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SignalFx is an example of a cloud based analytics service. SignalFx provides a
REST API for uploading metrics and a web portal that it simple to combine and trend data and build and share dashboards.
This article describes a proof of concept demonstrating how SignalFx's cloud service can be used to cost effectively monitor large scale cloud infrastructure by leveraging
standard sFlow instrumentation. SignalFx offers a free 14 day trial, making it easy to evaluate solutions based on this demonstration.
The diagram shows the measurement pipeline. Standard sFlow measurements from hosts, hypervisors, virtual machines, containers, load balancers, web servers and network switches stream to the
sFlow-RT real-time analytics engine. Metrics are pushed from sFlow-RT to SignalFx using the REST API.
Over 40 vendors implement the sFlow standard and compatible products are listed on
sFlow.org. The open source
Host sFlow agent exports standard sFlow metrics from hosts, virtual machines and containers and
local services. For additional background, the
Velocity conference talk provides an introduction to sFlow and case study from a large social networking site.
SignalFx's service is
priced based on the number of data points that they need to store and they estimate a cost of $15 per host
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