pvary commented on code in PR #16155:
URL: https://github.com/apache/iceberg/pull/16155#discussion_r3163085413
##########
flink/v2.1/flink/src/main/java/org/apache/iceberg/flink/sink/IcebergStreamWriterMetrics.java:
##########
@@ -97,4 +107,55 @@ public Counter getFlushedDataFiles() {
public Counter getFlushedDeleteFiles() {
return flushedDeleteFiles;
}
+
+ @Nullable
+ Histogram dataFilesSizeHistogram() {
+ return dataFilesSizeHistogram;
+ }
+
+ @Nullable
+ Histogram deleteFilesSizeHistogram() {
+ return deleteFilesSizeHistogram;
+ }
+
+ static Histogram loadHistogramIfAvailable(
+ MetricGroup group, String name, int reservoirSize, ClassLoader
classLoader) {
+
+ if (isFlinkDropwizardAvailable(classLoader)) {
Review Comment:
Maybe like this:
```suggestion
try {
Class.forName(
"org.apache.flink.dropwizard.metrics.DropwizardHistogramWrapper",
false, classLoader);
return HistogramLoader.load(name, group, reservoirSize);
} catch (ClassNotFoundException e) {
LOG.warn(
"flink-metrics-dropwizard is not on the classpath. '{}' histogram
metrics will be disabled. Add org.apache.flink:flink-metrics-dropwizard to
enable them.",
name);
return null;
}
```
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