stevenzwu commented on code in PR #10208:
URL: https://github.com/apache/iceberg/pull/10208#discussion_r1579871219


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flink/v1.19/flink/src/test/java/org/apache/iceberg/flink/source/TestIcebergSourceFailover.java:
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@@ -40,24 +44,27 @@
 import org.apache.iceberg.FileFormat;
 import org.apache.iceberg.Schema;
 import org.apache.iceberg.Table;
+import org.apache.iceberg.TableProperties;
 import org.apache.iceberg.data.GenericAppenderHelper;
 import org.apache.iceberg.data.RandomGenericData;
 import org.apache.iceberg.data.Record;
 import org.apache.iceberg.flink.FlinkConfigOptions;
+import org.apache.iceberg.flink.FlinkReadOptions;
 import org.apache.iceberg.flink.HadoopTableResource;
 import org.apache.iceberg.flink.SimpleDataUtil;
 import org.apache.iceberg.flink.TestFixtures;
 import org.apache.iceberg.flink.sink.FlinkSink;
 import org.apache.iceberg.flink.source.assigner.SimpleSplitAssignerFactory;
 import org.apache.iceberg.relocated.com.google.common.collect.Lists;
+import org.awaitility.Awaitility;
 import org.junit.ClassRule;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 
 public class TestIcebergSourceFailover {
 
-  private static final int PARALLELISM = 4;
+  private static final int PARALLELISM = 2;

Review Comment:
   can we add the comment to the code? otherwise, reader may thought the 
parallelism is purely arbitrary (>1)



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