Rebase commits to feature/radius-search branch (#1510)

* Optimize Faiss Query With Filters: Reduce iteration and memory for id filter (#1402) * Optimize Faiss Query With Filters. Reduce iteration copy for docid set iterator Signed-off-by: luyuncheng <[email protected]> * Optimize Faiss Query With Filters. Reduce iteration copy for docid set iterator. Use Bitmap And Batch to do id filter. and you sparse or fixed bitset do exact ANN search Signed-off-by: luyuncheng <[email protected]> * Using int64_t instead of long type for GetLongArrayElements Signed-off-by: luyuncheng <[email protected]> * Add IDSelectorJlongBitmap Signed-off-by: luyuncheng <[email protected]> * 1. Add IDSelectorJlongBitmap and UT for it 2. Move FilterIdsSelectorType to a util class Signed-off-by: luyuncheng <[email protected]> * 1. Add IDSelectorJlongBitmap and UT for it 2. Move FilterIdsSelectorType to a util class 3. Spotless apply Signed-off-by: luyuncheng <[email protected]> * Rebase remote-tracking branch 'origin/main' into Filter Signed-off-by: luyuncheng <[email protected]> * tidy Signed-off-by: luyuncheng <[email protected]> * Add Changelog Signed-off-by: luyuncheng <[email protected]> * fix javadoc tasks Signed-off-by: luyuncheng <[email protected]> * fix bwc javadoc Signed-off-by: luyuncheng <[email protected]> * UpdatedFilterIdsSelector Signed-off-by: luyuncheng <[email protected]> * UpdatedFilterIdsSelector Signed-off-by: luyuncheng <[email protected]> * Rebase faiss_wrapper.cpp Signed-off-by: luyuncheng <[email protected]> * UpdatedFilterIdsSelector For description Select different FilterIdsSelectorType Signed-off-by: luyuncheng <[email protected]> * UpdatedFilterIdsSelector For description Select different FilterIdsSelectorType Signed-off-by: luyuncheng <[email protected]> * UpdatedFilterIdsSelector as Byte.SIZE Signed-off-by: luyuncheng <[email protected]> * UpdatedFilterIdsSelector For comments Signed-off-by: luyuncheng <[email protected]> --------- Signed-off-by: luyuncheng <[email protected]> * Increment 2.12.0-SNAPSHOT to 2.13.0-SNAPSHOT in BWC workflow (#1505) Signed-off-by: Varun Jain <[email protected]> --------- Signed-off-by: luyuncheng <[email protected]> Signed-off-by: Varun Jain <[email protected]> Co-authored-by: luyuncheng <[email protected]> Co-authored-by: Varun Jain <[email protected]>
opensearch-project · Mar 6, 2024 · 63fefd8 · 63fefd8
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diff --git a/.github/workflows/backwards_compatibility_tests_workflow.yml b/.github/workflows/backwards_compatibility_tests_workflow.yml
@@ -15,7 +15,7 @@ jobs:
       matrix:
         java: [ 11, 17 ]
         os: [ubuntu-latest]
-        bwc_version : [ "2.0.1", "2.1.0", "2.2.1", "2.3.0", "2.4.1", "2.5.0", "2.6.0", "2.7.0", "2.8.0", "2.9.0", "2.10.0", "2.11.0", "2.12.0-SNAPSHOT"]
+        bwc_version : [ "2.0.1", "2.1.0", "2.2.1", "2.3.0", "2.4.1", "2.5.0", "2.6.0", "2.7.0", "2.8.0", "2.9.0", "2.10.0", "2.11.0", "2.12.0", "2.13.0-SNAPSHOT"]
         opensearch_version : [ "3.0.0-SNAPSHOT" ]
         exclude:
           - os: windows-latest
@@ -88,7 +88,7 @@ jobs:
       matrix:
         java: [ 11, 17 ]
         os: [ubuntu-latest]
-        bwc_version: [ "2.12.0-SNAPSHOT" ]
+        bwc_version: [ "2.13.0-SNAPSHOT" ]
         opensearch_version: [ "3.0.0-SNAPSHOT" ]
 
     name: k-NN Rolling-Upgrade BWC Tests

diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -15,6 +15,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ## [Unreleased 2.x](https://github.com/opensearch-project/k-NN/compare/2.12...2.x)
 ### Features
 ### Enhancements
+* Optize Faiss Query With Filters: Reduce iteration and memory for id filter [#1402](https://github.com/opensearch-project/k-NN/pull/1402)
 ### Bug Fixes
 ### Infrastructure
 ### Documentation

diff --git a/jni/include/faiss_wrapper.h b/jni/include/faiss_wrapper.h
@@ -43,7 +43,8 @@ namespace knn_jni {
         //
         // Return an array of KNNQueryResults
         jobjectArray QueryIndex_WithFilter(knn_jni::JNIUtilInterface * jniUtil, JNIEnv * env, jlong indexPointerJ,
-                                                                jfloatArray queryVectorJ, jint kJ, jintArray filterIdsJ, jintArray parentIdsJ);
+                                                                jfloatArray queryVectorJ, jint kJ, jlongArray filterIdsJ,
+                                                                jint filterIdsTypeJ, jintArray parentIdsJ);
 
         // Free the index located in memory at indexPointerJ
         void Free(jlong indexPointer);

diff --git a/jni/include/jni_util.h b/jni/include/jni_util.h
@@ -80,6 +80,8 @@ namespace knn_jni {
 
         virtual int GetJavaIntArrayLength(JNIEnv *env, jintArray arrayJ) = 0;
 
+        virtual int GetJavaLongArrayLength(JNIEnv *env, jlongArray arrayJ) = 0;
+
         virtual int GetJavaBytesArrayLength(JNIEnv *env, jbyteArray arrayJ) = 0;
 
         virtual int GetJavaFloatArrayLength(JNIEnv *env, jfloatArray arrayJ) = 0;
@@ -94,6 +96,8 @@ namespace knn_jni {
 
         virtual jint * GetIntArrayElements(JNIEnv *env, jintArray array, jboolean * isCopy) = 0;
 
+        virtual jlong * GetLongArrayElements(JNIEnv *env, jlongArray array, jboolean * isCopy) = 0;
+
         virtual jobject GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index) = 0;
 
         virtual jobject NewObject(JNIEnv *env, jclass clazz, jmethodID methodId, int id, float distance) = 0;
@@ -108,6 +112,8 @@ namespace knn_jni {
 
         virtual void ReleaseIntArrayElements(JNIEnv *env, jintArray array, jint *elems, jint mode) = 0;
 
+        virtual void ReleaseLongArrayElements(JNIEnv *env, jlongArray array, jlong *elems, jint mode) = 0;
+
         virtual void SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject val) = 0;
 
         virtual void SetByteArrayRegion(JNIEnv *env, jbyteArray array, jsize start, jsize len, const jbyte * buf) = 0;
@@ -139,20 +145,23 @@ namespace knn_jni {
         int GetInnerDimensionOf2dJavaFloatArray(JNIEnv *env, jobjectArray array2dJ);
         int GetJavaObjectArrayLength(JNIEnv *env, jobjectArray arrayJ);
         int GetJavaIntArrayLength(JNIEnv *env, jintArray arrayJ);
+        int GetJavaLongArrayLength(JNIEnv *env, jlongArray arrayJ);
         int GetJavaBytesArrayLength(JNIEnv *env, jbyteArray arrayJ);
         int GetJavaFloatArrayLength(JNIEnv *env, jfloatArray arrayJ);
 
         void DeleteLocalRef(JNIEnv *env, jobject obj);
         jbyte * GetByteArrayElements(JNIEnv *env, jbyteArray array, jboolean * isCopy);
         jfloat * GetFloatArrayElements(JNIEnv *env, jfloatArray array, jboolean * isCopy);
         jint * GetIntArrayElements(JNIEnv *env, jintArray array, jboolean * isCopy);
+        jlong * GetLongArrayElements(JNIEnv *env, jlongArray array, jboolean * isCopy);
         jobject GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index);
         jobject NewObject(JNIEnv *env, jclass clazz, jmethodID methodId, int id, float distance);
         jobjectArray NewObjectArray(JNIEnv *env, jsize len, jclass clazz, jobject init);
         jbyteArray NewByteArray(JNIEnv *env, jsize len);
         void ReleaseByteArrayElements(JNIEnv *env, jbyteArray array, jbyte *elems, int mode);
         void ReleaseFloatArrayElements(JNIEnv *env, jfloatArray array, jfloat *elems, int mode);
         void ReleaseIntArrayElements(JNIEnv *env, jintArray array, jint *elems, jint mode);
+        void ReleaseLongArrayElements(JNIEnv *env, jlongArray array, jlong *elems, jint mode);
         void SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject val);
         void SetByteArrayRegion(JNIEnv *env, jbyteArray array, jsize start, jsize len, const jbyte * buf);
 

diff --git a/jni/include/org_opensearch_knn_jni_FaissService.h b/jni/include/org_opensearch_knn_jni_FaissService.h
@@ -56,7 +56,7 @@ JNIEXPORT jobjectArray JNICALL Java_org_opensearch_knn_jni_FaissService_queryInd
  * Signature: (J[FI[J)[Lorg/opensearch/knn/index/query/KNNQueryResult;
  */
 JNIEXPORT jobjectArray JNICALL Java_org_opensearch_knn_jni_FaissService_queryIndexWithFilter
-  (JNIEnv *, jclass, jlong, jfloatArray, jint, jintArray, jintArray);
+  (JNIEnv *, jclass, jlong, jfloatArray, jint, jlongArray, jint, jintArray);
 
 /*
  * Class:     org_opensearch_knn_jni_FaissService

diff --git a/jni/src/faiss_wrapper.cpp b/jni/src/faiss_wrapper.cpp
@@ -29,9 +29,32 @@
 
 // Defines type of IDSelector
 enum FilterIdsSelectorType{
-    BITMAP, BATCH
+    BITMAP = 0, BATCH = 1,
 };
+namespace faiss {
 
+// Using jlong to do Bitmap selector, jlong[] equals to lucene FixedBitSet#bits
+struct IDSelectorJlongBitmap : IDSelector {
+    size_t n;
+    const jlong* bitmap;
+
+    /** Construct with a binary mask like Lucene FixedBitSet
+     *
+     * @param n size of the bitmap array
+     * @param bitmap id like Lucene FixedBitSet bits
+     */
+    IDSelectorJlongBitmap(size_t n, const jlong* bitmap) : n(n), bitmap(bitmap) {};
+    bool is_member(idx_t id) const final {
+        uint64_t index = id;
+        uint64_t i = index >> 6;  // div 64
+        if (i >= n ) {
+            return false;
+        }
+        return (bitmap[i] >> ( index & 63)) & 1L;
+    }
+    ~IDSelectorJlongBitmap() override {}
+};
+}
 // Translate space type to faiss metric
 faiss::MetricType TranslateSpaceToMetric(const std::string& spaceType);
 
@@ -42,9 +65,6 @@ void SetExtraParameters(knn_jni::JNIUtilInterface * jniUtil, JNIEnv *env,
 // Train an index with data provided
 void InternalTrainIndex(faiss::Index * index, faiss::idx_t n, const float* x);
 
-// Helps to choose the right FilterIdsSelectorType for Faiss
-FilterIdsSelectorType getIdSelectorType(const int* filterIds, int filterIdsLength);
-
 // Converts the int FilterIds to Faiss ids type array.
 void convertFilterIdsToFaissIdType(const int* filterIds, int filterIdsLength, faiss::idx_t* convertedFilterIds);
 
@@ -199,11 +219,12 @@ jlong knn_jni::faiss_wrapper::LoadIndex(knn_jni::JNIUtilInterface * jniUtil, JNI
 
 jobjectArray knn_jni::faiss_wrapper::QueryIndex(knn_jni::JNIUtilInterface * jniUtil, JNIEnv * env, jlong indexPointerJ,
                                                 jfloatArray queryVectorJ, jint kJ, jintArray parentIdsJ) {
-    return knn_jni::faiss_wrapper::QueryIndex_WithFilter(jniUtil, env, indexPointerJ, queryVectorJ, kJ, nullptr, parentIdsJ);
+    return knn_jni::faiss_wrapper::QueryIndex_WithFilter(jniUtil, env, indexPointerJ, queryVectorJ, kJ, nullptr, 0, parentIdsJ);
 }
 
 jobjectArray knn_jni::faiss_wrapper::QueryIndex_WithFilter(knn_jni::JNIUtilInterface * jniUtil, JNIEnv * env, jlong indexPointerJ,
-                                                jfloatArray queryVectorJ, jint kJ, jintArray filterIdsJ, jintArray parentIdsJ) {
+                                                jfloatArray queryVectorJ, jint kJ, jlongArray filterIdsJ, jint filterIdsTypeJ, jintArray parentIdsJ) {
+
     if (queryVectorJ == nullptr) {
         throw std::runtime_error("Query Vector cannot be null");
     }
@@ -225,28 +246,14 @@ jobjectArray knn_jni::faiss_wrapper::QueryIndex_WithFilter(knn_jni::JNIUtilInter
     omp_set_num_threads(1);
     // create the filterSearch params if the filterIdsJ is not a null pointer
     if(filterIdsJ != nullptr) {
-        int *filteredIdsArray = jniUtil->GetIntArrayElements(env, filterIdsJ, nullptr);
-        int filterIdsLength = jniUtil->GetJavaIntArrayLength(env, filterIdsJ);
+        jlong *filteredIdsArray = jniUtil->GetLongArrayElements(env, filterIdsJ, nullptr);
+        int filterIdsLength = jniUtil->GetJavaLongArrayLength(env, filterIdsJ);
         std::unique_ptr<faiss::IDSelector> idSelector;
-        FilterIdsSelectorType idSelectorType = getIdSelectorType(filteredIdsArray, filterIdsLength);
-        // start with empty vectors for 2 different types of empty Selectors. We need define them here to avoid copying of data
-        // during the returns. We could have used pass by reference, but we choose pointers. Returning reference to local
-        // vector is also an option which can be efficient than copying during returns but it requires upto date C++ compilers.
-        // To avoid all those confusions, its better to work with pointers here. Ref: https://cplusplus.com/forum/general/56177/
-        std::vector<faiss::idx_t> convertedIds;
-        std::vector<uint8_t> bitmap;
-        // Choose a selector which suits best
-        if(idSelectorType == BATCH) {
-            convertedIds.resize(filterIdsLength);
-            convertFilterIdsToFaissIdType(filteredIdsArray, filterIdsLength, convertedIds.data());
-            idSelector.reset(new faiss::IDSelectorBatch(convertedIds.size(), convertedIds.data()));
+        if(filterIdsTypeJ == BITMAP) {
+            idSelector.reset(new faiss::IDSelectorJlongBitmap(filterIdsLength, filteredIdsArray));
         } else {
-            int maxIdValue = filteredIdsArray[filterIdsLength - 1];
-            // >> 3 is equivalent to value / 8
-            const int bitsetArraySize = (maxIdValue >> 3) + 1;
-            bitmap.resize(bitsetArraySize, 0);
-            buildFilterIdsBitMap(filteredIdsArray, filterIdsLength, bitmap.data());
-            idSelector.reset(new faiss::IDSelectorBitmap(bitsetArraySize, bitmap.data()));
+            faiss::idx_t* batchIndices = reinterpret_cast<faiss::idx_t*>(filteredIdsArray);
+            idSelector.reset(new faiss::IDSelectorBatch(filterIdsLength, batchIndices));
         }
         faiss::SearchParameters *searchParameters;
         faiss::SearchParametersHNSW hnswParams;
@@ -276,10 +283,10 @@ jobjectArray knn_jni::faiss_wrapper::QueryIndex_WithFilter(knn_jni::JNIUtilInter
             indexReader->search(1, rawQueryvector, kJ, dis.data(), ids.data(), searchParameters);
         } catch (...) {
             jniUtil->ReleaseFloatArrayElements(env, queryVectorJ, rawQueryvector, JNI_ABORT);
-            jniUtil->ReleaseIntArrayElements(env, filterIdsJ, filteredIdsArray, JNI_ABORT);
+            jniUtil->ReleaseLongArrayElements(env, filterIdsJ, filteredIdsArray, JNI_ABORT);
             throw;
         }
-        jniUtil->ReleaseIntArrayElements(env, filterIdsJ, filteredIdsArray, JNI_ABORT);
+        jniUtil->ReleaseLongArrayElements(env, filterIdsJ, filteredIdsArray, JNI_ABORT);
     } else {
         faiss::SearchParameters *searchParameters = nullptr;
         faiss::SearchParametersHNSW hnswParams;
@@ -454,63 +461,6 @@ void InternalTrainIndex(faiss::Index * index, faiss::idx_t n, const float* x) {
     }
 }
 
-/**
- * This function takes a call on what ID Selector to use:
- * https://github.com/facebookresearch/faiss/wiki/Setting-search-parameters-for-one-query#idselectorarray-idselectorbatch-and-idselectorbitmap
- *
- * class	       storage	lookup     construction(Opensearch + Faiss)
- * IDSelectorArray	O(k)	O(k)          O(2k)
- * IDSelectorBatch	O(k)	O(1)          O(2k)
- * IDSelectorBitmap	O(n/8)	O(1)          O(k) -> n is the max value of id in the index
- *
- * TODO: We need to ideally decide when we can take another hit of K iterations in latency. Some facts:
- * an OpenSearch Index can have max segment size as 5GB which, which on a vector with dimension of 128 boils down to
- * 7.5M vectors.
- * Ref: https://opensearch.org/docs/latest/search-plugins/knn/knn-index/#hnsw-memory-estimation
- * M = 16
- * Dimension = 128
- * (1.1 * ( 4 * 128 + 8 * 16) * 7500000)/(1024*1024*1024) ~ 4.9GB
- * Ids are sequential in a Segment which means for IDSelectorBitmap total size if the max ID has value of 7.5M will be
- * 7500000/(8*1024) = 915KBs in worst case. But with larger dimensions this worst case value will decrease.
- *
- * With 915KB how many ids can be represented as an array of 64-bit longs : 117,120 ids
- * So iterating on 117k ids for 1 single pass is also time consuming. So, we are currently concluding to consider only size
- * as factor. We need to improve on this.
- *
- * TODO: Best way is to implement a SparseBitSet in C++. This can be done by extending the IDSelector Interface of Faiss.
- *
- * @param filterIds
- * @param filterIdsLength
- * @return std::string
- */
-FilterIdsSelectorType getIdSelectorType(const int* filterIds, int filterIdsLength) {
-    int maxIdValue = filterIds[filterIdsLength - 1];
-    if(filterIdsLength * sizeof(faiss::idx_t) * 8 <= maxIdValue ) {
-        return BATCH;
-    }
-    return BITMAP;
-}
-
-void convertFilterIdsToFaissIdType(const int* filterIds, int filterIdsLength, faiss::idx_t* convertedFilterIds) {
-    for (int i = 0; i < filterIdsLength; i++) {
-        convertedFilterIds[i] = filterIds[i];
-    }
-}
-
-void buildFilterIdsBitMap(const int* filterIds, int filterIdsLength, uint8_t* bitsetVector) {
-    /**
-     * Coming from Faiss IDSelectorBitmap::is_member function bitmap id will be selected
-     * iff id / 8 < n and bit number (i%8) of bitmap[floor(i / 8)] is 1.
-     */
-    for(int i = 0 ; i < filterIdsLength ; i ++) {
-        int value = filterIds[i];
-        // / , % are expensive operation. Hence, using BitShift operation as they are fast.
-        int bitsetArrayIndex = value >> 3 ; // is equivalent to value / 8
-        // (value & 7) equivalent to value % 8
-        bitsetVector[bitsetArrayIndex] = bitsetVector[bitsetArrayIndex] |  (1 << (value & 7));
-    }
-}
-
 std::unique_ptr<faiss::IDGrouperBitmap> buildIDGrouperBitmap(knn_jni::JNIUtilInterface * jniUtil, JNIEnv *env, jintArray parentIdsJ, std::vector<uint64_t>* bitmap) {
     int *parentIdsArray = jniUtil->GetIntArrayElements(env, parentIdsJ, nullptr);
     int parentIdsLength = jniUtil->GetJavaIntArrayLength(env, parentIdsJ);

diff --git a/jni/src/jni_util.cpp b/jni/src/jni_util.cpp
@@ -319,6 +319,17 @@ int knn_jni::JNIUtil::GetJavaIntArrayLength(JNIEnv *env, jintArray arrayJ) {
     return length;
 }
 
+int knn_jni::JNIUtil::GetJavaLongArrayLength(JNIEnv *env, jlongArray arrayJ) {
+
+    if (arrayJ == nullptr) {
+        throw std::runtime_error("Array cannot be null");
+    }
+
+    int length = env->GetArrayLength(arrayJ);
+    this->HasExceptionInStack(env, "Unable to get array length");
+    return length;
+}
+
 int knn_jni::JNIUtil::GetJavaBytesArrayLength(JNIEnv *env, jbyteArray arrayJ) {
 
     if (arrayJ == nullptr) {
@@ -376,6 +387,17 @@ jint * knn_jni::JNIUtil::GetIntArrayElements(JNIEnv *env, jintArray array, jbool
     return intArray;
 }
 
+jlong * knn_jni::JNIUtil::GetLongArrayElements(JNIEnv *env, jlongArray array, jboolean * isCopy) {
+    // Lets check for error here
+    jlong * longArray =  env->GetLongArrayElements(array, isCopy);
+    if (longArray == nullptr) {
+        this->HasExceptionInStack(env, "Unable to get long array");
+        throw std::runtime_error("Unable to get long array");
+    }
+
+    return longArray;
+}
+
 jobject knn_jni::JNIUtil::GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index) {
     jobject object = env->GetObjectArrayElement(array, index);
     this->HasExceptionInStack(env, "Unable to get object");
@@ -424,6 +446,10 @@ void knn_jni::JNIUtil::ReleaseIntArrayElements(JNIEnv *env, jintArray array, jin
     env->ReleaseIntArrayElements(array, elems, mode);
 }
 
+void knn_jni::JNIUtil::ReleaseLongArrayElements(JNIEnv *env, jlongArray array, jlong *elems, jint mode) {
+    env->ReleaseLongArrayElements(array, elems, mode);
+}
+
 void knn_jni::JNIUtil::SetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index, jobject val) {
     env->SetObjectArrayElement(array, index, val);
     this->HasExceptionInStack(env, "Unable to set object array element");

diff --git a/jni/src/org_opensearch_knn_jni_FaissService.cpp b/jni/src/org_opensearch_knn_jni_FaissService.cpp
@@ -89,10 +89,10 @@ JNIEXPORT jobjectArray JNICALL Java_org_opensearch_knn_jni_FaissService_queryInd
 }
 
 JNIEXPORT jobjectArray JNICALL Java_org_opensearch_knn_jni_FaissService_queryIndexWithFilter
-  (JNIEnv * env, jclass cls, jlong indexPointerJ, jfloatArray queryVectorJ, jint kJ, jintArray filteredIdsJ, jintArray parentIdsJ) {
+  (JNIEnv * env, jclass cls, jlong indexPointerJ, jfloatArray queryVectorJ, jint kJ, jlongArray filteredIdsJ, jint filterIdsTypeJ,  jintArray parentIdsJ) {
 
       try {
-          return knn_jni::faiss_wrapper::QueryIndex_WithFilter(&jniUtil, env, indexPointerJ, queryVectorJ, kJ, filteredIdsJ, parentIdsJ);
+          return knn_jni::faiss_wrapper::QueryIndex_WithFilter(&jniUtil, env, indexPointerJ, queryVectorJ, kJ, filteredIdsJ, filterIdsTypeJ, parentIdsJ);
       } catch (...) {
           jniUtil.CatchCppExceptionAndThrowJava(env);
       }

diff --git a/jni/tests/faiss_wrapper_test.cpp b/jni/tests/faiss_wrapper_test.cpp
@@ -251,9 +251,13 @@ TEST(FaissQueryIndexWithFilterTest1435, BasicAssertions) {
         queries.push_back(query);
     }
 
-    std::vector<int> filterIds;
+    int num_bits = test_util::bits2words(164);
+    std::vector<jlong> bitmap(num_bits,0);
+    std::vector<int64_t> filterIds;
+
     for (int64_t i = 154; i < 163; i++) {
         filterIds.push_back(i);
+        test_util::setBitSet(i, bitmap.data(), bitmap.size());
     }
     std::unordered_set<int> filterIdSet(filterIds.begin(), filterIds.end());
 
@@ -270,9 +274,9 @@ TEST(FaissQueryIndexWithFilterTest1435, BasicAssertions) {
     JNIEnv *jniEnv = nullptr;
     NiceMock<test_util::MockJNIUtil> mockJNIUtil;
     EXPECT_CALL(mockJNIUtil,
-                GetJavaIntArrayLength(
-                        jniEnv, reinterpret_cast<jintArray>(&filterIds)))
-            .WillRepeatedly(Return(filterIds.size()));
+                GetJavaLongArrayLength(
+                        jniEnv, reinterpret_cast<jlongArray>(&bitmap)))
+            .WillRepeatedly(Return(bitmap.size()));
 
     int k = 20;
     for (auto query : queries) {
@@ -282,7 +286,7 @@ TEST(FaissQueryIndexWithFilterTest1435, BasicAssertions) {
                                 &mockJNIUtil, jniEnv,
                                 reinterpret_cast<jlong>(&createdIndexWithData),
                                 reinterpret_cast<jfloatArray>(&query), k,
-                                reinterpret_cast<jintArray>(&filterIds), nullptr)));
+                                reinterpret_cast<jlongArray>(&bitmap), 0, nullptr)));
 
         ASSERT_TRUE(results->size() <= filterIds.size());
         ASSERT_TRUE(results->size() > 0);