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https://issues.apache.org/jira/browse/MESOS-7524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16039578#comment-16039578
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James Peach edited comment on MESOS-7524 at 6/9/17 6:58 PM:
------------------------------------------------------------

| [r/59952|https://reviews.apache.org/r/59952] | Split FetcherProcess into its 
own source files. |
| [r/59467|https://reviews.apache.org/r/59467] | Document new Fetcher metrics. |
| [r/59466|https://reviews.apache.org/r/59466] | Add metrics check to Fetcher 
tests. |
| [r/59464|https://reviews.apache.org/r/59464] | Add Fetcher task total and 
failed fetch metrics. |
| [r/59855|https://reviews.apache.org/r/59855] | Set the fetcher cache size at 
construction time. |
| [r/59854|https://reviews.apache.org/r/59854] | Make additional Fetcher and 
FetcherProcess methods const. |


was (Author: jamespeach):
| [r/59467|https://reviews.apache.org/r/59467] | Document new Fetcher metrics. |
| [r/59464|https://reviews.apache.org/r/59464] | Add Fetcher task total and 
failed fetch metrics. |
| [r/59466|https://reviews.apache.org/r/59466] | Add metrics check to Fetcher 
tests. |
| [r/59855|https://reviews.apache.org/r/59855] | Set the fetcher cache size at 
construction time. |
| [r/59854|https://reviews.apache.org/r/59854] | Make additional Fetcher and 
FetcherProcess methods const. |

> Basic fetcher success metrics
> -----------------------------
>
>                 Key: MESOS-7524
>                 URL: https://issues.apache.org/jira/browse/MESOS-7524
>             Project: Mesos
>          Issue Type: Bug
>          Components: fetcher
>            Reporter: James Peach
>            Assignee: James Peach
>
> There are no metrics for the fetcher. As minimum we should have counters for:
> * successful fetcher invocations
> * failed fetcher invocations
> It would also be useful to know the fetch time, though that could be highly 
> variable depending on the cluster usage.



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