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https://issues.apache.org/jira/browse/HTTPCORE-230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12888760#action_12888760
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Zhang Guilin commented on HTTPCORE-230:
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Yes, it would be better if it can be added. 
Besides this, I think creating HttpConnectionMetrics also has similar situation.


> Need time related metrics data
> ------------------------------
>
>                 Key: HTTPCORE-230
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-230
>             Project: HttpComponents HttpCore
>          Issue Type: New Feature
>          Components: HttpCore
>            Reporter: Zhang Guilin
>             Fix For: 4.1
>
>         Attachments: Sample_Metrics.txt
>
>
> I found this issue HTTPCORE-181 raised before.
> I got the similar requirement that we want to measure all kinds of 
> time-related data to get the performance report such as:
> 1. DNS parsing time
> 2. Connection setup time
> 2. header parsing time
> 3. body transfer time
> ...
> I found that there are a lot of "private" fields which have no setter method 
> in this component, this makes us hard to extend the functionality.
> For example in org.apache.http.impl.io.AbstractSessionInputBuffer#init() 
> method, it would be better to change "this.metrics = new 
> HttpTransportMetricsImpl();" to "this.metrics = createMetrics()" (a protected 
> method) which subclasses can easily override this if they want to get an 
> extended HttpTransportMetricsImpl instance.
> Can some one look at this feature?

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