Métriques de la surveillance Synthetic

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Présentation

Les métriques suivantes sont générées par les tests de surveillance Synthetic.

Les métriques qui commencent par :

synthetics.test_runs proviennent de tous vos tests Synthetic ;
datadog.estimated_usage.synthetics.* renvoient les données d’utilisation pertinentes de vos tests Synthetic.

Les métriques qui commencent par :

synthetics.api.* proviennent de vos tests API ;
- synthetics.http.* proviennent de vos tests API HTTP ;
- synthetics.ssl.* proviennent de vos tests API SSL ;
- synthetics.dns.* proviennent de vos tests API DNS ;
- synthetics.websocket.* proviennent de vos tests API WebSocket ;
- synthetics.tcp.* proviennent de vos tests API TCP ;
- synthetics.udp.* proviennent de vos tests API UDP ;
- synthetics.icmp.* proviennent de vos tests API ICMP ;
synthetics.multi.* proviennent de vos tests API à plusieurs étapes ;
synthetics.browser.* proviennent de vos tests Browser ;
synthetics.pl.worker.* proviennent de vos emplacements privés.

Métriques générales

synthetics.test_runs (count)	The number of Synthetic test runs. Shown as run
datadog.estimated_usage.synthetics.api_test_runs (count)	Estimated usage for API tests. Shown as run
datadog.estimated_usage.synthetics.browser_test_runs (count)	Estimated usage for browser tests. Shown as run

Tests API

synthetics.api.response
(count)

The count of API responses we receive.
Shown as request

Tests HTTP

synthetics.http.response.time (gauge)	The overall time the request took to be processed. Shown as millisecond
synthetics.http.response.size (gauge)	The size of the response in bytes. Shown as byte
synthetics.http.redirect.time (gauge)	The time spent during redirections. Shown as millisecond
synthetics.http.dns.time (gauge)	The time spent resolving the DNS name of the last request. Shown as millisecond
synthetics.http.connect.time (gauge)	The time to establish the TCP connection to the server. Shown as millisecond
synthetics.http.ssl.time (gauge)	The duration of the TLS handshake. This metric does not appear if the last request is not over HTTPS. Shown as millisecond
synthetics.http.send.time (gauge)	The time to send the request. Shown as millisecond
synthetics.http.firstbyte.time (gauge)	The time spent waiting for the first byte of response to be received. Shown as millisecond
synthetics.http.download.time (gauge)	The time spent downloading the response. Shown as millisecond
synthetics.http.response (count)	The count of HTTP responses we receive. Shown as request
synthetics.http.response.time.distrib (gauge)	The overall time the request took to be processed. Shown as millisecond
synthetics.http.firstbyte.time.distrib (gauge)	The time spent waiting for the first byte of response to be received. Shown as millisecond
synthetics.http.redirect.time.distrib (gauge)	The time spent during redirections. Shown as millisecond
synthetics.http.dns.time.distrib (gauge)	The time spent resolving the DNS name of the last request. Shown as millisecond
synthetics.http.connect.time.distrib (gauge)	The time to establish the TCP connection to the server. Shown as millisecond
synthetics.http.ssl.time.distrib (gauge)	The duration of the TLS handshake. This metric does not appear if the last request is not over HTTPS. Shown as millisecond
synthetics.http.download.time.distrib (gauge)	The time spent downloading the response. Shown as millisecond

Tests SSL

synthetics.ssl.dns.time (gauge)	The duration of the DNS lookup. Shown as millisecond
synthetics.ssl.handshake.time (gauge)	The duration of the TLS handshake. Shown as millisecond
synthetics.ssl.response.time (gauge)	The overall time the request took to be processed. Shown as millisecond
synthetics.ssl.time_to_expiry (gauge)	The remaining time before the SSL certificate expires. Shown as minute
synthetics.ssl.response (count)	The count of SSL responses we receive. Shown as request
synthetics.ssl.response.time.distrib (gauge)	The overall time the request took to be processed. Shown as millisecond

Tests DNS

synthetics.dns.response.time (gauge)	The overall time the request took to be processed. Shown as millisecond
synthetics.dns.response.time.distrib (gauge)	The overall time the request took to be processed. Shown as millisecond

Tests WebSocket

synthetics.websocket.response.time (gauge)	The overall time the websocket request took to be processed. Shown as millisecond
synthetics.websocket.redirect.time (gauge)	The time spent during redirections. Shown as millisecond
synthetics.websocket.dns.time (gauge)	The duration of the DNS lookup. Shown as millisecond
synthetics.websocket.connect.time (gauge)	The overall connection time for the websocket request. Shown as millisecond
synthetics.websocket.ssl.time (gauge)	The duration of the TLS handshake. Shown as millisecond
synthetics.websocket.firstbyte.time (gauge)	The time spent waiting for the first byte of response to be received. Shown as millisecond
synthetics.websocket.download.time (gauge)	The time spent downloading the response. Shown as millisecond
synthetics.websocket.open.time (gauge)	The overall time the websocket remained open. Shown as millisecond
synthetics.websocket.receive.time (gauge)	The overall time the websocket connection spent receiving data. Shown as millisecond
synthetics.websocket.response.time.distrib (gauge)	The overall time the websocket request took to be processed. Shown as millisecond
synthetics.websocket.firstbyte.time.distrib (gauge)	The time spent waiting for the first byte of response to be received. Shown as millisecond

Tests TCP

synthetics.tcp.response.time (gauge)	The overall time the request took to be processed. Shown as millisecond
synthetics.tcp.dns.time (gauge)	The duration of the DNS lookup. Shown as millisecond
synthetics.tcp.connect.time (gauge)	The time to establish the TCP connection. Shown as millisecond
synthetics.tcp.response.time.distrib (gauge)	The overall time the request took to be processed. Shown as millisecond

Tests UDP

synthetics.udp.response.time (gauge)	The overall time the UDP request took to be processed. Shown as millisecond
synthetics.udp.dns.time (gauge)	The duration of the DNS lookup. Shown as millisecond
synthetics.udp.message.time (gauge)	The overall time for a message to be received. This does not include DNS time. Shown as millisecond
synthetics.udp.response.time.distrib (gauge)	The overall time the UDP request took to be processed. Shown as millisecond

Tests ICMP

synthetics.icmp.hops (gauge)	The number of hops associated with the traceroute execution. Shown as hop
synthetics.icmp.packet_loss_percentage (gauge)	The percentage of packet loss associated with the last ping. Shown as percent
synthetics.icmp.latency_avg (gauge)	The average latency across all pings. Shown as millisecond
synthetics.icmp.latency_max (gauge)	The maximum latency across all pings. Shown as millisecond
synthetics.icmp.latency_min (gauge)	The minimum latency across all pings. Shown as millisecond
synthetics.icmp.latency_stddev (gauge)	The standard deviation latency across all pings. Shown as millisecond
synthetics.icmp.packets_received (gauge)	The number of packets successfully received. Shown as packet
synthetics.icmp.packets_sent (gauge)	The number of packets sent. Shown as packet

Pour en savoir plus sur les durées des tests API, consultez le guide sur les durées et les écarts des tests API.

Tests API à plusieurs étapes

synthetics.multi.response.time (gauge)	The overall time the multistep request took to be processed. Shown as millisecond
synthetics.multi.response.time.distrib (gauge)	The overall time the multistep request took to be processed. Shown as millisecond

Tests Browser

synthetics.browser.test_duration (gauge)	The total time it took to execute the browser test. Shown as millisecond
synthetics.browser.time_to_interactive (gauge)	The time until a page can be interacted with. Calculated from the first page in a browser test. Shown as millisecond
synthetics.browser.number_of_buckets (count)	The number of buckets in a browser test. Every 25 steps in a browser test is a single bucket.
synthetics.browser.step.largest_contentful_paint (gauge)	The Largest Contentful Paint (core web vital) in a browser test step. Shown as millisecond
synthetics.browser.step.cumulative_layout_shift (gauge)	The Cumulative Layout Shift (core web vital) in a browser test step.
synthetics.browser.step.duration (gauge)	The total time it took to execute a browser test step. Shown as millisecond
synthetics.browser.time_to_interactive.distrib (gauge)	The time until a page can be interacted with. Calculated from the first page in a browser test. Shown as millisecond
synthetics.browser.step.largest_contentful_paint.distrib (gauge)	The Largest Contentful Paint (core web vital) in a browser test step. Shown as millisecond
synthetics.browser.step.cumulative_layout_shift.distrib (gauge)	The Cumulative Layout Shift (core web vital) in a browser test step.
synthetics.browser.test_duration.distrib (gauge)	The total time it took to execute the browser test. Shown as millisecond
synthetics.browser.step.duration.distrib (gauge)	The total time it took to execute a browser test step. Shown as millisecond

Emplacements privés

synthetics.pl.worker.running (gauge)	The number of worker containers available for a private location to run tests. Shown as worker
synthetics.pl.worker.outdated (gauge)	The number of worker containers running an old image version that can now be upgraded. Shown as worker
synthetics.pl.worker.pulled_tests (gauge)	The number of tests pulled by a worker container for a private location.
synthetics.pl.worker.remaining_slots (gauge)	The available worker slots to run Synthetic tests. This value depends on the concurrency parameter of a private location.
synthetics.pl.worker.concurrency (count)	The average worker concurrency value.

Pour aller plus loin

Documentation, liens et articles supplémentaires utiles:

Durées et écarts des tests APIDOCUMENTATION