[jira] [Commented] (TS-149) Split ram and disk cache hit response times into separate metrics

["Leif Hedstrom (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TS-149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14119263#comment-14119263 ] 

Leif Hedstrom commented on TS-149:
----------------------------------

[~bcall] I think this is actually done already, see TS-2944 and TS-3036. Please close as a dupe of TS-2944 if that's the case (and remove fix version)

> Split ram and disk cache hit response times into separate metrics
> -----------------------------------------------------------------
>
>                 Key: TS-149
>                 URL: https://issues.apache.org/jira/browse/TS-149
>             Project: Traffic Server
>          Issue Type: New Feature
>          Components: Cache
>            Reporter: Anirban
>            Assignee: Bryan Call
>            Priority: Minor
>              Labels: A
>             Fix For: 5.2.0
>
>
> Split ram and disk cache hit response times into separate metrics
> Original description
> by Stephen Bisordi from Yahoo
> It appears that the response time for ram cache hits and disk cache hits is captured as a single metric
> (transaction_totaltime.hit_fresh).  Would it be possible to split this into two separate metrics, or to add a ram cache
> hit result code to the log to differentiate between ram and disk hits (similar to Squid's TCP_MEM_HIT)?
> This change would allow for quicker troubleshooting of certain issues such as poor disk performance.
> 		



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