jackye1995 commented on a change in pull request #4254:
URL: https://github.com/apache/iceberg/pull/4254#discussion_r818207509
##########
File path: aws/src/main/java/org/apache/iceberg/aws/s3/S3FileIO.java
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@@ -117,15 +120,22 @@ public void initialize(Map<String, String> properties) {
}
// Report Hadoop metrics if Hadoop is available
- try {
- DynConstructors.Ctor<MetricsContext> ctor =
-
DynConstructors.builder(MetricsContext.class).hiddenImpl(DEFAULT_METRICS_IMPL,
String.class).buildChecked();
- this.metrics = ctor.newInstance("s3");
-
- metrics.initialize(properties);
- } catch (NoSuchMethodException | ClassCastException e) {
- LOG.warn("Unable to load metrics class: '{}', falling back to null
metrics", DEFAULT_METRICS_IMPL, e);
+ String metricsImpl = properties.getOrDefault(
+ CatalogProperties.IO_METRICS_IMPL,
CatalogProperties.IO_METRICS_IMPL_DEFAULT);
+
+ ImmutableMap<String, String> metricContextProperties;
Review comment:
should never use concrete class for map as the type.
Also can just use `Map<String, String> metricContextProperties = properties`
and use a single if statement.
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