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Posted to issues@htrace.apache.org by "stack (JIRA)" <ji...@apache.org> on 2015/10/23 01:53:27 UTC

[jira] [Commented] (HTRACE-280) htraced: add metrics about total spans added and dropped per address

    [ https://issues.apache.org/jira/browse/HTRACE-280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14970132#comment-14970132 ] 

stack commented on HTRACE-280:
------------------------------

Is there not a metrics system for go that we could use? One with histograms and rolling buffers that would print nice stuff like median, mean, percentiles?

This will do in meantime... +1

> htraced: add metrics about total spans added and dropped per address
> --------------------------------------------------------------------
>
>                 Key: HTRACE-280
>                 URL: https://issues.apache.org/jira/browse/HTRACE-280
>             Project: HTrace
>          Issue Type: Bug
>          Components: htraced
>    Affects Versions: 4.1
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HTRACE-280.001.patch
>
>
> htraced needs metrics about the total spans added and dropped per address.  This will let us calibrate the sampling rate, and figure out what hosts are making the most use of tracing.



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