JNSimba commented on code in PR #329:
URL:
https://github.com/apache/doris-spark-connector/pull/329#discussion_r2188902959
##########
spark-doris-connector/spark-doris-connector-base/src/main/java/org/apache/doris/spark/util/LoadBalanceList.java:
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@@ -0,0 +1,38 @@
+package org.apache.doris.spark.util;
+
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Random;
+
+
+public class LoadBalanceList<T> implements Iterable<T> {
+
+ private final List<T> list;
+
+ public LoadBalanceList(List<T> servers) {
+ this.list = Collections.unmodifiableList(servers);
+ }
+
+ @Override
+ public Iterator<T> iterator() {
+ return new Iterator<T>() {
+ final int offset = Math.abs(new Random().nextInt());
Review Comment:
If we set offset=0, the result of the operation may still be 1 every time?
Because it is a new Iterator every time?
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