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I recently encountered an issue where a partial or functional component was re-rendered multiple times, resulting in an inline function c...
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Trending Over Three Years
With the proliferation of microservice architecture, distributed tracing has become more and more important in recent days. Because the l...
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How do I send tracing (OpenTelemetry/OpenTracing?) info to Grafana Tempo from a Phoenix api in 2022?
I’m having a hard time figuring out where to start. I’d like to configure our Phoenix apis to send trace info to Grafana Tempo, so that I...
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Background
I have an app that prints out the following error every few seconds:
=ERROR REPORT==== 17-Jun-2019::13:50:08.172872 ===
Unexp...
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Background
Our app is constantly printing an error message and we have no idea where it is coming from. My objective is to detect which p...
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I had a very large module (for my experience) with around 2k loc. I broke it down for organisational purposes, although I'm just "importi...
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I’m trying to use the dbg tracer from Erlang in Elixir. At the moment I have the following line:
:dbg.tracer(process, fn (msg, _) -> ...
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Hello!
This is surprisingly my first topic despite lurking for a very long time.
I find myself wanting to add tracing and some form of ...
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How does one approach gathering runtime statistics about function calls from modules that belong to a specific app?
In my app, using a c...
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https://hexdocs.pm/recon_ex/ReconTrace.html#format/1
ReconTrace (taking one example) is a trading library (like all of them) which provi...
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Background
I have an app constantly logging the following error:
=ERROR REPORT==== 18-Jun-2019::11:30:55.362697 ===
Unexpected message: ...
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Background
I have an app that is printing the following error every 2 or 3 seconds:
=ERROR REPORT==== 14-Jun-2019::14:31:35.089496 ===
U...
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I’m new to Elixir and playing around with tracing. Following an example, I successfully setup :dbg to trace Enum.map/2 when executed insi...
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Hi there,
Is there a way to trace, in any way, when a message arrives in the mailbox of a GenServer? Note, I am not refering to the mome...
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I’m watching Chris McCord’s original video on his design for Phoenix and I’m trying to follow along with the files that he is looking at ...
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TIL that I can hook my own print functions into Rexbug:
iex(1)> Rexbug.start("Map.get/_ :: return", [print_fun: fn msg -> IO.inspe...
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