March 2020
Intermediate to advanced
626 pages
14h 45m
English
Content preview from Mastering Service Mesh
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Exporting metrics
Prometheus, which runs as part of Linkerd's control plane, retains data for approximately 6 hours. If further data retention is required, the metrics can be exported to a data store such as the Elasticsearch, Logstash, and Kibana (ELK) stack or to a dedicated Prometheus instance.
The Prometheus federation API or ServiceMonitors can be used to copy data using the /federate path from Linkerd Prometheus to the dedicated Prometheus store.
Alternatively, you can call the federation API directly, and then it can be ingested by a Kafka stream, which can then dump it to an ELK stack, like so:
$ curl -G \ --data-urlencode 'match[]={job="linkerd-proxy"}' \ --data-urlencode 'match[]={job="linkerd-controller"}' \ http://linkerd-prometheus.linkerd.svc.cluster.local:9090/federate ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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