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# supports
Slackbot
06/15/2022, 1:47 PMThis message was deleted.
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Pranay
06/15/2022, 2:35 PM
hey @Vladislav Lutsenko I don't think there is a direct UI which compares two traces in SigNoz. Can you explain in more detail what use case you are trying to solve here?
Would be great if you can open issue on this with example screenshots from Jaeger
https://github.com/SigNoz/signoz/issues/new/choose
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Vladislav Lutsenko
06/15/2022, 2:47 PMI want to find code block(s) (actually spans) that work slowly after some code refactoring or adding new features.
In my example, I have three logical code blocks
1. process_request: 5sec -> get_from_db: 10sec -> send_respose: 5sec
2. process_request: 5sec -> get_from_db: 15sec -> send_respose: 5sec
But after the changes in the SQL query, the get_from_db block takes more time than before.
If I have 20-50 or more logical blocks it is not so easy to find out which spans take more time than before the refactoring.
As for jaeger it compares two spans by new blocks but not by the taken time.
But there is the same request (as mine), please see
https://github.com/jaegertracing/jaeger-ui/issues/296
Vladislav Lutsenko
06/15/2022, 3:05 PMPS: I can add the new request to this feature if you wish.
But first of all, I want to understand maybe there is some other way to achieve this with signoz?
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Ankit Nayan
06/15/2022, 5:43 PM
@Vladislav Lutsenko there is currently no way to directly compare traces. Opening a feature request would be great.
Ankit Nayan
06/15/2022, 5:45 PM
signoz in current state can compare spans with their aggregates. Eg in the trace filter page, choose a filter to correctly represent a set of spans in which you are interested. The chart above can show you the p50 of the filtered spans and you can click on a span in the list below the chart to see the trace in detail.
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