kamalcph commented on code in PR #16210:
URL: https://github.com/apache/kafka/pull/16210#discussion_r1636623718
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core/src/test/java/kafka/log/remote/RemoteLogManagerTest.java:
##########
@@ -1000,7 +1000,7 @@ void testRemoteLogManagerRemoteMetrics() throws Exception
{
when(mockLog.onlyLocalLogSegmentsSize()).thenReturn(175L, 100L);
when(activeSegment.size()).thenReturn(100);
- when(mockLog.onlyLocalLogSegmentsCount()).thenReturn(1L);
+ when(mockLog.onlyLocalLogSegmentsCount()).thenReturn(2L);
Review Comment:
```suggestion
when(mockLog.onlyLocalLogSegmentsCount()).thenReturn(2L).thenReturn(1L);
// before running tasks, the metric should not be registered
assertThrows(NoSuchElementException.class, () ->
yammerMetricValue("RemoteCopyLagBytes,topic=" + leaderTopic));
assertThrows(NoSuchElementException.class, () ->
yammerMetricValue("RemoteCopyLagSegments,topic=" + leaderTopic));
assertThrows(NoSuchElementException.class, () ->
yammerMetricValue("RemoteLogSizeComputationTime,topic=" + leaderTopic));
// all topic metrics should be 0
assertEquals(0L, yammerMetricValue("RemoteCopyLagBytes"));
assertEquals(0L, yammerMetricValue("RemoteCopyLagSegments"));
assertEquals(0L, yammerMetricValue("RemoteLogSizeComputationTime"));
remoteLogManager.onLeadershipChange(Collections.singleton(mockLeaderPartition),
Collections.emptySet(), topicIds);
TestUtils.waitForCondition(
() -> 75 == safeLongYammerMetricValue("RemoteCopyLagBytes")
&& 75 == safeLongYammerMetricValue("RemoteCopyLagBytes,topic=" + leaderTopic),
String.format("Expected to find 75 for RemoteCopyLagBytes
metric value, but found %d for topic 'Leader' and %d for all topics.",
safeLongYammerMetricValue("RemoteCopyLagBytes,topic=" + leaderTopic),
safeLongYammerMetricValue("RemoteCopyLagBytes")));
TestUtils.waitForCondition(
() -> 1 ==
safeLongYammerMetricValue("RemoteCopyLagSegments") && 1 ==
safeLongYammerMetricValue("RemoteCopyLagSegments,topic=" + leaderTopic),
String.format("Expected to find 1 for RemoteCopyLagSegments
metric value, but found %d for topic 'Leader' and %d for all topics.",
safeLongYammerMetricValue("RemoteCopyLagSegments,topic=" + leaderTopic),
safeLongYammerMetricValue("RemoteCopyLagSegments")));
// unlock copyLogSegmentData
latch.countDown();
TestUtils.waitForCondition(
() ->
safeLongYammerMetricValue("RemoteLogSizeComputationTime") >= 1000 &&
safeLongYammerMetricValue("RemoteLogSizeComputationTime,topic=" + leaderTopic)
>= 1000,
String.format("Expected to find 1000 for
RemoteLogSizeComputationTime metric value, but found %d for topic 'Leader' and
%d for all topics.",
safeLongYammerMetricValue("RemoteLogSizeComputationTime,topic=" + leaderTopic),
safeLongYammerMetricValue("RemoteLogSizeComputationTime")));
remoteLogSizeComputationTimeLatch.countDown();
TestUtils.waitForCondition(
() -> 0 == safeLongYammerMetricValue("RemoteCopyLagBytes")
&& 0 == safeLongYammerMetricValue("RemoteCopyLagBytes,topic=" + leaderTopic),
String.format("Expected to find 0 for RemoteCopyLagBytes
metric value, but found %d for topic 'Leader' and %d for all topics.",
safeLongYammerMetricValue("RemoteCopyLagBytes,topic=" + leaderTopic),
safeLongYammerMetricValue("RemoteCopyLagBytes")));
TestUtils.waitForCondition(
() -> 0 ==
safeLongYammerMetricValue("RemoteCopyLagSegments") && 0 ==
safeLongYammerMetricValue("RemoteCopyLagSegments,topic=" + leaderTopic),
String.format("Expected to find 0 for RemoteCopyLagSegments
metric value, but found %d for topic 'Leader' and %d for all topics.",
safeLongYammerMetricValue("RemoteCopyLagSegments,topic=" + leaderTopic),
safeLongYammerMetricValue("RemoteCopyLagSegments")));
```
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