reactor</h1>
<h3>Total reactor time</h3>
<div id="reactor_total_time"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#reactor_total_time"),
expr: "rate(python_twisted_reactor_tick_time_sum[2m])",
name: "[[job]]-[[index]]",
max: 1,
min: 0,
renderer: "area",
height: 150,
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "s/s",
yTitle: "Usage"
})
</script>
<h3>Average reactor tick time</h3>
<div id="reactor_average_time"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#reactor_average_time"),
expr: "rate(python_twisted_reactor_tick_time_sum[2m]) / rate(python_twisted_reactor_tick_time_count[2m])",
name: "[[job]]-[[index]]",
min: 0,
renderer: "line",
height: 150,
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "s",
yTitle: "Time"
})
</script>
<h1>Storage</h1>
<h3>Queries</h3>
<div id="synapse_storage_query_time"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_storage_query_time"),
expr: "sum(rate(synapse_storage_query_time_count[2m])) by (verb)",
name: "[[verb]]",
yAxisFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yHoverFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yUnits: "queries/s",
yTitle: "Queries"
})
</script>
<h3>Transactions</h3>
<div id="synapse_storage_transaction_time"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_storage_transaction_time"),
expr: "topk(10, rate(synapse_storage_transaction_time_count[2m]))",
name: "[[job]]-[[index]] [[desc]]",
min: 0,
yAxisFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yHoverFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yUnits: "txn/s",
yTitle: "Transactions"
})
</script>
<h3>Transaction execution time</h3>
<div id="synapse_storage_transactions_time_sec"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_storage_transactions_time_sec"),
expr: "rate(synapse_storage_transaction_time_sum[2m])",
name: "[[job]]-[[index]] [[desc]]",
min: 0,
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "s/s",
yTitle: "Usage"
})
</script>
<h3>Average time waiting for database connection</h3>
<div id="synapse_storage_avg_waiting_time"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_storage_avg_waiting_time"),
expr: "rate(synapse_storage_schedule_time_sum[2m]) / rate(synapse_storage_schedule_time_count[2m])",
name: "[[job]]-[[index]]",
min: 0,
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "s",
yTitle: "Time"
})
</script>
<h3>Cache request rate</h3>
<div id="synapse_cache_request_rate"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_cache_request_rate"),
expr: "rate(synapse_util_caches_cache:total[2m])",
name: "[[job]]-[[index]] [[name]]",
min: 0,
yAxisFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yHoverFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yUnits: "rps",
yTitle: "Cache request rate"
})
</script>
<h3>Cache size</h3>
<div id="synapse_cache_size"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_cache_size"),
expr: "synapse_util_caches_cache:size",
name: "[[job]]-[[index]] [[name]]",
yAxisFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yHoverFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yUnits: "",
yTitle: "Items"
})
</script>
<h1>Requests</h1>
<h3>Requests by Servlet</h3>
<div id="synapse_http_server_request_count_servlet"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_http_server_request_count_servlet"),
expr: "rate(synapse_http_server_in_flight_requests_count[2m])",
name: "[[job]]-[[index]] [[method]] [[servlet]]",
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "req/s",
yTitle: "Requests"
})
</script>
<h4>&nbsp;(without <tt>EventStreamRestServlet</tt> or <tt>SyncRestServlet</tt>)</h4>
<div id="synapse_http_server_request_count_servlet_minus_events"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_http_server_request_count_servlet_minus_events"),
expr: "rate(synapse_http_server_in_flight_requests_count{servlet!=\"EventStreamRestServlet\", servlet!=\"SyncRestServlet\"}[2m])",
name: "[[job]]-[[index]] [[method]] [[servlet]]",
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "req/s",
yTitle: "Requests"
})
</script>
<h3>Average response times</h3>
<div id="synapse_http_server_response_time_avg"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_http_server_response_time_avg"),
expr: "rate(synapse_http_server_response_time_seconds_sum[2m]) / rate(synapse_http_server_response_count[2m])",
name: "[[job]]-[[index]] [[servlet]]",
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "s/req",
yTitle: "Response time"
})
</script>
<h3>All responses by code</h3>
<div id="synapse_http_server_responses"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_http_server_responses"),
expr: "rate(synapse_http_server_responses[2m])",
name: "[[method]] / [[code]]",
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "req/s",
yTitle: "Requests"
})
</script>
<h3>Error responses by code</h3>
<div id="synapse_http_server_responses_err"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_http_server_responses_err"),
expr: "rate(synapse_http_server_responses{code=~\"[45]..\"}[2m])",
name: "[[method]] / [[code]]",
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "req/s",
yTitle: "Requests"
})
</script>
<h3>CPU Usage</h3>
<div id="synapse_http_server_response_ru_utime"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_http_server_response_ru_utime"),
expr: "rate(synapse_http_server_response_ru_utime_seconds[2m])",
name: "[[job]]-[[index]] [[servlet]]",
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "s/s",
yTitle: "CPU Usage"
})
</script>
<h3>DB Usage</h3>
<div id="synapse_http_server_response_db_txn_duration"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_http_server_response_db_txn_duration"),
expr: "rate(synapse_http_server_response_db_txn_duration_seconds[2m])",
name: "[[job]]-[[index]] [[servlet]]",
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "s/s",
yTitle: "DB Usage"
})
</script>
<h3>Average event send times</h3>
<div id="synapse_http_server_send_time_avg"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_http_server_send_time_avg"),
expr: "rate(synapse_http_server_response_time_seconds_sum{servlet='RoomSendEventRestServlet'}[2m]) / rate(synapse_http_server_response_count{servlet='RoomSendEventRestServlet'}[2m])",
name: "[[job]]-[[index]] [[servlet]]",
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "s/req",
yTitle: "Response time"
})
</script>
<h1>Federation</h1>
<h3>Sent Messages</h3>
<div id="synapse_federation_client_sent"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_federation_client_sent"),
expr: "rate(synapse_federation_client_sent[2m])",
name: "[[job]]-[[index]] [[type]]",
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "req/s",
yTitle: "Requests"
})
</script>
<h3>Received Messages</h3>
<div id="synapse_federation_server_received"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_federation_server_received"),
expr: "rate(synapse_federation_server_received[2m])",
name: "[[job]]-[[index]] [[type]]",
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "req/s",
yTitle: "Requests"
})
</script>
<h3>Pending</h3>
<div id="synapse_federation_transaction_queue_pending"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_federation_transaction_queue_pending"),
expr: "synapse_federation_transaction_queue_pending",
name: "[[type]]",
yAxisFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yHoverFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yUnits: "",
yTitle: "Units"
})
</script>
<h1>Clients</h1>
<h3>Notifiers</h3>
<div id="synapse_notifier_listeners"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_notifier_listeners"),
expr: "synapse_notifier_listeners",
name: "[[job]]-[[index]]",
min: 0,
yAxisFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yHoverFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yUnits: "",
yTitle: "Listeners"
})
</script>
<h3>Notified Events</h3>
<div id="synapse_notifier_notified_events"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#synapse_notifier_notified_events"),
expr: "rate(synapse_notifier_notified_events[2m])",
name: "[[job]]-[[index]]",
yAxisFormatter: PromConsole.NumberFormatter.humanize,
yHoverFormatter: PromConsole.NumberFormatter.humanize,
yUnits: "events/s",
yTitle: "Event rate"
})
</script>
{{ template "prom_content_tail" . }}
{{ template "tail" }}
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