yihua commented on code in PR #11748:
URL: https://github.com/apache/hudi/pull/11748#discussion_r1712013942
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hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/util/StreamerUtil.java:
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@@ -314,7 +314,7 @@ public static boolean partitionExists(String tablePath,
String partitionPath, or
* Generates the bucket ID using format {partition path}_{fileID}.
*/
public static String generateBucketKey(String partitionPath, String fileId) {
- return String.format("%s_%s", partitionPath, fileId);
+ return partitionPath + "_" + fileId;
Review Comment:
If you want the best micro performance strictly, `StringBuilder` should be
used.
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