szetszwo commented on code in PR #7071:
URL: https://github.com/apache/hadoop/pull/7071#discussion_r1775489764
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/impl/MetricsConfig.java:
##########
@@ -135,7 +135,7 @@ static MetricsConfig loadFirst(String prefix, String...
fileNames) {
throw new MetricsConfigException(e);
}
}
- LOG.warn("Cannot locate configuration: tried " +
+ LOG.debug("Cannot locate configuration: tried " +
Joiner.on(",").join(fileNames));
Review Comment:
Let's also replace `Joiner` with `Arrays.asList(..)` and use `{}`.
```java
LOG.debug("Cannot locate configuration: tried {}",
Arrays.asList(fileNames));
```
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