Amazon's start in distributed tracing

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adrian.f.cole

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Nov 22, 2016, 8:32:36 PM11/22/16
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Hey, folks. Colm recently blogged about how distributed trace id propagation works in Amazon ALBs. Worth a peek!


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-A

wu.shen...@gmail.com

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Nov 23, 2016, 3:19:29 AM11/23/16
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Amazon use Load Balance to generate, find and log traceid, and application receive the id, and set it to the head again when propagation.

It gives the way to build trace through ALBs‘s logs.

在 2016年11月23日星期三 UTC+8上午9:32:36，adrian.f.cole写道：

adrian.f.cole

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Dec 1, 2016, 3:20:55 PM12/1/16
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Here's a more formal product on this: X-Ray which seems inspired by other services like dapper. that said, it has a minimal data structure and api

Morgan McLean

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Dec 1, 2016, 4:22:59 PM12/1/16
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I just saw this as well, going to try it out. Their docs don't mention if their load balancer tracing has any connection to X-Ray, but I'll find out.

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adrian.f.cole

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Dec 1, 2016, 9:47:33 PM12/1/16
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I was looking at the trace id format, which is identical to the ALB stuff (or looks that way).

I suspect there's an internal api used at Amazon as the Put api is quite opaque while the TraceSummary details have structure to them.


In other words, I don't see parity between get and set (or patch), which is different than Google StackDriver Trace, for example, where the data model of the read api is the same as the write one.

Adrian Cole

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Jan 25, 2017, 11:10:49 AM1/25/17
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Amazon just fleshed out the docs on the span (segment) format.
Interesting stuff
http://docs.aws.amazon.com/xray/latest/devguide/xray-api-segmentdocuments.html
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adrian.f.cole

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Nov 21, 2017, 9:15:28 PM11/21/17
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