Thanks Mhd and agree with the suggestion.
However, we are trying to catch a bug which happens in production on k8s &
hence trying to explore different options.
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Pada tanggal Sab, 12 Sep 2020 08.52, Siddhesh Divekar <
siddhesh.dive...@gmail.com> menulis:
> In writing to a file option, we would periodically write the file as it
> might turn out to be a huge file
> for the entire life of the pod to flush at once
>
Maybe, the obvious solution here is not
In writing to a file option, we would periodically write the file as it
might turn out to be a huge file
for the entire life of the pod to flush at once.
On Fri, Sep 11, 2020 at 6:32 PM Siddhesh Divekar
wrote:
> You need to write to a shared writable path that is global so when the pod
>>
>
> You need to write to a shared writable path that is global so when the pod
> terminated the file is avail.
That's a good idea, we can write to to a config map.
The http should work too if you map the ports properly. You can be able to
> access the port from outside the pod.
This might not
You need to write to a shared writable path that is global so when the pod
terminated the file is avail.
The http should work too if you map the ports properly. You can be able to
access the port from outside the pod.
> On Sep 11, 2020, at 7:14 PM, Siddhesh Divekar
> wrote:
>
>
> I went
I went through the suggested approaches and here are my thoughts.
- runtime/trace.Start - The example in the doc
https://golang.org/pkg/runtime/trace/ suggests adding
os.Create("trace.out"), trace.Start &
defer trace.Stop in the main before the application program gets started.
In an environment
Please read golang.org/cmd/trace
You need a trace file. There are many ways to capture one.
> On Sep 11, 2020, at 12:09 PM, Siddhesh Divekar
> wrote:
>
>
> Ok, let me get them working first.
>
> My concern with pprof is it has to be made part of my process.
> We had an issue where user
Ok, let me get them working first.
My concern with pprof is it has to be made part of my process.
We had an issue where user requests were not reaching our http server
itself.
In this case what are my options if pprof server is not reachable when we
hit the same issue again.
Are there any other
I would start with making sure you can get the standard ‘go tool trace’ and
‘pprof’ working. Once you have those working ‘goanalyzer’ is an enhanced
version.
The docs are far more complete and substantial on the standard tools.
> On Sep 11, 2020, at 1:37 AM, Siddhesh Divekar
> wrote:
>
>
Is there any dependency on GOPATH while running `./goanalyzer binary
trace-file` ?
Also my goanalyzer is built on mac and am trying to look at trace file
generated on ubuntu (shouldn't be a problem).
./goanalyzer ~/workspace/binary ~/workspace/trace
2020/09/10 23:27:32 Parsing trace...
goanalyzer = go tool trace
The options to goanalyzer are the same as ‘go tool trace’ - the usage message
is misleading in this way.
By ‘map’ I mean expose the pprof port as you would any other port, and yes you
use the net/http/pprof to start the internal webserver - you don’t need to
create
Hi Robert,
Laying down the steps to make sure I understood it correctly.
You can map the port
>
What did you mean by above ?
but might be easier to capture to a file via code and use goanalyzer on the
> file
>
In this case I will do the following.
a) Set up a webserver in my program for getting
You can map the port but might be easier to capture to a file via code and use
goanalyzer on the file.
> On Sep 10, 2020, at 4:53 PM, Siddhesh Divekar
> wrote:
>
>
> Hi,
>
> Has anyone tried running goanalyzer on golang process running inside k8s pod.
>
> If so can you point me to the
Hi,
Has anyone tried running goanalyzer on golang process running inside k8s
pod.
If so can you point me to the steps.
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