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https://issues.apache.org/jira/browse/HDDS-1811?focusedWorklogId=278765&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-278765
]
ASF GitHub Bot logged work on HDDS-1811:
----------------------------------------
Author: ASF GitHub Bot
Created on: 18/Jul/19 06:40
Start Date: 18/Jul/19 06:40
Worklog Time Spent: 10m
Work Description: adoroszlai commented on pull request #1118: HDDS-1811.
Prometheus metrics are broken
URL: https://github.com/apache/hadoop/pull/1118
## What changes were proposed in this pull request?
Fix invalid metric type errors:
```
target=http://192.168.69.76:9882/prom err="invalid metric type
\"apache.hadoop.ozone.container.common.transport.server.ratis._csm_metrics_delete_container_avg_time
gauge\""
```
and
```
target=http://scm:9876/prom err="invalid metric type
\"_rati_s-_thre_e-d7116831-ac55-4bf2-a259-d85cfba0572d counter\""
```
1. datanode: avoid `.` in record name by using simple class name
2. SCM: replace `-` with `_`. Also properly convert `ALL_CAPS` names, eg.
`RATIS_THREE` to `ratis_three` instead of `_rati_s-_thre_e`.
https://issues.apache.org/jira/browse/HDDS-1811
## How was this patch tested?
Updated unit test.
Checked metrics in `ozoneperf` pseudo-cluster.
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Issue Time Tracking
-------------------
Worklog Id: (was: 278765)
Time Spent: 10m
Remaining Estimate: 0h
> Prometheus metrics are broken for datanodes due to an invalid metric
> --------------------------------------------------------------------
>
> Key: HDDS-1811
> URL: https://issues.apache.org/jira/browse/HDDS-1811
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Datanode
> Reporter: Elek, Marton
> Assignee: Doroszlai, Attila
> Priority: Blocker
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Datanodes can't be monitored with prometheus any more:
> {code}
> level=warn ts=2019-07-16T16:29:55.876Z caller=scrape.go:937 component="scrape
> manager" scrape_pool=pods target=http://192.168.69.76:9882/prom msg="append
> failed" err="invalid metric type
> \"apache.hadoop.ozone.container.common.transport.server.ratis._csm_metrics_delete_container_avg_time
> gauge\""
> {code}
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