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Introducing Vector: Netflix's On-Host Performance Monitoring Tool

techblog.netflix.com

11–20 of 64 posts

Re: Introducing Vector: Netflix's On-Host Performance Monitoring Tool

#11

What does this have that CloudWatch enhanced metrics doesn't? From the screenshots, the metrics look pretty similar. Not a slight at all against this project (it looks awesome), I'm just curious if your infrastructure is already AWS based what would cause you to choose a non-CloudWatch option.

It's one second metrics, and has been designed to allow us to add other metric sources and visualizations (using, say, ftrace, perf_events, SystemTap, etc), although those are not in the initial release.

Re: Introducing Vector: Netflix's On-Host Performance Monitoring Tool

#12
post #8

I got down to you should be able to install PCP from binary packages made available by the PCP development team on: ftp.pcp.io and that threw up a red flag in my brain. Then I noticed that techblog.netflix.com doesn't redirect to https (and indeed can't serve https) (I use https://www.eff.org/HTTPS-EVERYWHERE and did not get content over https). The directions _I_ saw for building from source looked pretty innocuous,…

Happy to discuss your concerns. PCP 3.10 should be available on Ubuntu's official repo pretty soon too.

Re: Introducing Vector: Netflix's On-Host Performance Monitoring Tool

#15
post #3

Earlier quoted context omitted.

Goal is a bit different. Vector doesn't collect and persist metrics. We needed something that had as little overhead as possible so it could be deployed to all our hosts and simplify the process of analyzing those metrics.

If its not collecting and persisting metrics, is it more of a glorified htop?

Wait, really?

Why not? Storage is cheap. Do you use something else to get historical visibility into metrics?

Re: Introducing Vector: Netflix's On-Host Performance Monitoring Tool

#18

Am I wrong in saying this is a web interface that wraps PCP? So you can't really compare it to inspeqtor or collectd since those actually do the metrics collection.

True. But that's the first release of Vector. We expect to make our custom PCP agents public soon.

Re: Introducing Vector: Netflix's On-Host Performance Monitoring Tool

#19
post #14

The charts look like they were built with nvd3. Can anyone confirm/deny?

That's right. Any suggestion of better reusable charts?

IMO nvd3 is one of the better high-level charting libraries in terms of number of charts, out-of-the box styles and interactivity.

Re: Introducing Vector: Netflix's On-Host Performance Monitoring Tool

#20
post #18

Am I wrong in saying this is a web interface that wraps PCP? So you can't really compare it to inspeqtor or collectd since those actually do the metrics collection.

True. But that's the first release of Vector. We expect to make our custom PCP agents public soon.

Sorry I should clarify I was making that statement for my understanding, not to degrade the project!
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