diff --git a/buckifier/buckify_rocksdb.py b/buckifier/buckify_rocksdb.py
index 96903af682..a5d71b65d4 100644
--- a/buckifier/buckify_rocksdb.py
+++ b/buckifier/buckify_rocksdb.py
@@ -1,3 +1,4 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
@@ -81,7 +82,7 @@ def get_tests(repo_path):
             else:
                 # we consumed all the parallel tests
                 break
-    
+
     return tests
 
 
diff --git a/buckifier/rocks_test_runner.sh b/buckifier/rocks_test_runner.sh
index baca6c2e40..77f8f23c56 100755
--- a/buckifier/rocks_test_runner.sh
+++ b/buckifier/rocks_test_runner.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # Create a tmp directory for the test to use
 TEST_DIR=$(mktemp -d /dev/shm/fbcode_rocksdb_XXXXXXX)
 # shellcheck disable=SC2068
diff --git a/buckifier/targets_builder.py b/buckifier/targets_builder.py
index 3d5822d3cb..493cd8a8a8 100644
--- a/buckifier/targets_builder.py
+++ b/buckifier/targets_builder.py
@@ -1,3 +1,4 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
diff --git a/buckifier/targets_cfg.py b/buckifier/targets_cfg.py
index f881588c59..730b5ebf9d 100644
--- a/buckifier/targets_cfg.py
+++ b/buckifier/targets_cfg.py
@@ -1,3 +1,4 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 from __future__ import absolute_import
 from __future__ import division
 from __future__ import print_function
diff --git a/buckifier/util.py b/buckifier/util.py
index 350b7335c3..2eda69f107 100644
--- a/buckifier/util.py
+++ b/buckifier/util.py
@@ -1,3 +1,4 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 """
 This module keeps commonly used components.
 """
diff --git a/build_tools/amalgamate.py b/build_tools/amalgamate.py
index 548b1e8cec..c5cbb3f0f5 100755
--- a/build_tools/amalgamate.py
+++ b/build_tools/amalgamate.py
@@ -1,4 +1,5 @@
 #!/usr/bin/python
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 
 # amalgamate.py creates an amalgamation from a unity build.
 # It can be run with either Python 2 or 3.
diff --git a/build_tools/dependencies.sh b/build_tools/dependencies.sh
index 868e0bbddf..c6e074b646 100644
--- a/build_tools/dependencies.sh
+++ b/build_tools/dependencies.sh
@@ -1,3 +1,4 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 GCC_BASE=/mnt/gvfs/third-party2/gcc/112ec378fec7002ad3e09afde022e656049f7191/5.x/centos7-native/c447969
 CLANG_BASE=/mnt/gvfs/third-party2/llvm-fb/04999bdb3ce81a11073535dcb00b5e13dc1cbaf5/stable/centos7-native/c9f9104
 LIBGCC_BASE=/mnt/gvfs/third-party2/libgcc/92b0c8e5c8eecc71eb042594ce1ab3413799b385/5.x/gcc-5-glibc-2.23/339d858
diff --git a/build_tools/dependencies_4.8.1.sh b/build_tools/dependencies_4.8.1.sh
index bd02165d8a..5c8f7e4f87 100644
--- a/build_tools/dependencies_4.8.1.sh
+++ b/build_tools/dependencies_4.8.1.sh
@@ -1,4 +1,5 @@
 # shellcheck disable=SC2148
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 GCC_BASE=/mnt/gvfs/third-party2/gcc/cf7d14c625ce30bae1a4661c2319c5a283e4dd22/4.8.1/centos6-native/cc6c9dc
 CLANG_BASE=/mnt/gvfs/third-party2/llvm-fb/8598c375b0e94e1448182eb3df034704144a838d/stable/centos6-native/3f16ddd
 LIBGCC_BASE=/mnt/gvfs/third-party2/libgcc/d6e0a7da6faba45f5e5b1638f9edd7afc2f34e7d/4.8.1/gcc-4.8.1-glibc-2.17/8aac7fc
diff --git a/build_tools/dependencies_platform007.sh b/build_tools/dependencies_platform007.sh
index 44e9e58f8e..004bccb536 100644
--- a/build_tools/dependencies_platform007.sh
+++ b/build_tools/dependencies_platform007.sh
@@ -1,3 +1,4 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 GCC_BASE=/mnt/gvfs/third-party2/gcc/6e8e715624fd15256a7970073387793dfcf79b46/7.x/centos7-native/b2ef2b6
 CLANG_BASE=/mnt/gvfs/third-party2/llvm-fb/ef37e1faa1c29782abfac1ae65a291b9b7966f6d/stable/centos7-native/c9f9104
 LIBGCC_BASE=/mnt/gvfs/third-party2/libgcc/c67031f0f739ac61575a061518d6ef5038f99f90/7.x/platform007/5620abc
diff --git a/build_tools/dockerbuild.sh b/build_tools/dockerbuild.sh
index 02f6094428..c0caede4a3 100755
--- a/build_tools/dockerbuild.sh
+++ b/build_tools/dockerbuild.sh
@@ -1,2 +1,3 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 docker run -v $PWD:/rocks -w /rocks buildpack-deps make
diff --git a/build_tools/fb_compile_mongo.sh b/build_tools/fb_compile_mongo.sh
index c087f81611..ec733cdf1f 100755
--- a/build_tools/fb_compile_mongo.sh
+++ b/build_tools/fb_compile_mongo.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # fail early
 set -e
 
diff --git a/build_tools/fbcode_config.sh b/build_tools/fbcode_config.sh
index f46a580bde..4415f87da3 100644
--- a/build_tools/fbcode_config.sh
+++ b/build_tools/fbcode_config.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #
 # Set environment variables so that we can compile rocksdb using
 # fbcode settings.  It uses the latest g++ and clang compilers and also
diff --git a/build_tools/fbcode_config4.8.1.sh b/build_tools/fbcode_config4.8.1.sh
index c40c10131a..80fbdf431b 100644
--- a/build_tools/fbcode_config4.8.1.sh
+++ b/build_tools/fbcode_config4.8.1.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #
 # Set environment variables so that we can compile rocksdb using
 # fbcode settings.  It uses the latest g++ compiler and also
diff --git a/build_tools/fbcode_config_platform007.sh b/build_tools/fbcode_config_platform007.sh
index 67d156e4c9..1a1e420813 100644
--- a/build_tools/fbcode_config_platform007.sh
+++ b/build_tools/fbcode_config_platform007.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #
 # Set environment variables so that we can compile rocksdb using
 # fbcode settings.  It uses the latest g++ and clang compilers and also
diff --git a/build_tools/format-diff.sh b/build_tools/format-diff.sh
index 81221ed9a4..f8fbb64fba 100755
--- a/build_tools/format-diff.sh
+++ b/build_tools/format-diff.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # If clang_format_diff.py command is not specfied, we assume we are able to
 # access directly without any path.
 if [ -z $CLANG_FORMAT_DIFF ]
diff --git a/build_tools/make_package.sh b/build_tools/make_package.sh
index 0d86548e82..7b5c52cff2 100755
--- a/build_tools/make_package.sh
+++ b/build_tools/make_package.sh
@@ -1,5 +1,6 @@
 # shellcheck disable=SC1113
 #/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 
 set -e
 
diff --git a/build_tools/precommit_checker.py b/build_tools/precommit_checker.py
index 0f8884dfda..74f75aa034 100755
--- a/build_tools/precommit_checker.py
+++ b/build_tools/precommit_checker.py
@@ -1,4 +1,5 @@
 #!/usr/local/fbcode/gcc-4.9-glibc-2.20-fb/bin/python2.7
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 
 from __future__ import absolute_import
 from __future__ import division
diff --git a/build_tools/regression_build_test.sh b/build_tools/regression_build_test.sh
index 6980633287..bcf8907ccc 100755
--- a/build_tools/regression_build_test.sh
+++ b/build_tools/regression_build_test.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 
 set -e
 
diff --git a/build_tools/run_ci_db_test.ps1 b/build_tools/run_ci_db_test.ps1
index 0f8198b484..883d4e2a5c 100644
--- a/build_tools/run_ci_db_test.ps1
+++ b/build_tools/run_ci_db_test.ps1
@@ -1,3 +1,4 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # This script enables you running RocksDB tests by running
 # All the tests concurrently and utilizing all the cores
 Param(
diff --git a/build_tools/setup_centos7.sh b/build_tools/setup_centos7.sh
index c633131de8..060614dd14 100755
--- a/build_tools/setup_centos7.sh
+++ b/build_tools/setup_centos7.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 set -e
 
 ROCKSDB_VERSION="5.10.3"
diff --git a/build_tools/update_dependencies.sh b/build_tools/update_dependencies.sh
index b060544dfd..9af8c60d1d 100755
--- a/build_tools/update_dependencies.sh
+++ b/build_tools/update_dependencies.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #
 # Update dependencies.sh file with the latest avaliable versions
 
diff --git a/build_tools/version.sh b/build_tools/version.sh
index 4e3b9f20de..dbc1a92964 100755
--- a/build_tools/version.sh
+++ b/build_tools/version.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 if [ "$#" = "0" ]; then
   echo "Usage: $0 major|minor|patch|full"
   exit 1
diff --git a/coverage/coverage_test.sh b/coverage/coverage_test.sh
index 6d87ae9086..2f40ed61ac 100755
--- a/coverage/coverage_test.sh
+++ b/coverage/coverage_test.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 
 # Exit on error.
 set -e
diff --git a/coverage/parse_gcov_output.py b/coverage/parse_gcov_output.py
index 4c358610c4..fbdabd9683 100644
--- a/coverage/parse_gcov_output.py
+++ b/coverage/parse_gcov_output.py
@@ -1,3 +1,4 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 import re
 import sys
 
diff --git a/db/c_test.c b/db/c_test.c
index 39b8b1cfb0..e403ce5727 100644
--- a/db/c_test.c
+++ b/db/c_test.c
@@ -1,6 +1,7 @@
 /* Copyright (c) 2011 The LevelDB Authors. All rights reserved.
    Use of this source code is governed by a BSD-style license that can be
    found in the LICENSE file. See the AUTHORS file for names of contributors. */
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 
 #include <stdio.h>
 
diff --git a/db/internal_stats.cc b/db/internal_stats.cc
index 51e55f5839..57c7427e80 100644
--- a/db/internal_stats.cc
+++ b/db/internal_stats.cc
@@ -2,6 +2,8 @@
 //  COPYING file in the root directory) and Apache 2.0 License
 //  (found in the LICENSE.Apache file in the root directory).
 //
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+//
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/defs.bzl b/defs.bzl
index 4468cebdd2..f3e8339783 100644
--- a/defs.bzl
+++ b/defs.bzl
@@ -1,3 +1,5 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+
 load("@fbcode_macros//build_defs:cpp_binary.bzl", "cpp_binary")
 load("@fbcode_macros//build_defs:custom_unittest.bzl", "custom_unittest")
 
diff --git a/env/env_basic_test.cc b/env/env_basic_test.cc
index 3efae758a2..93764d945f 100644
--- a/env/env_basic_test.cc
+++ b/env/env_basic_test.cc
@@ -1,6 +1,8 @@
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
+//
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 
 #include <memory>
 #include <string>
diff --git a/env/mock_env_test.cc b/env/mock_env_test.cc
index 2daf682e76..97c49b5f51 100644
--- a/env/mock_env_test.cc
+++ b/env/mock_env_test.cc
@@ -1,6 +1,8 @@
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
+//
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 
 #include "env/mock_env.h"
 
diff --git a/hdfs/setup.sh b/hdfs/setup.sh
index ba76ec2090..2d5cda618f 100755
--- a/hdfs/setup.sh
+++ b/hdfs/setup.sh
@@ -1,4 +1,5 @@
 # shellcheck disable=SC2148
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 export USE_HDFS=1
 export LD_LIBRARY_PATH=$JAVA_HOME/jre/lib/amd64/server:$JAVA_HOME/jre/lib/amd64:$HADOOP_HOME/lib/native
 
diff --git a/include/rocksdb/listener.h b/include/rocksdb/listener.h
index d5ccf47e54..5be55cbede 100644
--- a/include/rocksdb/listener.h
+++ b/include/rocksdb/listener.h
@@ -1,6 +1,8 @@
 // Copyright (c) 2014 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
+//
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 
 #pragma once
 
diff --git a/include/rocksdb/table.h b/include/rocksdb/table.h
index 6c584375cc..b154a60a00 100644
--- a/include/rocksdb/table.h
+++ b/include/rocksdb/table.h
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/table_properties.h b/include/rocksdb/table_properties.h
index 06cdeef1e0..a3efe00a25 100644
--- a/include/rocksdb/table_properties.h
+++ b/include/rocksdb/table_properties.h
@@ -1,6 +1,7 @@
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #pragma once
 
 #include <stdint.h>
diff --git a/include/rocksdb/utilities/env_mirror.h b/include/rocksdb/utilities/env_mirror.h
index 6d513fc791..4b6b66e04f 100644
--- a/include/rocksdb/utilities/env_mirror.h
+++ b/include/rocksdb/utilities/env_mirror.h
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2015, Red Hat, Inc.  All rights reserved.
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
diff --git a/include/rocksdb/utilities/stackable_db.h b/include/rocksdb/utilities/stackable_db.h
index dd3e090168..6e98a48e59 100644
--- a/include/rocksdb/utilities/stackable_db.h
+++ b/include/rocksdb/utilities/stackable_db.h
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/include/rocksdb/utilities/utility_db.h b/include/rocksdb/utilities/utility_db.h
index 3008fee1a9..0646b8b3cf 100644
--- a/include/rocksdb/utilities/utility_db.h
+++ b/include/rocksdb/utilities/utility_db.h
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/java/crossbuild/build-linux-centos.sh b/java/crossbuild/build-linux-centos.sh
index c532398f66..a9b5e0a927 100755
--- a/java/crossbuild/build-linux-centos.sh
+++ b/java/crossbuild/build-linux-centos.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 
 set -e
 
diff --git a/java/crossbuild/build-linux.sh b/java/crossbuild/build-linux.sh
index 48d1c28d92..74178adb5d 100755
--- a/java/crossbuild/build-linux.sh
+++ b/java/crossbuild/build-linux.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # install all required packages for rocksdb
 sudo apt-get update
 sudo apt-get -y install git make gcc g++ libgflags-dev libsnappy-dev zlib1g-dev libbz2-dev default-jdk
diff --git a/java/crossbuild/docker-build-linux-centos.sh b/java/crossbuild/docker-build-linux-centos.sh
index d894b14a2e..aedcb8af78 100755
--- a/java/crossbuild/docker-build-linux-centos.sh
+++ b/java/crossbuild/docker-build-linux-centos.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 
 set -e
 #set -x
diff --git a/java/jdb_bench.sh b/java/jdb_bench.sh
index 0a07fa8e2f..5dfc385e3b 100755
--- a/java/jdb_bench.sh
+++ b/java/jdb_bench.sh
@@ -1,4 +1,5 @@
 # shellcheck disable=SC2148
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 PLATFORM=64
 if [ `getconf LONG_BIT` != "64" ]
 then
diff --git a/java/rocksjni/merge_operator.cc b/java/rocksjni/merge_operator.cc
index e06a06f7e3..636ab9f45a 100644
--- a/java/rocksjni/merge_operator.cc
+++ b/java/rocksjni/merge_operator.cc
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2014, Vlad Balan (vlad.gm@gmail.com).  All rights reserved.
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
diff --git a/java/src/main/java/org/rocksdb/AbstractMutableOptions.java b/java/src/main/java/org/rocksdb/AbstractMutableOptions.java
index 63015c39a9..4f843d87e4 100644
--- a/java/src/main/java/org/rocksdb/AbstractMutableOptions.java
+++ b/java/src/main/java/org/rocksdb/AbstractMutableOptions.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 import java.util.*;
diff --git a/java/src/main/java/org/rocksdb/AbstractTableFilter.java b/java/src/main/java/org/rocksdb/AbstractTableFilter.java
index 627e1ae1f7..c696c3e135 100644
--- a/java/src/main/java/org/rocksdb/AbstractTableFilter.java
+++ b/java/src/main/java/org/rocksdb/AbstractTableFilter.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 /**
diff --git a/java/src/main/java/org/rocksdb/CompactionStopStyle.java b/java/src/main/java/org/rocksdb/CompactionStopStyle.java
index 13cc873c36..f6e63209c1 100644
--- a/java/src/main/java/org/rocksdb/CompactionStopStyle.java
+++ b/java/src/main/java/org/rocksdb/CompactionStopStyle.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 /**
diff --git a/java/src/main/java/org/rocksdb/ComparatorOptions.java b/java/src/main/java/org/rocksdb/ComparatorOptions.java
index 3a05befa44..8ae87f788b 100644
--- a/java/src/main/java/org/rocksdb/ComparatorOptions.java
+++ b/java/src/main/java/org/rocksdb/ComparatorOptions.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 /**
diff --git a/java/src/main/java/org/rocksdb/HashLinkedListMemTableConfig.java b/java/src/main/java/org/rocksdb/HashLinkedListMemTableConfig.java
index d56c46c290..b943cd9963 100644
--- a/java/src/main/java/org/rocksdb/HashLinkedListMemTableConfig.java
+++ b/java/src/main/java/org/rocksdb/HashLinkedListMemTableConfig.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 /**
diff --git a/java/src/main/java/org/rocksdb/HashSkipListMemTableConfig.java b/java/src/main/java/org/rocksdb/HashSkipListMemTableConfig.java
index fe1779b1cf..efc78b14e6 100644
--- a/java/src/main/java/org/rocksdb/HashSkipListMemTableConfig.java
+++ b/java/src/main/java/org/rocksdb/HashSkipListMemTableConfig.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 /**
diff --git a/java/src/main/java/org/rocksdb/InfoLogLevel.java b/java/src/main/java/org/rocksdb/InfoLogLevel.java
index 2c97991b5b..0051ea39f5 100644
--- a/java/src/main/java/org/rocksdb/InfoLogLevel.java
+++ b/java/src/main/java/org/rocksdb/InfoLogLevel.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 /**
diff --git a/java/src/main/java/org/rocksdb/MergeOperator.java b/java/src/main/java/org/rocksdb/MergeOperator.java
index 296527f53f..c299f62210 100644
--- a/java/src/main/java/org/rocksdb/MergeOperator.java
+++ b/java/src/main/java/org/rocksdb/MergeOperator.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2014, Vlad Balan (vlad.gm@gmail.com).  All rights reserved.
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
diff --git a/java/src/main/java/org/rocksdb/MutableDBOptionsInterface.java b/java/src/main/java/org/rocksdb/MutableDBOptionsInterface.java
index 5fe3215b39..1715d69d09 100644
--- a/java/src/main/java/org/rocksdb/MutableDBOptionsInterface.java
+++ b/java/src/main/java/org/rocksdb/MutableDBOptionsInterface.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 public interface MutableDBOptionsInterface<T extends MutableDBOptionsInterface> {
diff --git a/java/src/main/java/org/rocksdb/MutableOptionKey.java b/java/src/main/java/org/rocksdb/MutableOptionKey.java
index 7402471ff2..ec1b9ff3b3 100644
--- a/java/src/main/java/org/rocksdb/MutableOptionKey.java
+++ b/java/src/main/java/org/rocksdb/MutableOptionKey.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 public interface MutableOptionKey {
diff --git a/java/src/main/java/org/rocksdb/MutableOptionValue.java b/java/src/main/java/org/rocksdb/MutableOptionValue.java
index 3727f7c1f2..8ec63269f8 100644
--- a/java/src/main/java/org/rocksdb/MutableOptionValue.java
+++ b/java/src/main/java/org/rocksdb/MutableOptionValue.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 import static org.rocksdb.AbstractMutableOptions.INT_ARRAY_INT_SEPARATOR;
diff --git a/java/src/main/java/org/rocksdb/NativeLibraryLoader.java b/java/src/main/java/org/rocksdb/NativeLibraryLoader.java
index 96d364cd1c..6e37e8cf20 100644
--- a/java/src/main/java/org/rocksdb/NativeLibraryLoader.java
+++ b/java/src/main/java/org/rocksdb/NativeLibraryLoader.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 import java.io.*;
diff --git a/java/src/main/java/org/rocksdb/SizeApproximationFlag.java b/java/src/main/java/org/rocksdb/SizeApproximationFlag.java
index 7807e7c835..fe3c2dd05b 100644
--- a/java/src/main/java/org/rocksdb/SizeApproximationFlag.java
+++ b/java/src/main/java/org/rocksdb/SizeApproximationFlag.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 import java.util.List;
diff --git a/java/src/main/java/org/rocksdb/SkipListMemTableConfig.java b/java/src/main/java/org/rocksdb/SkipListMemTableConfig.java
index e31e199161..e2c1b97d89 100644
--- a/java/src/main/java/org/rocksdb/SkipListMemTableConfig.java
+++ b/java/src/main/java/org/rocksdb/SkipListMemTableConfig.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 /**
diff --git a/java/src/main/java/org/rocksdb/StringAppendOperator.java b/java/src/main/java/org/rocksdb/StringAppendOperator.java
index 978cad6ccf..ae525d4dc8 100644
--- a/java/src/main/java/org/rocksdb/StringAppendOperator.java
+++ b/java/src/main/java/org/rocksdb/StringAppendOperator.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2014, Vlad Balan (vlad.gm@gmail.com).  All rights reserved.
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
diff --git a/java/src/main/java/org/rocksdb/TableFilter.java b/java/src/main/java/org/rocksdb/TableFilter.java
index 45605063b5..a39a329fb6 100644
--- a/java/src/main/java/org/rocksdb/TableFilter.java
+++ b/java/src/main/java/org/rocksdb/TableFilter.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 /**
diff --git a/java/src/main/java/org/rocksdb/TableProperties.java b/java/src/main/java/org/rocksdb/TableProperties.java
index 5fe98da67b..8c0b7e370e 100644
--- a/java/src/main/java/org/rocksdb/TableProperties.java
+++ b/java/src/main/java/org/rocksdb/TableProperties.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 import java.util.Map;
diff --git a/java/src/main/java/org/rocksdb/TransactionLogIterator.java b/java/src/main/java/org/rocksdb/TransactionLogIterator.java
index b6bfc495bc..5d9ec58d77 100644
--- a/java/src/main/java/org/rocksdb/TransactionLogIterator.java
+++ b/java/src/main/java/org/rocksdb/TransactionLogIterator.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 /**
diff --git a/java/src/main/java/org/rocksdb/VectorMemTableConfig.java b/java/src/main/java/org/rocksdb/VectorMemTableConfig.java
index 378340248f..fb1e7a9485 100644
--- a/java/src/main/java/org/rocksdb/VectorMemTableConfig.java
+++ b/java/src/main/java/org/rocksdb/VectorMemTableConfig.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 /**
diff --git a/java/src/main/java/org/rocksdb/util/Environment.java b/java/src/main/java/org/rocksdb/util/Environment.java
index bf005a3481..c019266483 100644
--- a/java/src/main/java/org/rocksdb/util/Environment.java
+++ b/java/src/main/java/org/rocksdb/util/Environment.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb.util;
 
 public class Environment {
diff --git a/java/src/test/java/org/rocksdb/CheckPointTest.java b/java/src/test/java/org/rocksdb/CheckPointTest.java
index e79569fb8b..9b1ea209a2 100644
--- a/java/src/test/java/org/rocksdb/CheckPointTest.java
+++ b/java/src/test/java/org/rocksdb/CheckPointTest.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 
diff --git a/java/src/test/java/org/rocksdb/InfoLogLevelTest.java b/java/src/test/java/org/rocksdb/InfoLogLevelTest.java
index b215dd17ff..a9b54d52c0 100644
--- a/java/src/test/java/org/rocksdb/InfoLogLevelTest.java
+++ b/java/src/test/java/org/rocksdb/InfoLogLevelTest.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 import org.junit.ClassRule;
diff --git a/java/src/test/java/org/rocksdb/LoggerTest.java b/java/src/test/java/org/rocksdb/LoggerTest.java
index f83cff3b7f..9ece0355b6 100644
--- a/java/src/test/java/org/rocksdb/LoggerTest.java
+++ b/java/src/test/java/org/rocksdb/LoggerTest.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 import org.junit.ClassRule;
diff --git a/java/src/test/java/org/rocksdb/RocksMemoryResource.java b/java/src/test/java/org/rocksdb/RocksMemoryResource.java
index 6fd1c7e667..8463e86248 100644
--- a/java/src/test/java/org/rocksdb/RocksMemoryResource.java
+++ b/java/src/test/java/org/rocksdb/RocksMemoryResource.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 import org.junit.rules.ExternalResource;
diff --git a/java/src/test/java/org/rocksdb/TableFilterTest.java b/java/src/test/java/org/rocksdb/TableFilterTest.java
index 862696763f..2bd3b1798c 100644
--- a/java/src/test/java/org/rocksdb/TableFilterTest.java
+++ b/java/src/test/java/org/rocksdb/TableFilterTest.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 import org.junit.Rule;
diff --git a/java/src/test/java/org/rocksdb/TransactionLogIteratorTest.java b/java/src/test/java/org/rocksdb/TransactionLogIteratorTest.java
index b619258ecc..a85d7c16e8 100644
--- a/java/src/test/java/org/rocksdb/TransactionLogIteratorTest.java
+++ b/java/src/test/java/org/rocksdb/TransactionLogIteratorTest.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb;
 
 import org.junit.ClassRule;
diff --git a/java/src/test/java/org/rocksdb/test/RemoveEmptyValueCompactionFilterFactory.java b/java/src/test/java/org/rocksdb/test/RemoveEmptyValueCompactionFilterFactory.java
index 11ffedf312..c4e4f25a03 100644
--- a/java/src/test/java/org/rocksdb/test/RemoveEmptyValueCompactionFilterFactory.java
+++ b/java/src/test/java/org/rocksdb/test/RemoveEmptyValueCompactionFilterFactory.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb.test;
 
 import org.rocksdb.AbstractCompactionFilter;
diff --git a/java/src/test/java/org/rocksdb/util/CapturingWriteBatchHandler.java b/java/src/test/java/org/rocksdb/util/CapturingWriteBatchHandler.java
index 83ac5d3d27..8908194719 100644
--- a/java/src/test/java/org/rocksdb/util/CapturingWriteBatchHandler.java
+++ b/java/src/test/java/org/rocksdb/util/CapturingWriteBatchHandler.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb.util;
 
 import org.rocksdb.RocksDBException;
diff --git a/java/src/test/java/org/rocksdb/util/WriteBatchGetter.java b/java/src/test/java/org/rocksdb/util/WriteBatchGetter.java
index a0d8d669d2..646e8b8f86 100644
--- a/java/src/test/java/org/rocksdb/util/WriteBatchGetter.java
+++ b/java/src/test/java/org/rocksdb/util/WriteBatchGetter.java
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 package org.rocksdb.util;
 
 import org.rocksdb.RocksDBException;
diff --git a/table/adaptive_table_factory.cc b/table/adaptive_table_factory.cc
index bbba3b9193..d5dcbc5f58 100644
--- a/table/adaptive_table_factory.cc
+++ b/table/adaptive_table_factory.cc
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/table/adaptive_table_factory.h b/table/adaptive_table_factory.h
index 5534c8b372..9d606362e1 100644
--- a/table/adaptive_table_factory.h
+++ b/table/adaptive_table_factory.h
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/table/plain_table_factory.cc b/table/plain_table_factory.cc
index a6e59c142f..0dccec5524 100644
--- a/table/plain_table_factory.cc
+++ b/table/plain_table_factory.cc
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/table/plain_table_factory.h b/table/plain_table_factory.h
index 990df482ed..dade156609 100644
--- a/table/plain_table_factory.h
+++ b/table/plain_table_factory.h
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/table/plain_table_reader.cc b/table/plain_table_reader.cc
index b0c6dcf07e..f33afdefc3 100644
--- a/table/plain_table_reader.cc
+++ b/table/plain_table_reader.cc
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/table/plain_table_reader.h b/table/plain_table_reader.h
index 022886b729..14760f20a5 100644
--- a/table/plain_table_reader.h
+++ b/table/plain_table_reader.h
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/thirdparty.inc b/thirdparty.inc
index f40b81fecc..ed9d4c0f8d 100644
--- a/thirdparty.inc
+++ b/thirdparty.inc
@@ -1,3 +1,4 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # Edit definitions below to specify paths to include files and libraries of all 3rd party libraries
 
 # TODO: Make this work with find_package and/or get rid of it
diff --git a/tools/analyze_txn_stress_test.sh b/tools/analyze_txn_stress_test.sh
index 8082606081..477b1fac55 100755
--- a/tools/analyze_txn_stress_test.sh
+++ b/tools/analyze_txn_stress_test.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # Usage:
 # 1. Enable ROCKS_LOG_DETAILS in util/logging.h
 # 2. Run ./transaction_test --gtest_filter="MySQLStyleTransactionTest/MySQLStyleTransactionTest.TransactionStressTest/*" --gtest_break_on_failure
diff --git a/tools/auto_sanity_test.sh b/tools/auto_sanity_test.sh
index c98bd661c9..4670ef9bb0 100755
--- a/tools/auto_sanity_test.sh
+++ b/tools/auto_sanity_test.sh
@@ -1,4 +1,5 @@
 # shellcheck disable=SC2148
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 TMP_DIR="${TMPDIR:-/tmp}/rocksdb-sanity-test"
 
 if [ "$#" -lt 2 ]; then
diff --git a/tools/benchmark.sh b/tools/benchmark.sh
index 31df59cd7a..e523f800be 100755
--- a/tools/benchmark.sh
+++ b/tools/benchmark.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # REQUIRE: db_bench binary exists in the current directory
 
 if [ $# -ne 1 ]; then
diff --git a/tools/benchmark_leveldb.sh b/tools/benchmark_leveldb.sh
index 40c7733cea..069b53a9fb 100755
--- a/tools/benchmark_leveldb.sh
+++ b/tools/benchmark_leveldb.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # REQUIRE: db_bench binary exists in the current directory
 #
 # This should be used with the LevelDB fork listed here to use additional test options.
diff --git a/tools/check_format_compatible.sh b/tools/check_format_compatible.sh
index a849b9e7e2..098f0d555a 100755
--- a/tools/check_format_compatible.sh
+++ b/tools/check_format_compatible.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #
 # A shell script to load some pre generated data file to a DB using ldb tool
 # ./ldb needs to be avaible to be executed.
diff --git a/tools/db_crashtest.py b/tools/db_crashtest.py
index dbabb2b4f8..a1a9ecb66e 100644
--- a/tools/db_crashtest.py
+++ b/tools/db_crashtest.py
@@ -1,4 +1,5 @@
 #! /usr/bin/env python
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 import os
 import sys
 import time
diff --git a/tools/generate_random_db.sh b/tools/generate_random_db.sh
index e10843bab8..5b59626171 100755
--- a/tools/generate_random_db.sh
+++ b/tools/generate_random_db.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #
 # A shell script to load some pre generated data file to a DB using ldb tool
 # ./ldb needs to be avaible to be executed.
diff --git a/tools/ingest_external_sst.sh b/tools/ingest_external_sst.sh
index 54ca3db3b3..8e2fed7ce7 100755
--- a/tools/ingest_external_sst.sh
+++ b/tools/ingest_external_sst.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #
 #
 
diff --git a/tools/ldb_test.py b/tools/ldb_test.py
index 2200fb464b..e64e76ee73 100644
--- a/tools/ldb_test.py
+++ b/tools/ldb_test.py
@@ -1,3 +1,4 @@
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 import os
 import glob
 import os.path
diff --git a/tools/rdb/db_wrapper.cc b/tools/rdb/db_wrapper.cc
index 1ec9da1dcd..c65eba4071 100644
--- a/tools/rdb/db_wrapper.cc
+++ b/tools/rdb/db_wrapper.cc
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #include <iostream>
 #include <memory>
 #include <vector>
diff --git a/tools/rdb/db_wrapper.h b/tools/rdb/db_wrapper.h
index 9d1c8f886c..da93e5b7c9 100644
--- a/tools/rdb/db_wrapper.h
+++ b/tools/rdb/db_wrapper.h
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #ifndef DBWRAPPER_H
 #define DBWRAPPER_H
 
diff --git a/tools/rdb/rdb.cc b/tools/rdb/rdb.cc
index 3619dc74ec..119fcc410c 100644
--- a/tools/rdb/rdb.cc
+++ b/tools/rdb/rdb.cc
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #ifndef BUILDING_NODE_EXTENSION
 #define BUILDING_NODE_EXTENSION
 #endif
diff --git a/tools/rdb/unit_test.js b/tools/rdb/unit_test.js
index d74ee8ce58..d01ae1df86 100644
--- a/tools/rdb/unit_test.js
+++ b/tools/rdb/unit_test.js
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 assert = require('assert')
 RDB    = require('./build/Release/rdb').DBWrapper
 exec   = require('child_process').exec
diff --git a/tools/regression_test.sh b/tools/regression_test.sh
index 69a53a470a..79963738f6 100755
--- a/tools/regression_test.sh
+++ b/tools/regression_test.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # The RocksDB regression test script.
 # REQUIREMENT: must be able to run make db_bench in the current directory
 #
diff --git a/tools/report_lite_binary_size.sh b/tools/report_lite_binary_size.sh
index 232bb9bc05..e3fe7bc26d 100755
--- a/tools/report_lite_binary_size.sh
+++ b/tools/report_lite_binary_size.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # Script to report lite build binary size for latest RocksDB commits.
 # Usage:
 #   ./report_lite_binary_size [num_recent_commits]
diff --git a/tools/rocksdb_dump_test.sh b/tools/rocksdb_dump_test.sh
index 8d9c7f5208..532c532678 100755
--- a/tools/rocksdb_dump_test.sh
+++ b/tools/rocksdb_dump_test.sh
@@ -1,4 +1,5 @@
 # shellcheck disable=SC2148
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 TESTDIR=`mktemp -d ${TMPDIR:-/tmp}/rocksdb-dump-test.XXXXX`
 DUMPFILE="tools/sample-dump.dmp"
 
diff --git a/tools/run_flash_bench.sh b/tools/run_flash_bench.sh
index 4d9d0d5575..26e253843c 100755
--- a/tools/run_flash_bench.sh
+++ b/tools/run_flash_bench.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # REQUIRE: benchmark.sh exists in the current directory
 # After execution of this script, log files are generated in $output_dir.
 # report.txt provides a high level statistics
diff --git a/tools/run_leveldb.sh b/tools/run_leveldb.sh
index de628c310c..2fce8b12db 100755
--- a/tools/run_leveldb.sh
+++ b/tools/run_leveldb.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 # REQUIRE: benchmark_leveldb.sh exists in the current directory
 # After execution of this script, log files are generated in $output_dir.
 # report.txt provides a high level statistics
diff --git a/tools/verify_random_db.sh b/tools/verify_random_db.sh
index 129233001c..817e4b9844 100755
--- a/tools/verify_random_db.sh
+++ b/tools/verify_random_db.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #
 # A shell script to verify DB generated by generate_random_db.sh cannot opened and read correct data.
 # ./ldb needs to be avaible to be executed.
diff --git a/tools/write_external_sst.sh b/tools/write_external_sst.sh
index 6efc300202..3b02d082f0 100755
--- a/tools/write_external_sst.sh
+++ b/tools/write_external_sst.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-#
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #
 #
 
diff --git a/tools/write_stress_runner.py b/tools/write_stress_runner.py
index b84dfd3cad..9a0e920a72 100644
--- a/tools/write_stress_runner.py
+++ b/tools/write_stress_runner.py
@@ -1,4 +1,5 @@
 #! /usr/bin/env python
+# Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 import subprocess
 import argparse
 import random
diff --git a/util/build_version.cc.in b/util/build_version.cc.in
index d2e8c57808..8569580188 100644
--- a/util/build_version.cc.in
+++ b/util/build_version.cc.in
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #include "build_version.h"
 const char* rocksdb_build_git_sha = "rocksdb_build_git_sha:@@GIT_SHA@@";
 const char* rocksdb_build_git_date = "rocksdb_build_git_date:@@GIT_DATE_TIME@@";
diff --git a/util/crc32c_ppc.c b/util/crc32c_ppc.c
index 3c517c88ca..d9467d2826 100644
--- a/util/crc32c_ppc.c
+++ b/util/crc32c_ppc.c
@@ -1,3 +1,4 @@
+//  Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 //  Copyright (c) 2017 International Business Machines Corp.
 //  All rights reserved.
 //  This source code is licensed under the BSD-style license found in the
diff --git a/util/crc32c_ppc.h b/util/crc32c_ppc.h
index 3bcaecfe82..64a81a4310 100644
--- a/util/crc32c_ppc.h
+++ b/util/crc32c_ppc.h
@@ -1,3 +1,4 @@
+//  Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 //  Copyright (c) 2017 International Business Machines Corp.
 //  All rights reserved.
 //  This source code is licensed under the BSD-style license found in the
diff --git a/util/crc32c_ppc_asm.S b/util/crc32c_ppc_asm.S
index 6de7979733..5142a8f259 100644
--- a/util/crc32c_ppc_asm.S
+++ b/util/crc32c_ppc_asm.S
@@ -1,3 +1,4 @@
+//  Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 //  Copyright (c) 2015 Anton Blanchard <anton@au.ibm.com>, IBM
 //  Copyright (c) 2017 International Business Machines Corp.
 //  All rights reserved.
diff --git a/util/crc32c_ppc_constants.h b/util/crc32c_ppc_constants.h
index 57d6630322..21ec6fd945 100644
--- a/util/crc32c_ppc_constants.h
+++ b/util/crc32c_ppc_constants.h
@@ -1,3 +1,4 @@
+//  Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 //  Copyright (C) 2015, 2017 International Business Machines Corp.
 //  All rights reserved.
 //  This source code is licensed under the BSD-style license found in the
diff --git a/util/ppc-opcode.h b/util/ppc-opcode.h
index 554fa50a89..e632ef26a3 100644
--- a/util/ppc-opcode.h
+++ b/util/ppc-opcode.h
@@ -1,3 +1,4 @@
+//  Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 //  Copyright (c) 2017 International Business Machines Corp.
 //  All rights reserved.
 //  This source code is licensed under the BSD-style license found in the
diff --git a/util/vector_iterator.h b/util/vector_iterator.h
index da60eb229c..2a88c26031 100644
--- a/util/vector_iterator.h
+++ b/util/vector_iterator.h
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #pragma once
 
 #include <algorithm>
diff --git a/util/xxhash.cc b/util/xxhash.cc
index 2ec95a636e..91343f674e 100644
--- a/util/xxhash.cc
+++ b/util/xxhash.cc
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 /*
 xxHash - Fast Hash algorithm
 Copyright (C) 2012-2014, Yann Collet.
diff --git a/util/xxhash.h b/util/xxhash.h
index 88352ac75f..515375506e 100644
--- a/util/xxhash.h
+++ b/util/xxhash.h
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 /*
    xxHash - Fast Hash algorithm
    Header File
diff --git a/utilities/env_librados.cc b/utilities/env_librados.cc
index 753444da16..9c275c03f7 100644
--- a/utilities/env_librados.cc
+++ b/utilities/env_librados.cc
@@ -1,6 +1,6 @@
 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
 // vim: ts=8 sw=2 smarttab
-
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 #include "rocksdb/utilities/env_librados.h"
 #include "util/random.h"
 #include <mutex>
@@ -1486,4 +1486,4 @@ EnvLibrados* EnvLibrados::Default() {
   return &default_env;
 }
 // @lint-ignore TXT4 T25377293 Grandfathered in
-}
\ No newline at end of file
+}
diff --git a/utilities/env_librados_test.cc b/utilities/env_librados_test.cc
index fb10224e7d..1a3746860b 100644
--- a/utilities/env_librados_test.cc
+++ b/utilities/env_librados_test.cc
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 //  Copyright (c) 2016, Red Hat, Inc.  All rights reserved.
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
diff --git a/utilities/env_mirror.cc b/utilities/env_mirror.cc
index 327d8e1622..e3c1cf71f5 100644
--- a/utilities/env_mirror.cc
+++ b/utilities/env_mirror.cc
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2015, Red Hat, Inc.  All rights reserved.
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
diff --git a/utilities/env_mirror_test.cc b/utilities/env_mirror_test.cc
index 812595ca1e..3c0ed22852 100644
--- a/utilities/env_mirror_test.cc
+++ b/utilities/env_mirror_test.cc
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 //  Copyright (c) 2015, Red Hat, Inc.  All rights reserved.
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License
diff --git a/utilities/merge_operators/string_append/stringappend2.h b/utilities/merge_operators/string_append/stringappend2.h
index d979f1451b..7379169b6c 100644
--- a/utilities/merge_operators/string_append/stringappend2.h
+++ b/utilities/merge_operators/string_append/stringappend2.h
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 /**
  * A TEST MergeOperator for rocksdb that implements string append.
  * It is built using the MergeOperator interface rather than the simpler
diff --git a/utilities/ttl/db_ttl_impl.cc b/utilities/ttl/db_ttl_impl.cc
index 7ec60b6150..1952e6188d 100644
--- a/utilities/ttl/db_ttl_impl.cc
+++ b/utilities/ttl/db_ttl_impl.cc
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/utilities/ttl/db_ttl_impl.h b/utilities/ttl/db_ttl_impl.h
index 1148f4f90a..8bf064a046 100644
--- a/utilities/ttl/db_ttl_impl.h
+++ b/utilities/ttl/db_ttl_impl.h
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
diff --git a/utilities/ttl/ttl_test.cc b/utilities/ttl/ttl_test.cc
index 6a50eb29fe..88e90af269 100644
--- a/utilities/ttl/ttl_test.cc
+++ b/utilities/ttl/ttl_test.cc
@@ -1,3 +1,4 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.