[ 
https://issues.apache.org/jira/browse/BEAM-6002?focusedWorklogId=163355&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-163355
 ]

ASF GitHub Bot logged work on BEAM-6002:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 07/Nov/18 04:05
            Start Date: 07/Nov/18 04:05
    Worklog Time Spent: 10m 
      Work Description: kennknowles closed pull request #6970: [BEAM-6002] 
Rollbacks PR #6927
URL: https://github.com/apache/beam/pull/6970
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):

diff --git 
a/sdks/java/core/src/main/java/org/apache/beam/sdk/coders/RowCoderGenerator.java
 
b/sdks/java/core/src/main/java/org/apache/beam/sdk/coders/RowCoderGenerator.java
index b7485821911..50be370adb0 100644
--- 
a/sdks/java/core/src/main/java/org/apache/beam/sdk/coders/RowCoderGenerator.java
+++ 
b/sdks/java/core/src/main/java/org/apache/beam/sdk/coders/RowCoderGenerator.java
@@ -101,12 +101,12 @@
   private static final Map<TypeName, StackManipulation> CODER_MAP;
 
   // Cache for Coder class that are already generated.
-  private static Map<UUID, Coder<Row>> generatedCoders = 
Maps.newConcurrentMap();
+  private static Map<UUID, Coder<Row>> generatedCoders = Maps.newHashMap();
 
   static {
     // Initialize the CODER_MAP with the StackManipulations to create the 
primitive coders.
     // Assumes that each class contains a static of() constructor method.
-    CODER_MAP = Maps.newConcurrentMap();
+    CODER_MAP = Maps.newHashMap();
     for (Map.Entry<TypeName, Coder> entry : RowCoder.CODER_MAP.entrySet()) {
       StackManipulation stackManipulation =
           MethodInvocation.invoke(


 

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

    Worklog Id:     (was: 163355)
    Time Spent: 2h 20m  (was: 2h 10m)

> Nexmark tests timing out on all runners (crash loop due to metrics?) 
> ---------------------------------------------------------------------
>
>                 Key: BEAM-6002
>                 URL: https://issues.apache.org/jira/browse/BEAM-6002
>             Project: Beam
>          Issue Type: Bug
>          Components: test-failures
>            Reporter: Kenneth Knowles
>            Assignee: Chamikara Jayalath
>            Priority: Critical
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
> https://builds.apache.org/view/A-D/view/Beam/job/beam_PostCommit_Java_Nexmark_Spark/992/
> {code}
> 08:58:26 2018-11-06T16:58:26.035Z RUNNING Query0
> 08:58:26 18/11/06 16:58:26 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get metric 
> event.elements, from namespace Query0.Events
> 08:58:26 18/11/06 16:58:26 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get metric 
> event.bytes, from namespace Query0.Events
> 08:58:26 18/11/06 16:58:26 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric event.startTime for namespace Query0.Events
> 08:58:26 2018-11-06T16:58:26.035Z no activity
> 08:58:26 18/11/06 16:58:26 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric event.endTime for namespace Query0.Events
> 08:58:26 18/11/06 16:58:26 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get metric 
> result.elements, from namespace Query0.Results
> 08:58:26 18/11/06 16:58:26 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get metric 
> result.bytes, from namespace Query0.Results
> 08:58:26 18/11/06 16:58:26 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric result.startTime for namespace Query0.Results
> 08:58:26 18/11/06 16:58:26 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric result.endTime for namespace Query0.Results
> 08:58:26 18/11/06 16:58:26 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric result.startTimestamp for namespace Query0.Results
> 08:58:26 18/11/06 16:58:26 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric result.endTimestamp for namespace Query0.Results
> 08:58:41 2018-11-06T16:58:41.035Z RUNNING Query0
> 08:58:41 18/11/06 16:58:41 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get metric 
> event.elements, from namespace Query0.Events
> 08:58:41 2018-11-06T16:58:41.036Z no activity
> 08:58:41 18/11/06 16:58:41 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get metric 
> event.bytes, from namespace Query0.Events
> 08:58:41 18/11/06 16:58:41 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric event.startTime for namespace Query0.Events
> 08:58:41 18/11/06 16:58:41 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric event.endTime for namespace Query0.Events
> 08:58:41 18/11/06 16:58:41 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get metric 
> result.elements, from namespace Query0.Results
> 08:58:41 18/11/06 16:58:41 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get metric 
> result.bytes, from namespace Query0.Results
> 08:58:41 18/11/06 16:58:41 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric result.startTime for namespace Query0.Results
> 08:58:41 18/11/06 16:58:41 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric result.endTime for namespace Query0.Results
> 08:58:41 18/11/06 16:58:41 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric result.startTimestamp for namespace Query0.Results
> 08:58:41 18/11/06 16:58:41 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric result.endTimestamp for namespace Query0.Results
> 08:58:56 2018-11-06T16:58:56.036Z RUNNING Query0
> 08:58:56 18/11/06 16:58:56 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get metric 
> event.elements, from namespace Query0.Events
> 08:58:56 2018-11-06T16:58:56.036Z no activity
> 08:58:56 18/11/06 16:58:56 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get metric 
> event.bytes, from namespace Query0.Events
> 08:58:56 18/11/06 16:58:56 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric event.startTime for namespace Query0.Events
> 08:58:56 18/11/06 16:58:56 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric event.endTime for namespace Query0.Events
> 08:58:56 18/11/06 16:58:56 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get metric 
> result.elements, from namespace Query0.Results
> 08:58:56 18/11/06 16:58:56 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get metric 
> result.bytes, from namespace Query0.Results
> 08:58:56 18/11/06 16:58:56 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric result.startTime for namespace Query0.Results
> 08:58:56 18/11/06 16:58:56 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric result.endTime for namespace Query0.Results
> 08:58:56 18/11/06 16:58:56 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric result.startTimestamp for namespace Query0.Results
> 08:58:56 18/11/06 16:58:56 ERROR 
> org.apache.beam.sdk.testutils.metrics.MetricsReader: Failed to get 
> distribution metric result.endTimestamp for namespace Query0.Results
> {code}



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