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  • Sep 24 14:15
    llinder commented #3475
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    fix some typos (#3464) Signed-… (compare)

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xuhao-xh
@xuhao-xh
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i use this "STORAGE_TYPE=elasticsearch ES_HOSTS=xxxx ES_USERNAME=xxx ES_PASSWORD=xxxx java -jar zipkin-server-2.22.2-exec.jar --logging.level.zipkin2=INFO" to start my zipkin but i failed,why?please help me
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1 reply
Adrian Cole
@adriancole
in case someone wants to watch https://linedevday.linecorp.com/2020/en/live/Day3/DPP_OSS
Scott Greenup
@scottgreenup

Hello everyone! :) I've just started instrumenting some services at work and hit a snag. I'm trying to work out what's best practice when creating a new span. The wording in https://zipkin.io/pages/instrumenting.html is a little ambiguous to me. Should I be creating a new span before I make a request (and send the new spanId with that request) or should the server receiving that request start a new span? I gather the choice is also up to me, but I'm wondering what the common pattern is.

Thanks in advance!

3 replies
Scott Greenup
@scottgreenup
Just a thought, is there a good resource to read about best practices around when to create new spans?
José Carlos Chávez
@jcchavezs
So in general if you add instrumentation to your libraries (e.g. http client, http server, etc) you don't need to create a span but they will be created for you.
Scott Greenup
@scottgreenup
That's the case for most of our stuff. Sadly we have one legacy library that isn't instrumented, so I'm having to wrap it.
I'm wondering if I pass the current span information along, or create a new one before sending it along.
But that's good advice in general :)
Adrian Cole
@adriancole
https://github.com/openzipkin/brave/releases/tag/5.13.2
3 replies
milind-techno
@milind-techno
Hello, Any recommendations for zipkin agents? I mean , agents which can sit alongside my application and send data to zipkin servers? Any specific recommendations please.
( Btw - I had a look at web and it seems skywalking agent is one , are there are alternatives especially from open-zipkin itself?
1 reply
Ucky.Kit
@uckyk
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19 replies
i run zipkin-ui/Dockerfile in k8s,and how to deal with this error , its show me operate timeout .i dont know what happened...
Ucky.Kit
@uckyk
It is run by DockerFile in zipkin, without any modification, and the build is unsuccessful several times
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Adrian Cole
@adriancole
the trick is this.. https://github.com/openzipkin/zipkin/blob/master/.github/workflows/readme_test.yml#L106-L107
if you are externally building with maven, then sharing with docker, you have to allow it
joybestourous
@joybestourous
What makes a span render red? Currently testing something and seeing no error annotations (apart from one error = false), but the span is red
Bas van Beek
@basvanbeek
Because if there is no error, there should not be an error tag at all
joybestourous
@joybestourous
thank you!
Bas van Beek
@basvanbeek
We treat error tag as the error and the value is for you to signal cause
José Carlos Chávez
@jcchavezs
What instrumentation are you using @joybestourous ?
joybestourous
@joybestourous
zipkin lens
1 reply
Tugay Ersoy
@Admiralkheir
hi, guys i have question about persistance. How can I configure zipkin(using for distributed tracing) with persisted. I don't want to lose trace logs after zipkin pod restarted
Bas van Beek
@basvanbeek
most common scenario is setting up an Elasticsearch cluster and using that as the storage backend
ES has a pretty decent operator so install should not be too hard
and you can instruct Zipkin to use ES by env. vars
https://github.com/openzipkin/zipkin/tree/master/zipkin-server#elasticsearch-storage
chuwuu
@chuwuu
hi，guys，how to configure zipkin to trace the grpc server, consumer can't capture the grpc requests according to official guide
Steve Conover
@sconover
Hi everyone, I've been googling around for a set of samples/example traces to do some analysis / perf testing with. Does anyone know of a zipkin sample trace dataset ... or any tracing dataset of this nature? (Ideally this dataset would be relatively large.)
Tugay Ersoy
@Admiralkheir
@basvanbeek i did like you said but now i cant see dependencies page
it is empty but traces are coming
Tugay Ersoy
@Admiralkheir
using elast 7.10.0
Bas van Beek
@basvanbeek
@Admiralkheir that is correct. you need to run a separate job when using external storage to aggregate the dependency links. See: https://github.com/openzipkin/zipkin-dependencies
@chuwuu there is various instrumentation for gRPC clients and servers. It would help to know what you are trying to instrument (which language/framework/etc)
Tugay Ersoy
@Admiralkheir
got it,if i dont use this job for 2 days. After that run this job is it linking all of them? or only this day?
Bas van Beek
@basvanbeek
as described in the repo, if you run it just before midnight you will have a topology view from the previous day. Each day needs a new one
Ben Iofel
@benwaffle
If i have two trees of spans in one file, with two SERVER spans whose parentId is not in the tree, Zipkin only shows one of them. That's not a bug in zipkin, right? It's a bug in the tracing library?
https://gist.github.com/benwaffle/30d64099f94dae70a02d9c687199d525
Bas van Beek
@basvanbeek
So it seems you're missing the root span then. so you have 2 fragments of the same trace where the originating span is missing.
Ben Iofel
@benwaffle
oh interesting, does the root span look different? or do you know just because I have 2 trees?
Bas van Beek
@basvanbeek
Typically not a bug, more likely a config issue where the ingress / originating service is starting the span but not sending it to Zipkin.
root span comes without parentId as it has no parent
that's the start of your trace
Ben Iofel
@benwaffle
good to know
Bas van Beek
@basvanbeek
so do you have another service where the request originates that starts the trace?
it might not be sending its span data to Zipkin which would account for it missing
Why it doesn't send typically is because one of the following reasons:
Ben Iofel
@benwaffle
yeah