virajjasani commented on code in PR #5497:
URL: https://github.com/apache/hadoop/pull/5497#discussion_r1142803647
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hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/store/driver/TestStateStoreDriverBase.java:
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@@ -574,6 +578,15 @@ private static Map<String, Class<?>> getFields(BaseRecord
record) {
return getters;
}
+ public void testCacheLoadMetrics(StateStoreDriver driver, int numRefresh)
+ throws IOException, IllegalArgumentException {
+ StateStoreMetrics metrics = stateStore.getMetrics();
+ final Query<MountTable> query = new Query<>(MountTable.newInstance());
+ driver.getMultiple(MountTable.class, query);
+ assertEquals(numRefresh,
Review Comment:
The only problem with time duration check is that it could result in flaky
tests in future. Is numOps alone fine?
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