zhangyue19921010 commented on code in PR #13365:
URL: https://github.com/apache/hudi/pull/13365#discussion_r2124133565


##########
hudi-common/src/main/java/org/apache/hudi/common/bloom/HoodieDynamicBoundedBloomFilter.java:
##########
@@ -125,5 +126,42 @@ private void 
extractAndSetInternalBloomFilter(DataInputStream dis) throws IOExce
     internalDynamicBloomFilter = new InternalDynamicBloomFilter();
     internalDynamicBloomFilter.readFields(dis);
   }
+
+  @Override
+  public void or(BloomFilter other) {
+    if (other != null) {
+      ValidationUtils.checkArgument(other instanceof 
HoodieDynamicBoundedBloomFilter,
+          "HoodieDynamicBoundedBloomFilter can only perform OR operations with 
other HoodieDynamicBoundedBloomFilter.");
+      HoodieDynamicBoundedBloomFilter otherFilter = 
(HoodieDynamicBoundedBloomFilter) other;
+      int sourceMatrixLength = this.getMatrixLength();
+      int targetMatrixLength = otherFilter.getMatrixLength();
+      if (targetMatrixLength > sourceMatrixLength) {
+        this.rescaleFromTarget(targetMatrixLength);
+      } else {
+        otherFilter.rescaleFromTarget(sourceMatrixLength);
+      }
+      
this.internalDynamicBloomFilter.or(otherFilter.internalDynamicBloomFilter);
+    }
+  }
+
+  /**
+   * rescale the internal dynamic bloom filter by length
+   * @param targetMatrixLength
+   * @return
+   */
+  private HoodieDynamicBoundedBloomFilter rescaleFromTarget(int 
targetMatrixLength) {
+    int initMatrixLength = this.internalDynamicBloomFilter.getMatrixLength();
+    int needAddRowNum = targetMatrixLength - initMatrixLength;
+    if (needAddRowNum > 0) {
+      for (int i = 0; i < needAddRowNum; i++) {
+        this.internalDynamicBloomFilter.addRow();

Review Comment:
   Nice catch here. add a new func addRows to improve performance.



##########
hudi-common/src/main/java/org/apache/hudi/common/config/TypedProperties.java:
##########
@@ -39,7 +39,7 @@ public TypedProperties() {
     super(null);
   }
 
-  protected TypedProperties(Properties defaults) {
+  public TypedProperties(Properties defaults) {

Review Comment:
   removed.



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