diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
index af3916d2e3b..63310e668e2 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
@@ -23,7 +23,6 @@ import com.google.protobuf.RpcController;
 import java.io.Closeable;
 import java.io.IOException;
 import java.io.InterruptedIOException;
-import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.EnumSet;
@@ -1675,8 +1674,8 @@ public class HBaseAdmin implements Admin {
     byte[][] encodedNameofRegionsToMerge = new byte[nameofRegionsToMerge.length][];
     for(int i = 0; i < nameofRegionsToMerge.length; i++) {
       encodedNameofRegionsToMerge[i] = HRegionInfo.isEncodedRegionName(nameofRegionsToMerge[i]) ?
-        nameofRegionsToMerge[i] : HRegionInfo.encodeRegionName(nameofRegionsToMerge[i])
-          .getBytes(StandardCharsets.UTF_8);
+          nameofRegionsToMerge[i] :
+          Bytes.toBytes(HRegionInfo.encodeRegionName(nameofRegionsToMerge[i]));
     }
 
     TableName tableName = null;
@@ -1774,7 +1773,7 @@ public class HBaseAdmin implements Admin {
   public Future<Void> splitRegionAsync(byte[] regionName, byte[] splitPoint)
       throws IOException {
     byte[] encodedNameofRegionToSplit = HRegionInfo.isEncodedRegionName(regionName) ?
-        regionName : HRegionInfo.encodeRegionName(regionName).getBytes(StandardCharsets.UTF_8);
+        regionName : Bytes.toBytes(HRegionInfo.encodeRegionName(regionName));
     Pair<RegionInfo, ServerName> pair = getRegion(regionName);
     if (pair != null) {
       if (pair.getFirst() != null &&
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/security/SaslUtil.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/security/SaslUtil.java
index d37abdf72a8..7091df5b882 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/security/SaslUtil.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/security/SaslUtil.java
@@ -28,6 +28,7 @@ import javax.security.sasl.SaslException;
 import javax.security.sasl.SaslServer;
 
 import org.apache.commons.codec.binary.Base64;
+import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -73,7 +74,7 @@ public class SaslUtil {
   }
 
   static byte[] decodeIdentifier(String identifier) {
-    return Base64.decodeBase64(identifier.getBytes(StandardCharsets.UTF_8));
+    return Base64.decodeBase64(Bytes.toBytes(identifier));
   }
 
   static char[] encodePassword(byte[] password) {
diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/TestHColumnDescriptor.java b/hbase-client/src/test/java/org/apache/hadoop/hbase/TestHColumnDescriptor.java
index 976dfad4a35..5733c86c5d6 100644
--- a/hbase-client/src/test/java/org/apache/hadoop/hbase/TestHColumnDescriptor.java
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/TestHColumnDescriptor.java
@@ -20,19 +20,17 @@ package org.apache.hadoop.hbase;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
-import java.nio.charset.StandardCharsets;
-
 import org.apache.hadoop.hbase.exceptions.DeserializationException;
 import org.apache.hadoop.hbase.exceptions.HBaseException;
 import org.apache.hadoop.hbase.io.compress.Compression;
 import org.apache.hadoop.hbase.io.compress.Compression.Algorithm;
 import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;
 import org.apache.hadoop.hbase.regionserver.BloomType;
-import org.apache.hadoop.hbase.util.Bytes;
-import org.apache.hadoop.hbase.util.PrettyPrinter;
 import org.apache.hadoop.hbase.testclassification.MiscTests;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
 import org.apache.hadoop.hbase.util.BuilderStyleTest;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.hbase.util.PrettyPrinter;
 import org.junit.Assert;
 import org.junit.Rule;
 import org.junit.Test;
@@ -100,7 +98,7 @@ public class TestHColumnDescriptor {
   public void testHColumnDescriptorShouldThrowIAEWhenFamilyNameEmpty() throws Exception {
     expectedEx.expect(IllegalArgumentException.class);
     expectedEx.expectMessage("Column Family name can not be empty");
-    new HColumnDescriptor("".getBytes(StandardCharsets.UTF_8));
+    new HColumnDescriptor(Bytes.toBytes(""));
   }
 
   /**
diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestAsyncProcess.java b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestAsyncProcess.java
index dd2ac6ff6ea..ba6756b670d 100644
--- a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestAsyncProcess.java
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestAsyncProcess.java
@@ -24,7 +24,6 @@ import static org.junit.Assert.assertTrue;
 
 import java.io.IOException;
 import java.io.InterruptedIOException;
-import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -88,10 +87,10 @@ public class TestAsyncProcess {
   private static final Logger LOG = LoggerFactory.getLogger(TestAsyncProcess.class);
   private static final TableName DUMMY_TABLE =
       TableName.valueOf("DUMMY_TABLE");
-  private static final byte[] DUMMY_BYTES_1 = "DUMMY_BYTES_1".getBytes(StandardCharsets.UTF_8);
-  private static final byte[] DUMMY_BYTES_2 = "DUMMY_BYTES_2".getBytes(StandardCharsets.UTF_8);
-  private static final byte[] DUMMY_BYTES_3 = "DUMMY_BYTES_3".getBytes(StandardCharsets.UTF_8);
-  private static final byte[] FAILS = "FAILS".getBytes(StandardCharsets.UTF_8);
+  private static final byte[] DUMMY_BYTES_1 = Bytes.toBytes("DUMMY_BYTES_1");
+  private static final byte[] DUMMY_BYTES_2 = Bytes.toBytes("DUMMY_BYTES_2");
+  private static final byte[] DUMMY_BYTES_3 = Bytes.toBytes("DUMMY_BYTES_3");
+  private static final byte[] FAILS = Bytes.toBytes("FAILS");
   private static final Configuration CONF = new Configuration();
   private static final ConnectionConfiguration CONNECTION_CONFIG =
       new ConnectionConfiguration(CONF);
@@ -987,7 +986,7 @@ public class TestAsyncProcess {
 
 
     for (int i = 0; i < 1000; i++) {
-      ap.incTaskCounters(Collections.singleton("dummy".getBytes(StandardCharsets.UTF_8)), sn);
+      ap.incTaskCounters(Collections.singleton(Bytes.toBytes("dummy")), sn);
     }
 
     final Thread myThread = Thread.currentThread();
@@ -1018,7 +1017,7 @@ public class TestAsyncProcess {
       public void run() {
         Threads.sleep(sleepTime);
         while (controller.tasksInProgress.get() > 0) {
-          ap.decTaskCounters(Collections.singleton("dummy".getBytes(StandardCharsets.UTF_8)), sn);
+          ap.decTaskCounters(Collections.singleton(Bytes.toBytes("dummy")), sn);
         }
       }
     };
diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientScanner.java b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientScanner.java
index eb158cb9fa2..41d92222b4f 100644
--- a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientScanner.java
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientScanner.java
@@ -30,7 +30,6 @@ import static org.mockito.Matchers.anyInt;
 import static org.mockito.Mockito.when;
 
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.util.Iterator;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -45,6 +44,7 @@ import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.ScannerCallable.MoreResults;
 import org.apache.hadoop.hbase.ipc.RpcControllerFactory;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
+import org.apache.hadoop.hbase.util.Bytes;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Rule;
@@ -132,8 +132,7 @@ public class TestClientScanner {
   @SuppressWarnings("unchecked")
   public void testNoResultsHint() throws IOException {
     final Result[] results = new Result[1];
-    KeyValue kv1 = new KeyValue("row".getBytes(StandardCharsets.UTF_8),
-        "cf".getBytes(StandardCharsets.UTF_8), "cq".getBytes(StandardCharsets.UTF_8), 1,
+    KeyValue kv1 = new KeyValue(Bytes.toBytes("row"), Bytes.toBytes("cf"), Bytes.toBytes("cq"), 1,
         Type.Maximum);
     results[0] = Result.create(new Cell[] {kv1});
 
@@ -193,8 +192,7 @@ public class TestClientScanner {
   @SuppressWarnings("unchecked")
   public void testSizeLimit() throws IOException {
     final Result[] results = new Result[1];
-    KeyValue kv1 = new KeyValue("row".getBytes(StandardCharsets.UTF_8),
-      "cf".getBytes(StandardCharsets.UTF_8), "cq".getBytes(StandardCharsets.UTF_8), 1,
+    KeyValue kv1 = new KeyValue(Bytes.toBytes("row"), Bytes.toBytes("cf"), Bytes.toBytes("cq"), 1,
         Type.Maximum);
     results[0] = Result.create(new Cell[] {kv1});
 
@@ -251,14 +249,11 @@ public class TestClientScanner {
   @Test
   @SuppressWarnings("unchecked")
   public void testCacheLimit() throws IOException {
-    KeyValue kv1 = new KeyValue("row1".getBytes(StandardCharsets.UTF_8),
-      "cf".getBytes(StandardCharsets.UTF_8), "cq".getBytes(StandardCharsets.UTF_8), 1,
+    KeyValue kv1 = new KeyValue(Bytes.toBytes("row1"), Bytes.toBytes("cf"), Bytes.toBytes("cq"), 1,
         Type.Maximum);
-    KeyValue kv2 = new KeyValue("row2".getBytes(StandardCharsets.UTF_8),
-        "cf".getBytes(StandardCharsets.UTF_8), "cq".getBytes(StandardCharsets.UTF_8), 1,
+    KeyValue kv2 = new KeyValue(Bytes.toBytes("row2"), Bytes.toBytes("cf"), Bytes.toBytes("cq"), 1,
         Type.Maximum);
-    KeyValue kv3 = new KeyValue("row3".getBytes(StandardCharsets.UTF_8),
-        "cf".getBytes(StandardCharsets.UTF_8), "cq".getBytes(StandardCharsets.UTF_8), 1,
+    KeyValue kv3 = new KeyValue(Bytes.toBytes("row3"), Bytes.toBytes("cf"), Bytes.toBytes("cq"), 1,
         Type.Maximum);
     final Result[] results = new Result[] {Result.create(new Cell[] {kv1}),
         Result.create(new Cell[] {kv2}), Result.create(new Cell[] {kv3})};
@@ -331,8 +326,7 @@ public class TestClientScanner {
   @SuppressWarnings("unchecked")
   public void testNoMoreResults() throws IOException {
     final Result[] results = new Result[1];
-    KeyValue kv1 = new KeyValue("row".getBytes(StandardCharsets.UTF_8),
-      "cf".getBytes(StandardCharsets.UTF_8), "cq".getBytes(StandardCharsets.UTF_8), 1,
+    KeyValue kv1 = new KeyValue(Bytes.toBytes("row"), Bytes.toBytes("cf"), Bytes.toBytes("cq"), 1,
         Type.Maximum);
     results[0] = Result.create(new Cell[] {kv1});
 
@@ -390,14 +384,12 @@ public class TestClientScanner {
   @SuppressWarnings("unchecked")
   public void testMoreResults() throws IOException {
     final Result[] results1 = new Result[1];
-    KeyValue kv1 = new KeyValue("row".getBytes(StandardCharsets.UTF_8),
-        "cf".getBytes(StandardCharsets.UTF_8), "cq".getBytes(StandardCharsets.UTF_8), 1,
+    KeyValue kv1 = new KeyValue(Bytes.toBytes("row"), Bytes.toBytes("cf"), Bytes.toBytes("cq"), 1,
         Type.Maximum);
     results1[0] = Result.create(new Cell[] {kv1});
 
     final Result[] results2 = new Result[1];
-    KeyValue kv2 = new KeyValue("row2".getBytes(StandardCharsets.UTF_8),
-      "cf".getBytes(StandardCharsets.UTF_8), "cq".getBytes(StandardCharsets.UTF_8), 1,
+    KeyValue kv2 = new KeyValue(Bytes.toBytes("row2"), Bytes.toBytes("cf"), Bytes.toBytes("cq"), 1,
         Type.Maximum);
     results2[0] = Result.create(new Cell[] {kv2});
 
diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestDelayingRunner.java b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestDelayingRunner.java
index 15b7b022a50..b8400538f01 100644
--- a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestDelayingRunner.java
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestDelayingRunner.java
@@ -17,14 +17,15 @@
  */
 package org.apache.hadoop.hbase.client;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
-import java.nio.charset.StandardCharsets;
 import java.util.concurrent.atomic.AtomicLong;
 
 import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
+import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
@@ -34,8 +35,8 @@ public class TestDelayingRunner {
 
   private static final TableName DUMMY_TABLE =
       TableName.valueOf("DUMMY_TABLE");
-  private static final byte[] DUMMY_BYTES_1 = "DUMMY_BYTES_1".getBytes(StandardCharsets.UTF_8);
-  private static final byte[] DUMMY_BYTES_2 = "DUMMY_BYTES_2".getBytes(StandardCharsets.UTF_8);
+  private static final byte[] DUMMY_BYTES_1 = Bytes.toBytes("DUMMY_BYTES_1");
+  private static final byte[] DUMMY_BYTES_2 = Bytes.toBytes("DUMMY_BYTES_2");
   private static HRegionInfo hri1 =
       new HRegionInfo(DUMMY_TABLE, DUMMY_BYTES_1, DUMMY_BYTES_2, false, 1);
 
diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestOperation.java b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestOperation.java
index 98bc74bf9ba..cf40a690938 100644
--- a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestOperation.java
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestOperation.java
@@ -21,9 +21,10 @@ package org.apache.hadoop.hbase.client;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+
 import java.io.IOException;
 import java.nio.ByteBuffer;
-import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
@@ -66,7 +67,6 @@ import org.apache.hadoop.hbase.util.Bytes;
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
-import com.fasterxml.jackson.databind.ObjectMapper;
 
 /**
  * Run tests that use the functionality of the Operation superclass for
@@ -83,66 +83,53 @@ public class TestOperation {
 
   private static List<Long> TS_LIST = Arrays.asList(2L, 3L, 5L);
   private static TimestampsFilter TS_FILTER = new TimestampsFilter(TS_LIST);
-  private static String STR_TS_FILTER =
-      TS_FILTER.getClass().getSimpleName() + " (3/3): [2, 3, 5]";
+  private static String STR_TS_FILTER = TS_FILTER.getClass().getSimpleName() + " (3/3): [2, 3, 5]";
 
-  private static List<Long> L_TS_LIST =
-      Arrays.asList(0L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 10L);
-  private static TimestampsFilter L_TS_FILTER =
-      new TimestampsFilter(L_TS_LIST);
+  private static List<Long> L_TS_LIST = Arrays.asList(0L, 1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 10L);
+  private static TimestampsFilter L_TS_FILTER = new TimestampsFilter(L_TS_LIST);
   private static String STR_L_TS_FILTER =
       L_TS_FILTER.getClass().getSimpleName() + " (5/11): [0, 1, 2, 3, 4]";
 
   private static String COL_NAME_1 = "col1";
   private static ColumnPrefixFilter COL_PRE_FILTER =
-      new ColumnPrefixFilter(COL_NAME_1.getBytes(StandardCharsets.UTF_8));
+      new ColumnPrefixFilter(Bytes.toBytes(COL_NAME_1));
   private static String STR_COL_PRE_FILTER =
       COL_PRE_FILTER.getClass().getSimpleName() + " " + COL_NAME_1;
 
   private static String COL_NAME_2 = "col2";
-  private static ColumnRangeFilter CR_FILTER = new ColumnRangeFilter(
-      COL_NAME_1.getBytes(StandardCharsets.UTF_8), true,
-      COL_NAME_2.getBytes(StandardCharsets.UTF_8), false);
+  private static ColumnRangeFilter CR_FILTER =
+      new ColumnRangeFilter(Bytes.toBytes(COL_NAME_1), true, Bytes.toBytes(COL_NAME_2), false);
   private static String STR_CR_FILTER = CR_FILTER.getClass().getSimpleName()
       + " [" + COL_NAME_1 + ", " + COL_NAME_2 + ")";
 
   private static int COL_COUNT = 9;
-  private static ColumnCountGetFilter CCG_FILTER =
-      new ColumnCountGetFilter(COL_COUNT);
-  private static String STR_CCG_FILTER =
-      CCG_FILTER.getClass().getSimpleName() + " " + COL_COUNT;
+  private static ColumnCountGetFilter CCG_FILTER = new ColumnCountGetFilter(COL_COUNT);
+  private static String STR_CCG_FILTER = CCG_FILTER.getClass().getSimpleName() + " " + COL_COUNT;
 
   private static int LIMIT = 3;
   private static int OFFSET = 4;
-  private static ColumnPaginationFilter CP_FILTER =
-      new ColumnPaginationFilter(LIMIT, OFFSET);
+  private static ColumnPaginationFilter CP_FILTER = new ColumnPaginationFilter(LIMIT, OFFSET);
   private static String STR_CP_FILTER = CP_FILTER.getClass().getSimpleName()
       + " (" + LIMIT + ", " + OFFSET + ")";
 
   private static String STOP_ROW_KEY = "stop";
   private static InclusiveStopFilter IS_FILTER =
-      new InclusiveStopFilter(STOP_ROW_KEY.getBytes(StandardCharsets.UTF_8));
+      new InclusiveStopFilter(Bytes.toBytes(STOP_ROW_KEY));
   private static String STR_IS_FILTER =
       IS_FILTER.getClass().getSimpleName() + " " + STOP_ROW_KEY;
 
   private static String PREFIX = "prefix";
-  private static PrefixFilter PREFIX_FILTER =
-      new PrefixFilter(PREFIX.getBytes(StandardCharsets.UTF_8));
+  private static PrefixFilter PREFIX_FILTER = new PrefixFilter(Bytes.toBytes(PREFIX));
   private static String STR_PREFIX_FILTER = "PrefixFilter " + PREFIX;
 
-  private static byte[][] PREFIXES = {
-      "0".getBytes(StandardCharsets.UTF_8), "1".getBytes(StandardCharsets.UTF_8),
-      "2".getBytes(StandardCharsets.UTF_8)};
-  private static MultipleColumnPrefixFilter MCP_FILTER =
-      new MultipleColumnPrefixFilter(PREFIXES);
+  private static byte[][] PREFIXES = { Bytes.toBytes("0"), Bytes.toBytes("1"), Bytes.toBytes("2") };
+  private static MultipleColumnPrefixFilter MCP_FILTER = new MultipleColumnPrefixFilter(PREFIXES);
   private static String STR_MCP_FILTER =
       MCP_FILTER.getClass().getSimpleName() + " (3/3): [0, 1, 2]";
 
   private static byte[][] L_PREFIXES = {
-    "0".getBytes(StandardCharsets.UTF_8), "1".getBytes(StandardCharsets.UTF_8),
-    "2".getBytes(StandardCharsets.UTF_8), "3".getBytes(StandardCharsets.UTF_8),
-    "4".getBytes(StandardCharsets.UTF_8), "5".getBytes(StandardCharsets.UTF_8),
-    "6".getBytes(StandardCharsets.UTF_8), "7".getBytes(StandardCharsets.UTF_8)};
+    Bytes.toBytes("0"), Bytes.toBytes("1"), Bytes.toBytes("2"), Bytes.toBytes("3"),
+    Bytes.toBytes("4"), Bytes.toBytes("5"), Bytes.toBytes("6"), Bytes.toBytes("7") };
   private static MultipleColumnPrefixFilter L_MCP_FILTER =
       new MultipleColumnPrefixFilter(L_PREFIXES);
   private static String STR_L_MCP_FILTER =
@@ -150,29 +137,25 @@ public class TestOperation {
 
   private static int PAGE_SIZE = 9;
   private static PageFilter PAGE_FILTER = new PageFilter(PAGE_SIZE);
-  private static String STR_PAGE_FILTER =
-      PAGE_FILTER.getClass().getSimpleName() + " " + PAGE_SIZE;
+  private static String STR_PAGE_FILTER = PAGE_FILTER.getClass().getSimpleName() + " " + PAGE_SIZE;
 
   private static SkipFilter SKIP_FILTER = new SkipFilter(L_TS_FILTER);
   private static String STR_SKIP_FILTER =
       SKIP_FILTER.getClass().getSimpleName() + " " + STR_L_TS_FILTER;
 
-  private static WhileMatchFilter WHILE_FILTER =
-      new WhileMatchFilter(L_TS_FILTER);
+  private static WhileMatchFilter WHILE_FILTER = new WhileMatchFilter(L_TS_FILTER);
   private static String STR_WHILE_FILTER =
       WHILE_FILTER.getClass().getSimpleName() + " " + STR_L_TS_FILTER;
 
   private static KeyOnlyFilter KEY_ONLY_FILTER = new KeyOnlyFilter();
-  private static String STR_KEY_ONLY_FILTER =
-      KEY_ONLY_FILTER.getClass().getSimpleName();
+  private static String STR_KEY_ONLY_FILTER = KEY_ONLY_FILTER.getClass().getSimpleName();
 
-  private static FirstKeyOnlyFilter FIRST_KEY_ONLY_FILTER =
-      new FirstKeyOnlyFilter();
+  private static FirstKeyOnlyFilter FIRST_KEY_ONLY_FILTER = new FirstKeyOnlyFilter();
   private static String STR_FIRST_KEY_ONLY_FILTER =
       FIRST_KEY_ONLY_FILTER.getClass().getSimpleName();
 
   private static CompareOp CMP_OP = CompareOp.EQUAL;
-  private static byte[] CMP_VALUE = "value".getBytes(StandardCharsets.UTF_8);
+  private static byte[] CMP_VALUE = Bytes.toBytes("value");
   private static BinaryComparator BC = new BinaryComparator(CMP_VALUE);
   private static DependentColumnFilter DC_FILTER =
       new DependentColumnFilter(FAMILY, QUALIFIER, true, CMP_OP, BC);
@@ -185,14 +168,12 @@ public class TestOperation {
   private static String STR_FAMILY_FILTER =
       FAMILY_FILTER.getClass().getSimpleName() + " (EQUAL, value)";
 
-  private static QualifierFilter QUALIFIER_FILTER =
-      new QualifierFilter(CMP_OP, BC);
+  private static QualifierFilter QUALIFIER_FILTER = new QualifierFilter(CMP_OP, BC);
   private static String STR_QUALIFIER_FILTER =
       QUALIFIER_FILTER.getClass().getSimpleName() + " (EQUAL, value)";
 
   private static RowFilter ROW_FILTER = new RowFilter(CMP_OP, BC);
-  private static String STR_ROW_FILTER =
-      ROW_FILTER.getClass().getSimpleName() + " (EQUAL, value)";
+  private static String STR_ROW_FILTER = ROW_FILTER.getClass().getSimpleName() + " (EQUAL, value)";
 
   private static ValueFilter VALUE_FILTER = new ValueFilter(CMP_OP, BC);
   private static String STR_VALUE_FILTER =
@@ -209,19 +190,16 @@ public class TestOperation {
       new SingleColumnValueExcludeFilter(FAMILY, QUALIFIER, CMP_OP, CMP_VALUE);
   private static String STR_SCVE_FILTER = String.format("%s (%s, %s, %s, %s)",
       SCVE_FILTER.getClass().getSimpleName(), Bytes.toStringBinary(FAMILY),
-      Bytes.toStringBinary(QUALIFIER), CMP_OP.name(),
-      Bytes.toStringBinary(CMP_VALUE));
+      Bytes.toStringBinary(QUALIFIER), CMP_OP.name(), Bytes.toStringBinary(CMP_VALUE));
 
   private static FilterList AND_FILTER_LIST = new FilterList(
-      Operator.MUST_PASS_ALL, Arrays.asList((Filter) TS_FILTER, L_TS_FILTER,
-          CR_FILTER));
+      Operator.MUST_PASS_ALL, Arrays.asList((Filter) TS_FILTER, L_TS_FILTER, CR_FILTER));
   private static String STR_AND_FILTER_LIST = String.format(
       "%s AND (3/3): [%s, %s, %s]", AND_FILTER_LIST.getClass().getSimpleName(),
       STR_TS_FILTER, STR_L_TS_FILTER, STR_CR_FILTER);
 
   private static FilterList OR_FILTER_LIST = new FilterList(
-      Operator.MUST_PASS_ONE, Arrays.asList((Filter) TS_FILTER, L_TS_FILTER,
-          CR_FILTER));
+      Operator.MUST_PASS_ONE, Arrays.asList((Filter) TS_FILTER, L_TS_FILTER, CR_FILTER));
   private static String STR_OR_FILTER_LIST = String.format(
       "%s OR (3/3): [%s, %s, %s]", AND_FILTER_LIST.getClass().getSimpleName(),
       STR_TS_FILTER, STR_L_TS_FILTER, STR_CR_FILTER);
diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestSimpleRequestController.java b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestSimpleRequestController.java
index 3107aa705ea..37d5cb28277 100644
--- a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestSimpleRequestController.java
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestSimpleRequestController.java
@@ -24,7 +24,6 @@ import static org.junit.Assert.fail;
 
 import java.io.IOException;
 import java.io.InterruptedIOException;
-import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
@@ -53,9 +52,9 @@ public class TestSimpleRequestController {
 
   private static final TableName DUMMY_TABLE
           = TableName.valueOf("DUMMY_TABLE");
-  private static final byte[] DUMMY_BYTES_1 = "DUMMY_BYTES_1".getBytes(StandardCharsets.UTF_8);
-  private static final byte[] DUMMY_BYTES_2 = "DUMMY_BYTES_2".getBytes(StandardCharsets.UTF_8);
-  private static final byte[] DUMMY_BYTES_3 = "DUMMY_BYTES_3".getBytes(StandardCharsets.UTF_8);
+  private static final byte[] DUMMY_BYTES_1 = Bytes.toBytes("DUMMY_BYTES_1");
+  private static final byte[] DUMMY_BYTES_2 = Bytes.toBytes("DUMMY_BYTES_2");
+  private static final byte[] DUMMY_BYTES_3 = Bytes.toBytes("DUMMY_BYTES_3");
   private static final ServerName SN = ServerName.valueOf("s1,1,1");
   private static final ServerName SN2 = ServerName.valueOf("s2,2,2");
   private static final HRegionInfo HRI1
diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/security/TestHBaseSaslRpcClient.java b/hbase-client/src/test/java/org/apache/hadoop/hbase/security/TestHBaseSaslRpcClient.java
index 8d2d1a106f8..4b71eb321c4 100644
--- a/hbase-client/src/test/java/org/apache/hadoop/hbase/security/TestHBaseSaslRpcClient.java
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/security/TestHBaseSaslRpcClient.java
@@ -27,10 +27,7 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import org.apache.hadoop.hbase.shaded.com.google.common.base.Strings;
-
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 
 import javax.security.auth.callback.Callback;
 import javax.security.auth.callback.CallbackHandler;
@@ -46,6 +43,7 @@ import javax.security.sasl.SaslClient;
 import org.apache.hadoop.hbase.security.AbstractHBaseSaslRpcClient.SaslClientCallbackHandler;
 import org.apache.hadoop.hbase.testclassification.SecurityTests;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
+import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.io.DataInputBuffer;
 import org.apache.hadoop.io.DataOutputBuffer;
 import org.apache.hadoop.security.token.Token;
@@ -59,6 +57,8 @@ import org.junit.experimental.categories.Category;
 import org.junit.rules.ExpectedException;
 import org.mockito.Mockito;
 
+import org.apache.hadoop.hbase.shaded.com.google.common.base.Strings;
+
 @Category({SecurityTests.class, SmallTests.class})
 public class TestHBaseSaslRpcClient {
 
@@ -99,18 +99,15 @@ public class TestHBaseSaslRpcClient {
   @Test
   public void testSaslClientCallbackHandler() throws UnsupportedCallbackException {
     final Token<? extends TokenIdentifier> token = createTokenMock();
-    when(token.getIdentifier())
-      .thenReturn(DEFAULT_USER_NAME.getBytes(StandardCharsets.UTF_8));
-    when(token.getPassword())
-      .thenReturn(DEFAULT_USER_PASSWORD.getBytes(StandardCharsets.UTF_8));
+    when(token.getIdentifier()).thenReturn(Bytes.toBytes(DEFAULT_USER_NAME));
+    when(token.getPassword()).thenReturn(Bytes.toBytes(DEFAULT_USER_PASSWORD));
 
     final NameCallback nameCallback = mock(NameCallback.class);
     final PasswordCallback passwordCallback = mock(PasswordCallback.class);
     final RealmCallback realmCallback = mock(RealmCallback.class);
     final RealmChoiceCallback realmChoiceCallback = mock(RealmChoiceCallback.class);
 
-    Callback[] callbackArray = {nameCallback, passwordCallback,
-        realmCallback, realmChoiceCallback};
+    Callback[] callbackArray = {nameCallback, passwordCallback, realmCallback, realmChoiceCallback};
     final SaslClientCallbackHandler saslClCallbackHandler = new SaslClientCallbackHandler(token);
     saslClCallbackHandler.handle(callbackArray);
     verify(nameCallback).setName(anyString());
@@ -121,10 +118,8 @@ public class TestHBaseSaslRpcClient {
   @Test
   public void testSaslClientCallbackHandlerWithException() {
     final Token<? extends TokenIdentifier> token = createTokenMock();
-    when(token.getIdentifier())
-      .thenReturn(DEFAULT_USER_NAME.getBytes(StandardCharsets.UTF_8));
-    when(token.getPassword())
-      .thenReturn(DEFAULT_USER_PASSWORD.getBytes(StandardCharsets.UTF_8));
+    when(token.getIdentifier()).thenReturn(Bytes.toBytes(DEFAULT_USER_NAME));
+    when(token.getPassword()).thenReturn(Bytes.toBytes(DEFAULT_USER_PASSWORD));
     final SaslClientCallbackHandler saslClCallbackHandler = new SaslClientCallbackHandler(token);
     try {
       saslClCallbackHandler.handle(new Callback[] { mock(TextOutputCallback.class) });
@@ -294,10 +289,8 @@ public class TestHBaseSaslRpcClient {
       throws IOException {
     Token<? extends TokenIdentifier> token = createTokenMock();
     if (!Strings.isNullOrEmpty(principal) && !Strings.isNullOrEmpty(password)) {
-      when(token.getIdentifier())
-        .thenReturn(DEFAULT_USER_NAME.getBytes(StandardCharsets.UTF_8));
-      when(token.getPassword())
-        .thenReturn(DEFAULT_USER_PASSWORD.getBytes(StandardCharsets.UTF_8));
+      when(token.getIdentifier()).thenReturn(Bytes.toBytes(DEFAULT_USER_NAME));
+      when(token.getPassword()).thenReturn(Bytes.toBytes(DEFAULT_USER_PASSWORD));
     }
     return token;
   }
diff --git a/hbase-common/src/main/java/org/apache/hadoop/hbase/util/Base64.java b/hbase-common/src/main/java/org/apache/hadoop/hbase/util/Base64.java
index fe74bcf91c1..f3ac52b8e2d 100644
--- a/hbase-common/src/main/java/org/apache/hadoop/hbase/util/Base64.java
+++ b/hbase-common/src/main/java/org/apache/hadoop/hbase/util/Base64.java
@@ -928,7 +928,7 @@ public class Base64 {
       bytes = s.getBytes(PREFERRED_ENCODING);
 
     } catch (UnsupportedEncodingException uee) {
-      bytes = s.getBytes(StandardCharsets.UTF_8);
+      bytes = Bytes.toBytes(s);
     } // end catch
 
     // Decode
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestCellUtil.java b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestCellUtil.java
index aad0929a71a..41c0fc4e69e 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestCellUtil.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestCellUtil.java
@@ -26,7 +26,6 @@ import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.math.BigDecimal;
 import java.nio.ByteBuffer;
-import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.NavigableMap;
@@ -316,8 +315,8 @@ public class TestCellUtil {
   @Test
   public void testFindCommonPrefixInFlatKey() {
     // The whole key matching case
-    KeyValue kv1 = new KeyValue("r1".getBytes(StandardCharsets.UTF_8),
-      "f1".getBytes(StandardCharsets.UTF_8), "q1".getBytes(StandardCharsets.UTF_8), null);
+    KeyValue kv1 = new KeyValue(Bytes.toBytes("r1"), Bytes.toBytes("f1"),
+        Bytes.toBytes("q1"), null);
     Assert.assertEquals(kv1.getKeyLength(),
       PrivateCellUtil.findCommonPrefixInFlatKey(kv1, kv1, true, true));
     Assert.assertEquals(kv1.getKeyLength(),
@@ -325,35 +324,35 @@ public class TestCellUtil {
     Assert.assertEquals(kv1.getKeyLength() - KeyValue.TIMESTAMP_TYPE_SIZE,
       PrivateCellUtil.findCommonPrefixInFlatKey(kv1, kv1, true, false));
     // The rk length itself mismatch
-    KeyValue kv2 = new KeyValue("r12".getBytes(StandardCharsets.UTF_8),
-        "f1".getBytes(StandardCharsets.UTF_8), "q1".getBytes(StandardCharsets.UTF_8), null);
+    KeyValue kv2 = new KeyValue(Bytes.toBytes("r12"), Bytes.toBytes("f1"),
+        Bytes.toBytes("q1"), null);
     Assert.assertEquals(1, PrivateCellUtil.findCommonPrefixInFlatKey(kv1, kv2, true, true));
     // part of rk is same
-    KeyValue kv3 = new KeyValue("r14".getBytes(StandardCharsets.UTF_8),
-        "f1".getBytes(StandardCharsets.UTF_8), "q1".getBytes(StandardCharsets.UTF_8), null);
-    Assert.assertEquals(KeyValue.ROW_LENGTH_SIZE + "r1".getBytes(StandardCharsets.UTF_8).length,
+    KeyValue kv3 = new KeyValue(Bytes.toBytes("r14"), Bytes.toBytes("f1"),
+        Bytes.toBytes("q1"), null);
+    Assert.assertEquals(KeyValue.ROW_LENGTH_SIZE + Bytes.toBytes("r1").length,
       PrivateCellUtil.findCommonPrefixInFlatKey(kv2, kv3, true, true));
     // entire rk is same but different cf name
-    KeyValue kv4 = new KeyValue("r14".getBytes(StandardCharsets.UTF_8),
-      "f2".getBytes(StandardCharsets.UTF_8), "q1".getBytes(StandardCharsets.UTF_8), null);
+    KeyValue kv4 = new KeyValue(Bytes.toBytes("r14"), Bytes.toBytes("f2"),
+        Bytes.toBytes("q1"), null);
     Assert.assertEquals(KeyValue.ROW_LENGTH_SIZE + kv3.getRowLength() + KeyValue.FAMILY_LENGTH_SIZE
-        + "f".getBytes(StandardCharsets.UTF_8).length,
+        + Bytes.toBytes("f").length,
         PrivateCellUtil.findCommonPrefixInFlatKey(kv3, kv4, false, true));
     // rk and family are same and part of qualifier
-    KeyValue kv5 = new KeyValue("r14".getBytes(StandardCharsets.UTF_8),
-      "f2".getBytes(StandardCharsets.UTF_8), "q123".getBytes(StandardCharsets.UTF_8), null);
+    KeyValue kv5 = new KeyValue(Bytes.toBytes("r14"), Bytes.toBytes("f2"),
+        Bytes.toBytes("q123"), null);
     Assert.assertEquals(KeyValue.ROW_LENGTH_SIZE + kv3.getRowLength() + KeyValue.FAMILY_LENGTH_SIZE
         + kv4.getFamilyLength() + kv4.getQualifierLength(),
         PrivateCellUtil.findCommonPrefixInFlatKey(kv4, kv5, true, true));
     // rk, cf and q are same. ts differs
-    KeyValue kv6 = new KeyValue("rk".getBytes(StandardCharsets.UTF_8), 1234L);
-    KeyValue kv7 = new KeyValue("rk".getBytes(StandardCharsets.UTF_8), 1235L);
+    KeyValue kv6 = new KeyValue(Bytes.toBytes("rk"), 1234L);
+    KeyValue kv7 = new KeyValue(Bytes.toBytes("rk"), 1235L);
     // only last byte out of 8 ts bytes in ts part differs
     Assert.assertEquals(KeyValue.ROW_LENGTH_SIZE + kv6.getRowLength() + KeyValue.FAMILY_LENGTH_SIZE
         + kv6.getFamilyLength() + kv6.getQualifierLength() + 7,
         PrivateCellUtil.findCommonPrefixInFlatKey(kv6, kv7, true, true));
     // rk, cf, q and ts are same. Only type differs
-    KeyValue kv8 = new KeyValue("rk".getBytes(StandardCharsets.UTF_8), 1234L, Type.Delete);
+    KeyValue kv8 = new KeyValue(Bytes.toBytes("rk"), 1234L, Type.Delete);
     Assert.assertEquals(KeyValue.ROW_LENGTH_SIZE + kv6.getRowLength() + KeyValue.FAMILY_LENGTH_SIZE
         + kv6.getFamilyLength() + kv6.getQualifierLength() + KeyValue.TIMESTAMP_SIZE,
         PrivateCellUtil.findCommonPrefixInFlatKey(kv6, kv8, true, true));
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestTableName.java b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestTableName.java
index 3bf05c4b96f..05d6bec2c25 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/TestTableName.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/TestTableName.java
@@ -23,7 +23,6 @@ import static org.junit.Assert.assertSame;
 import static org.junit.Assert.fail;
 
 import java.nio.ByteBuffer;
-import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -119,11 +118,11 @@ public class TestTableName extends TestWatcher {
 
     Names(String ns, String tn) {
       this.ns = ns;
-      nsb = ns.getBytes(StandardCharsets.UTF_8);
+      nsb = Bytes.toBytes(ns);
       this.tn = tn;
-      tnb = tn.getBytes(StandardCharsets.UTF_8);
+      tnb = Bytes.toBytes(tn);
       nn = this.ns + ":" + this.tn;
-      nnb = nn.getBytes(StandardCharsets.UTF_8);
+      nnb = Bytes.toBytes(nn);
     }
 
     @Override
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/io/crypto/TestKeyStoreKeyProvider.java b/hbase-common/src/test/java/org/apache/hadoop/hbase/io/crypto/TestKeyStoreKeyProvider.java
index 2fe8a8f6d62..7037a346a23 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/io/crypto/TestKeyStoreKeyProvider.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/io/crypto/TestKeyStoreKeyProvider.java
@@ -22,7 +22,6 @@ import static org.junit.Assert.assertNotNull;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
 import java.security.Key;
 import java.security.KeyStore;
 import java.security.MessageDigest;
@@ -32,6 +31,7 @@ import javax.crypto.spec.SecretKeySpec;
 import org.apache.hadoop.hbase.HBaseCommonTestingUtility;
 import org.apache.hadoop.hbase.testclassification.MiscTests;
 import org.apache.hadoop.hbase.testclassification.SmallTests;
+import org.apache.hadoop.hbase.util.Bytes;
 import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
@@ -52,7 +52,7 @@ public class TestKeyStoreKeyProvider {
 
   @BeforeClass
   public static void setUp() throws Exception {
-    KEY = MessageDigest.getInstance("SHA-256").digest(ALIAS.getBytes(StandardCharsets.UTF_8));
+    KEY = MessageDigest.getInstance("SHA-256").digest(Bytes.toBytes(ALIAS));
     // Create a JKECS store containing a test secret key
     KeyStore store = KeyStore.getInstance("JCEKS");
     store.load(null, PASSWORD.toCharArray());
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/types/TestStruct.java b/hbase-common/src/test/java/org/apache/hadoop/hbase/types/TestStruct.java
index 994948b93b0..1cdc9873cf6 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/types/TestStruct.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/types/TestStruct.java
@@ -21,7 +21,6 @@ import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 
 import java.lang.reflect.Constructor;
-import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Comparator;
@@ -70,15 +69,10 @@ public class TestStruct {
     };
 
     Object[][] pojo2Args = {
-      new Object[] { new byte[0], "it".getBytes(StandardCharsets.UTF_8), "was",
-          "the".getBytes(StandardCharsets.UTF_8) },
-      new Object[] { "best".getBytes(StandardCharsets.UTF_8), new byte[0], "of",
-          "times,".getBytes(StandardCharsets.UTF_8) },
-      new Object[] { "it".getBytes(StandardCharsets.UTF_8),
-          "was".getBytes(StandardCharsets.UTF_8), "",
-          "the".getBytes(StandardCharsets.UTF_8) },
-      new Object[] { "worst".getBytes(StandardCharsets.UTF_8),
-          "of".getBytes(StandardCharsets.UTF_8), "times,", new byte[0] },
+      new Object[] { new byte[0], Bytes.toBytes("it"), "was", Bytes.toBytes("the") },
+      new Object[] { Bytes.toBytes("best"), new byte[0], "of", Bytes.toBytes("times,") },
+      new Object[] { Bytes.toBytes("it"), Bytes.toBytes("was"), "", Bytes.toBytes("the") },
+      new Object[] { Bytes.toBytes("worst"), Bytes.toBytes("of"), "times,", new byte[0] },
       new Object[] { new byte[0], new byte[0], "", new byte[0] },
     };
 
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestLoadTestKVGenerator.java b/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestLoadTestKVGenerator.java
index 2c403423b67..242d6bef53c 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestLoadTestKVGenerator.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestLoadTestKVGenerator.java
@@ -19,7 +19,6 @@ package org.apache.hadoop.hbase.util;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import java.nio.charset.StandardCharsets;
 import java.util.HashSet;
 import java.util.Random;
 import java.util.Set;
@@ -41,8 +40,8 @@ public class TestLoadTestKVGenerator {
   @Test
   public void testValueLength() {
     for (int i = 0; i < 1000; ++i) {
-      byte[] v = gen.generateRandomSizeValue(Integer.toString(i).getBytes(StandardCharsets.UTF_8),
-          String.valueOf(rand.nextInt()).getBytes(StandardCharsets.UTF_8));
+      byte[] v = gen.generateRandomSizeValue(Bytes.toBytes(Integer.toString(i)),
+          Bytes.toBytes(String.valueOf(rand.nextInt())));
       assertTrue(MIN_LEN <= v.length);
       assertTrue(v.length <= MAX_LEN);
     }
@@ -52,8 +51,8 @@ public class TestLoadTestKVGenerator {
   public void testVerification() {
     for (int i = 0; i < 1000; ++i) {
       for (int qualIndex = 0; qualIndex < 20; ++qualIndex) {
-        byte[] qual = String.valueOf(qualIndex).getBytes(StandardCharsets.UTF_8);
-        byte[] rowKey = LoadTestKVGenerator.md5PrefixedKey(i).getBytes(StandardCharsets.UTF_8);
+        byte[] qual = Bytes.toBytes(String.valueOf(qualIndex));
+        byte[] rowKey = Bytes.toBytes(LoadTestKVGenerator.md5PrefixedKey(i));
         byte[] v = gen.generateRandomSizeValue(rowKey, qual);
         assertTrue(LoadTestKVGenerator.verify(v, rowKey, qual));
         v[0]++;
diff --git a/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestOrderedBytes.java b/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestOrderedBytes.java
index c62986d86d7..2107ee891b7 100644
--- a/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestOrderedBytes.java
+++ b/hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestOrderedBytes.java
@@ -23,7 +23,6 @@ import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
 import java.math.BigDecimal;
-import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.Collections;
 
@@ -874,9 +873,9 @@ public class TestOrderedBytes {
   @Test
   public void testBlobVar() {
     byte[][] vals =
-      { "".getBytes(StandardCharsets.UTF_8),
-        "foo".getBytes(StandardCharsets.UTF_8),
-        "foobarbazbub".getBytes(StandardCharsets.UTF_8),
+      { Bytes.toBytes(""),
+        Bytes.toBytes("foo"),
+        Bytes.toBytes("foobarbazbub"),
         { (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa,
           (byte) 0xaa, /* 7 bytes of alternating bits; testing around HBASE-9893 */ },
         { (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa,
@@ -891,14 +890,14 @@ public class TestOrderedBytes {
         { (byte) 0x55, (byte) 0x55, (byte) 0x55, (byte) 0x55, (byte) 0x55, (byte) 0x55,
           (byte) 0x55, (byte) 0x55, (byte) 0x55, (byte) 0x55, (byte) 0x55, (byte) 0x55,
           (byte) 0x55, (byte) 0x55, /* 14 bytes of alternating bits; testing around HBASE-9893 */ },
-        "1".getBytes(StandardCharsets.UTF_8),
-        "22".getBytes(StandardCharsets.UTF_8),
-        "333".getBytes(StandardCharsets.UTF_8),
-        "4444".getBytes(StandardCharsets.UTF_8),
-        "55555".getBytes(StandardCharsets.UTF_8),
-        "666666".getBytes(StandardCharsets.UTF_8),
-        "7777777".getBytes(StandardCharsets.UTF_8),
-        "88888888".getBytes(StandardCharsets.UTF_8)
+        Bytes.toBytes("1"),
+        Bytes.toBytes("22"),
+        Bytes.toBytes("333"),
+        Bytes.toBytes("4444"),
+        Bytes.toBytes("55555"),
+        Bytes.toBytes("666666"),
+        Bytes.toBytes("7777777"),
+        Bytes.toBytes("88888888")
       };
 
     /*
@@ -969,9 +968,9 @@ public class TestOrderedBytes {
   @Test
   public void testBlobCopy() {
     byte[][] vals =
-      { "".getBytes(StandardCharsets.UTF_8),
-        "foo".getBytes(StandardCharsets.UTF_8),
-        "foobarbazbub".getBytes(StandardCharsets.UTF_8),
+      { Bytes.toBytes(""),
+        Bytes.toBytes("foo"),
+        Bytes.toBytes("foobarbazbub"),
         { (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa,
           (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa },
         { (byte) 0x55, (byte) 0x55, (byte) 0x55, (byte) 0x55, (byte) 0x55, (byte) 0x55,
@@ -1046,9 +1045,9 @@ public class TestOrderedBytes {
       byte[] a = new byte[3 + (Order.ASCENDING == ord ? 1 : 2) + 2];
       PositionedByteRange buf =
           new SimplePositionedMutableByteRange(a, 1, 3 + (Order.ASCENDING == ord ? 1 : 2));
-      OrderedBytes.encodeBlobCopy(buf, "foobarbaz".getBytes(StandardCharsets.UTF_8), 3, 3, ord);
+      OrderedBytes.encodeBlobCopy(buf, Bytes.toBytes("foobarbaz"), 3, 3, ord);
       buf.setPosition(0);
-      assertArrayEquals("bar".getBytes(StandardCharsets.UTF_8), OrderedBytes.decodeBlobCopy(buf));
+      assertArrayEquals(Bytes.toBytes("bar"), OrderedBytes.decodeBlobCopy(buf));
     }
   }
 
diff --git a/hbase-examples/src/main/java/org/apache/hadoop/hbase/client/example/HttpProxyExample.java b/hbase-examples/src/main/java/org/apache/hadoop/hbase/client/example/HttpProxyExample.java
index e3686f4f2f1..c5aac8d2a79 100644
--- a/hbase-examples/src/main/java/org/apache/hadoop/hbase/client/example/HttpProxyExample.java
+++ b/hbase-examples/src/main/java/org/apache/hadoop/hbase/client/example/HttpProxyExample.java
@@ -19,7 +19,6 @@ package org.apache.hadoop.hbase.client.example;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
-import java.nio.charset.StandardCharsets;
 import java.util.Optional;
 import java.util.concurrent.ExecutionException;
 
@@ -138,7 +137,7 @@ public class HttpProxyExample {
       DefaultFullHttpResponse resp;
       if (content.isPresent()) {
         ByteBuf buf =
-            ctx.alloc().buffer().writeBytes(content.get().getBytes(StandardCharsets.UTF_8));
+            ctx.alloc().buffer().writeBytes(Bytes.toBytes(content.get()));
         resp = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, status, buf);
         resp.headers().set(HttpHeaderNames.CONTENT_LENGTH, buf.readableBytes());
       } else {
diff --git a/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.java b/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.java
index 9bd05302262..4a67933f7df 100644
--- a/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.java
+++ b/hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat2.java
@@ -27,7 +27,6 @@ import java.io.UnsupportedEncodingException;
 import java.net.InetSocketAddress;
 import java.net.URLDecoder;
 import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -49,8 +48,8 @@ import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HRegionLocation;
 import org.apache.hadoop.hbase.HTableDescriptor;
-import org.apache.hadoop.hbase.PrivateCellUtil;
 import org.apache.hadoop.hbase.KeyValue;
+import org.apache.hadoop.hbase.PrivateCellUtil;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;
 import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;
@@ -91,6 +90,7 @@ import org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+
 import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;
 
 /**
@@ -134,10 +134,9 @@ public class HFileOutputFormat2
     }
   }
 
-  protected static final byte[] tableSeparator = ";".getBytes(StandardCharsets.UTF_8);
+  protected static final byte[] tableSeparator = Bytes.toBytes(";");
 
-  protected static byte[] combineTableNameSuffix(byte[] tableName,
-                                       byte[] suffix ) {
+  protected static byte[] combineTableNameSuffix(byte[] tableName, byte[] suffix) {
     return Bytes.add(tableName, tableSeparator, suffix);
   }
 
@@ -257,7 +256,7 @@ public class HFileOutputFormat2
                     "' not" + " expected");
           }
         } else {
-          tableNameBytes = writeTableNames.getBytes(StandardCharsets.UTF_8);
+          tableNameBytes = Bytes.toBytes(writeTableNames);
         }
         byte[] tableAndFamily = getTableNameSuffixedWithFamily(tableNameBytes, family);
         WriterLength wl = this.writers.get(tableAndFamily);
@@ -780,7 +779,7 @@ public class HFileOutputFormat2
         continue;
       }
       try {
-        confValMap.put(URLDecoder.decode(familySplit[0], "UTF-8").getBytes(StandardCharsets.UTF_8),
+        confValMap.put(Bytes.toBytes(URLDecoder.decode(familySplit[0], "UTF-8")),
             URLDecoder.decode(familySplit[1], "UTF-8"));
       } catch (UnsupportedEncodingException e) {
         // will not happen with UTF-8 encoding