diff --git a/db/import_column_family_job.cc b/db/import_column_family_job.cc
index 12498b9e85..0832ff571a 100644
--- a/db/import_column_family_job.cc
+++ b/db/import_column_family_job.cc
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 #ifndef ROCKSDB_LITE
 
 #include "db/import_column_family_job.h"
diff --git a/db/import_column_family_job.h b/db/import_column_family_job.h
index 59e85c7343..57c49c67ff 100644
--- a/db/import_column_family_job.h
+++ b/db/import_column_family_job.h
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 #pragma once
 #include <string>
 #include <unordered_set>
diff --git a/db/import_column_family_test.cc b/db/import_column_family_test.cc
index c78ecfad6b..2847ea8da4 100644
--- a/db/import_column_family_test.cc
+++ b/db/import_column_family_test.cc
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 #ifndef ROCKSDB_LITE
 
 #include <functional>
diff --git a/db/table_cache_sync_and_async.h b/db/table_cache_sync_and_async.h
index a89ec739ac..4b3ec6c77b 100644
--- a/db/table_cache_sync_and_async.h
+++ b/db/table_cache_sync_and_async.h
@@ -1,4 +1,5 @@
-//  Copyright (c) Meta Platforms, Inc. and its affiliates. All Rights Reserved.
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
 //  (found in the LICENSE.Apache file in the root directory).
diff --git a/fuzz/db_fuzzer.cc b/fuzz/db_fuzzer.cc
index 383a95096d..e6d5bb63c0 100644
--- a/fuzz/db_fuzzer.cc
+++ b/fuzz/db_fuzzer.cc
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 #include <fuzzer/FuzzedDataProvider.h>
 
 #include "rocksdb/db.h"
diff --git a/fuzz/util.h b/fuzz/util.h
index 44ffaf536e..97011823a3 100644
--- a/fuzz/util.h
+++ b/fuzz/util.h
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 #pragma once
 
 #define CHECK_OK(expression)                       \
diff --git a/java/rocksjni/concurrent_task_limiter.cc b/java/rocksjni/concurrent_task_limiter.cc
index d88a323017..0b0b2d2717 100644
--- a/java/rocksjni/concurrent_task_limiter.cc
+++ b/java/rocksjni/concurrent_task_limiter.cc
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 #include "rocksdb/concurrent_task_limiter.h"
 
 #include <jni.h>
diff --git a/java/src/main/java/org/rocksdb/ByteBufferGetStatus.java b/java/src/main/java/org/rocksdb/ByteBufferGetStatus.java
index b836480af0..8eef954478 100644
--- a/java/src/main/java/org/rocksdb/ByteBufferGetStatus.java
+++ b/java/src/main/java/org/rocksdb/ByteBufferGetStatus.java
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 package org.rocksdb;
 
 import java.nio.ByteBuffer;
diff --git a/java/src/main/java/org/rocksdb/ConcurrentTaskLimiter.java b/java/src/main/java/org/rocksdb/ConcurrentTaskLimiter.java
index 3504264e79..b4e34303b5 100644
--- a/java/src/main/java/org/rocksdb/ConcurrentTaskLimiter.java
+++ b/java/src/main/java/org/rocksdb/ConcurrentTaskLimiter.java
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 package org.rocksdb;
 
 public abstract class ConcurrentTaskLimiter extends RocksObject {
diff --git a/java/src/main/java/org/rocksdb/ConcurrentTaskLimiterImpl.java b/java/src/main/java/org/rocksdb/ConcurrentTaskLimiterImpl.java
index 0f6026dc2a..d28b9060a6 100644
--- a/java/src/main/java/org/rocksdb/ConcurrentTaskLimiterImpl.java
+++ b/java/src/main/java/org/rocksdb/ConcurrentTaskLimiterImpl.java
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 package org.rocksdb;
 
 public class ConcurrentTaskLimiterImpl extends ConcurrentTaskLimiter {
diff --git a/java/src/main/java/org/rocksdb/ConfigOptions.java b/java/src/main/java/org/rocksdb/ConfigOptions.java
index 83f65db5cf..4d93f0c992 100644
--- a/java/src/main/java/org/rocksdb/ConfigOptions.java
+++ b/java/src/main/java/org/rocksdb/ConfigOptions.java
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 package org.rocksdb;
 
 public class ConfigOptions extends RocksObject {
diff --git a/java/src/main/java/org/rocksdb/SanityLevel.java b/java/src/main/java/org/rocksdb/SanityLevel.java
index 645dbba417..30568c3633 100644
--- a/java/src/main/java/org/rocksdb/SanityLevel.java
+++ b/java/src/main/java/org/rocksdb/SanityLevel.java
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 package org.rocksdb;
 
 public enum SanityLevel {
diff --git a/java/src/main/java/org/rocksdb/util/ByteUtil.java b/java/src/main/java/org/rocksdb/util/ByteUtil.java
index 9014fcba0a..5d64d5dcf2 100644
--- a/java/src/main/java/org/rocksdb/util/ByteUtil.java
+++ b/java/src/main/java/org/rocksdb/util/ByteUtil.java
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 package org.rocksdb.util;
 
 import java.nio.ByteBuffer;
diff --git a/java/src/test/java/org/rocksdb/ConcurrentTaskLimiterTest.java b/java/src/test/java/org/rocksdb/ConcurrentTaskLimiterTest.java
index 9bbf1f1ede..165f4f24cc 100644
--- a/java/src/test/java/org/rocksdb/ConcurrentTaskLimiterTest.java
+++ b/java/src/test/java/org/rocksdb/ConcurrentTaskLimiterTest.java
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 package org.rocksdb;
 
 import static org.junit.Assert.assertEquals;
diff --git a/java/src/test/java/org/rocksdb/util/ByteBufferAllocator.java b/java/src/test/java/org/rocksdb/util/ByteBufferAllocator.java
index e942444243..8d7956cf27 100644
--- a/java/src/test/java/org/rocksdb/util/ByteBufferAllocator.java
+++ b/java/src/test/java/org/rocksdb/util/ByteBufferAllocator.java
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 package org.rocksdb.util;
 
 import java.nio.ByteBuffer;
diff --git a/java/src/test/java/org/rocksdb/util/DirectByteBufferAllocator.java b/java/src/test/java/org/rocksdb/util/DirectByteBufferAllocator.java
index 13955e73d1..d26fb578b9 100644
--- a/java/src/test/java/org/rocksdb/util/DirectByteBufferAllocator.java
+++ b/java/src/test/java/org/rocksdb/util/DirectByteBufferAllocator.java
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 package org.rocksdb.util;
 
 import java.nio.ByteBuffer;
diff --git a/java/src/test/java/org/rocksdb/util/HeapByteBufferAllocator.java b/java/src/test/java/org/rocksdb/util/HeapByteBufferAllocator.java
index 7dc2ded6d0..ad6b8f6f4b 100644
--- a/java/src/test/java/org/rocksdb/util/HeapByteBufferAllocator.java
+++ b/java/src/test/java/org/rocksdb/util/HeapByteBufferAllocator.java
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 package org.rocksdb.util;
 
 import java.nio.ByteBuffer;
diff --git a/java/src/test/java/org/rocksdb/util/JNIComparatorTest.java b/java/src/test/java/org/rocksdb/util/JNIComparatorTest.java
index 6ffa2785f5..a962b8d785 100644
--- a/java/src/test/java/org/rocksdb/util/JNIComparatorTest.java
+++ b/java/src/test/java/org/rocksdb/util/JNIComparatorTest.java
@@ -1,3 +1,9 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
 package org.rocksdb.util;
 
 import org.junit.ClassRule;
diff --git a/table/block_based/block_based_table_reader_sync_and_async.h b/table/block_based/block_based_table_reader_sync_and_async.h
index 728efc55a3..4a035aeae5 100644
--- a/table/block_based/block_based_table_reader_sync_and_async.h
+++ b/table/block_based/block_based_table_reader_sync_and_async.h
@@ -1,4 +1,5 @@
-//  Copyright (c) Meta Platforms, Inc. and its affiliates. All Rights Reserved.
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
 //  (found in the LICENSE.Apache file in the root directory).
diff --git a/tools/block_cache_analyzer/block_cache_trace_analyzer_plot.py b/tools/block_cache_analyzer/block_cache_trace_analyzer_plot.py
index 0fdaa41586..aa6008ab94 100644
--- a/tools/block_cache_analyzer/block_cache_trace_analyzer_plot.py
+++ b/tools/block_cache_analyzer/block_cache_trace_analyzer_plot.py
@@ -1,4 +1,11 @@
+#  Copyright (c) Meta Platforms, Inc. and affiliates.
+#
+#  This source code is licensed under both the GPLv2 (found in the
+#  COPYING file in the root directory) and Apache 2.0 License
+#  (found in the LICENSE.Apache file in the root directory).
+
 #!/usr/bin/env python3
+
 import csv
 import math
 import os
diff --git a/util/async_file_reader.cc b/util/async_file_reader.cc
index 83f6afc6e6..8401a6b44c 100644
--- a/util/async_file_reader.cc
+++ b/util/async_file_reader.cc
@@ -1,4 +1,5 @@
-//  Copyright (c) Meta Platforms, Inc. and its affiliates. All Rights Reserved.
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
 //  (found in the LICENSE.Apache file in the root directory).
diff --git a/util/async_file_reader.h b/util/async_file_reader.h
index 7ee72954c0..df69a840eb 100644
--- a/util/async_file_reader.h
+++ b/util/async_file_reader.h
@@ -1,8 +1,8 @@
-//  Copyright (c) Meta Platforms, Inc. and its affiliates. All Rights Reserved.
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
-//  (found in the LICENSE.Apache file in the root directory).
-//
+//  (found in the LICENSE.Apache file in the root directory).#pragma once
 #pragma once
 
 #if USE_COROUTINES
diff --git a/util/coro_utils.h b/util/coro_utils.h
index 38d278000b..5b4211135e 100644
--- a/util/coro_utils.h
+++ b/util/coro_utils.h
@@ -1,4 +1,5 @@
-//  Copyright (c) Meta Platforms, Inc. and its affiliates. All Rights Reserved.
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
 //  (found in the LICENSE.Apache file in the root directory).
diff --git a/util/single_thread_executor.h b/util/single_thread_executor.h
index b82ddda2bf..c69f2a2921 100644
--- a/util/single_thread_executor.h
+++ b/util/single_thread_executor.h
@@ -1,4 +1,5 @@
-//  Copyright (c) Meta Platforms, Inc. and its affiliates. All Rights Reserved.
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
 //  (found in the LICENSE.Apache file in the root directory).
diff --git a/utilities/transactions/lock/point/point_lock_manager_test.h b/utilities/transactions/lock/point/point_lock_manager_test.h
index 50b268ab16..ca9f46bf9d 100644
--- a/utilities/transactions/lock/point/point_lock_manager_test.h
+++ b/utilities/transactions/lock/point/point_lock_manager_test.h
@@ -1,3 +1,8 @@
+//  Copyright (c) Meta Platforms, Inc. and affiliates.
+//
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
 
 #include "file/file_util.h"
 #include "port/port.h"