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https://issues.apache.org/jira/browse/BEAM-11983?focusedWorklogId=636638&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-636638
 ]

ASF GitHub Bot logged work on BEAM-11983:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 10/Aug/21 21:12
            Start Date: 10/Aug/21 21:12
    Worklog Time Spent: 10m 
      Work Description: MiguelAnzoWizeline commented on a change in pull 
request #15183:
URL: https://github.com/apache/beam/pull/15183#discussion_r686325565



##########
File path: 
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/datastore/DatastoreV1.java
##########
@@ -901,12 +907,28 @@ private RunQueryResponse 
runQueryWithRetries(RunQueryRequest request) throws Exc
         Sleeper sleeper = Sleeper.DEFAULT;
         BackOff backoff = RUNQUERY_BACKOFF.backoff();
         while (true) {
+          HashMap<String, String> baseLabels = new HashMap<>();
+          baseLabels.put(MonitoringInfoConstants.Labels.PTRANSFORM, "TODO");
+          baseLabels.put(MonitoringInfoConstants.Labels.SERVICE, "Datastore");
+          baseLabels.put(MonitoringInfoConstants.Labels.METHOD, 
"runQueryWithRetries");
+          baseLabels.put(MonitoringInfoConstants.Labels.RESOURCE, "TODO");
+          baseLabels.put(
+              MonitoringInfoConstants.Labels.BIGQUERY_PROJECT_ID, 
request.getProjectId());
+          ServiceCallMetric serviceCallMetric =
+              new 
ServiceCallMetric(MonitoringInfoConstants.Urns.API_REQUEST_COUNT, baseLabels);
           try {
             RunQueryResponse response = datastore.runQuery(request);
+            serviceCallMetric.call("ok");
             rpcSuccesses.inc();
             return response;
           } catch (DatastoreException exception) {
             rpcErrors.inc();
+            GoogleJsonError.ErrorInfo errorInfo = getErrorInfo(exception);
+            if (errorInfo == null) {
+              
serviceCallMetric.call(ServiceCallMetric.CANONICAL_STATUS_UNKNOWN);
+              throw exception;
+            }
+            serviceCallMetric.call(errorInfo.getReason());

Review comment:
       Hi @ajamato I followed up on the dev list thread mentioning that my 
problem right now is that I don't have access to the GCP project to test it, 
I'm currently asking for access.
   Meanwhile, I have a question about injecting an error, you mentioned that 
passing a non existing entity could be a way to do it, but passing a non 
existing entity would throw an exception before we attempt a read since 
[parsing](https://github.com/apache/beam/blob/ce406c69d2d06e5c5b659fa259253d5cc64249e7/sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/meta/provider/datastore/DataStoreReadWriteIT.java#L105)
 the query throws a ParseException beforehand. I’m trying to think on another 
way to cause an error but I haven’t yet thought of another possible way, most 
likely the DatastoreException would be thrown in cases of connection issues?




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 636638)
    Time Spent: 7h 40m  (was: 7.5h)

> Java Datastore - Implement IO Request Count metrics
> ---------------------------------------------------
>
>                 Key: BEAM-11983
>                 URL: https://issues.apache.org/jira/browse/BEAM-11983
>             Project: Beam
>          Issue Type: Test
>          Components: io-java-gcp
>            Reporter: Alex Amato
>            Assignee: Miguel Anzo
>            Priority: P3
>          Time Spent: 7h 40m
>  Remaining Estimate: 0h
>
> Reference PRs (See BigQuery IO example) and detailed explanation of what's 
> needed to instrument this IO with Request Count metrics is found in this 
> handoff doc:
> [https://docs.google.com/document/d/1lrz2wE5Dl4zlUfPAenjXIQyleZvqevqoxhyE85aj4sc/edit]
>  



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