mynameborat commented on a change in pull request #1455:
URL: https://github.com/apache/samza/pull/1455#discussion_r553527473
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File path: docs/learn/documentation/versioned/container/metrics-table.html
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@@ -977,6 +983,57 @@ <h1>Samza Metrics Reference</h1>
<td>single-barrier-rebalancing-time</td>
<td><a href="#average-time">Average time</a> taken for all the
processors to get the latest version of the job model after single processor
change (without the occurence of a barrier timeout)</td>
</tr>
+ <tr>
+ <th colspan="2" class="section"
id="job-coordinator-metadata-manager-metrics">org.apache.samza.coordinator.JobCoordinatorMetadataManager.JobCoordinatorMetadataManagerMetrics<br><span
style="font-weight: normal;margin-left:40px;"><b>Note</b>: The following
metrics are applicable when Application Master High Availability is
enabled</span></th>
+ </tr>
+ <tr>
+ <td>application-attempt-count</td>
+ <td>Denotes the application attempt count within the scope of a single
deployment</td>
+ </tr>
+ <tr>
+ <td>config-changed</td>
+ <td>Denotes configuration changed across attempts within the scope of
a single deployment</td>
+ </tr>
+ <tr>
+ <td>job-model-changed</td>
+ <td>Denotes job model changed across attempts within the scope of a
single deployment</td>
+ </tr>
+ <tr>
+ <td>metadata-read-failed-count</td>
+ <td>Read failure count from the underlying metadata store</td>
+ </tr>
+ <tr>
+ <td>metadata-write-failed-count</td>
+ <td>Write failure count to the underlying metadata store</td>
Review comment:
It does write to underlying metadata store. the fact these apply for AM
HA is called out in the metrics documentation in the header.
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