zentol closed pull request #7119: [FLINK-10907] Fix Flink JobManager metrics
from getting stuck after a job recovery.
URL: https://github.com/apache/flink/pull/7119
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
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diff --git
a/flink-runtime/src/main/java/org/apache/flink/runtime/metrics/groups/JobManagerMetricGroup.java
b/flink-runtime/src/main/java/org/apache/flink/runtime/metrics/groups/JobManagerMetricGroup.java
index e09051d7160..f67b49d6745 100644
---
a/flink-runtime/src/main/java/org/apache/flink/runtime/metrics/groups/JobManagerMetricGroup.java
+++
b/flink-runtime/src/main/java/org/apache/flink/runtime/metrics/groups/JobManagerMetricGroup.java
@@ -61,16 +61,17 @@ public String hostname() {
public JobManagerJobMetricGroup addJob(JobGraph job) {
JobID jobId = job.getJobID();
String jobName = job.getName();
- // get or create a jobs metric group
- JobManagerJobMetricGroup currentJobGroup;
synchronized (this) {
if (!isClosed()) {
- currentJobGroup = jobs.get(jobId);
+ JobManagerJobMetricGroup currentJobGroup =
jobs.get(jobId);
- if (currentJobGroup == null ||
currentJobGroup.isClosed()) {
- currentJobGroup = new
JobManagerJobMetricGroup(registry, this, jobId, jobName);
- jobs.put(jobId, currentJobGroup);
+ if (currentJobGroup != null) {
+ currentJobGroup.close();
}
+
+ currentJobGroup = new
JobManagerJobMetricGroup(registry, this, jobId, jobName);
+ jobs.put(jobId, currentJobGroup);
+
return currentJobGroup;
} else {
return null;
diff --git
a/flink-runtime/src/test/java/org/apache/flink/runtime/metrics/groups/JobManagerGroupTest.java
b/flink-runtime/src/test/java/org/apache/flink/runtime/metrics/groups/JobManagerGroupTest.java
index cb5ec67c97c..146fb3b1f45 100644
---
a/flink-runtime/src/test/java/org/apache/flink/runtime/metrics/groups/JobManagerGroupTest.java
+++
b/flink-runtime/src/test/java/org/apache/flink/runtime/metrics/groups/JobManagerGroupTest.java
@@ -32,6 +32,7 @@
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertTrue;
/**
@@ -58,13 +59,15 @@ public void addAndRemoveJobs() throws Exception {
JobManagerJobMetricGroup jmJobGroup12 = group.addJob(new
JobGraph(jid1, jobName1));
JobManagerJobMetricGroup jmJobGroup21 = group.addJob(new
JobGraph(jid2, jobName2));
- assertEquals(jmJobGroup11, jmJobGroup12);
+ assertNotEquals(jmJobGroup11, jmJobGroup12);
+ assertTrue(jmJobGroup11.isClosed());
+ assertTrue(!jmJobGroup12.isClosed());
assertEquals(2, group.numRegisteredJobMetricGroups());
group.removeJob(jid1);
- assertTrue(jmJobGroup11.isClosed());
+ assertTrue(jmJobGroup12.isClosed());
assertEquals(1, group.numRegisteredJobMetricGroups());
group.removeJob(jid2);
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