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Posted to commits@accumulo.apache.org by ct...@apache.org on 2022/02/21 05:57:24 UTC

[accumulo] branch main updated: Use Java7 underscore instead of multiplying by 1000 (#2512)

This is an automated email from the ASF dual-hosted git repository.

ctubbsii pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/accumulo.git


The following commit(s) were added to refs/heads/main by this push:
     new b570aec  Use Java7 underscore instead of multiplying by 1000 (#2512)
b570aec is described below

commit b570aecdd82a353f10143f8c5951a282753cce1a
Author: Kylian Meulin <59...@users.noreply.github.com>
AuthorDate: Mon Feb 21 06:57:18 2022 +0100

    Use Java7 underscore instead of multiplying by 1000 (#2512)
    
    Making use of the new Java 7 feature to use underscores to separate
    groups of digits in a numeric literal, replace several base-10 multiplications.
    Replace `n * 1000` with `n_000` and `n * 1000 * 1000` with `n_000_000`
    
    Co-authored-by: Jeffrey Manno <je...@gmail.com>
---
 .../core/clientImpl/ThriftTransportPool.java         |  2 +-
 .../spi/balancer/HostRegexTableLoadBalancer.java     |  4 ++--
 .../core/spi/balancer/SimpleLoadBalancer.java        |  2 +-
 .../core/spi/balancer/TableLoadBalancer.java         |  2 +-
 .../apache/accumulo/fate/zookeeper/ZooSession.java   |  2 +-
 .../accumulo/core/client/BatchWriterConfigTest.java  |  4 ++--
 .../core/clientImpl/ThriftTransportKeyTest.java      |  4 ++--
 .../core/file/rfile/bcfile/CompressionTest.java      |  6 +++---
 .../accumulo/core/rpc/TTimeoutTransportTest.java     |  4 ++--
 .../miniclusterImpl/MiniAccumuloConfigImpl.java      |  2 +-
 .../org/apache/accumulo/server/ServerContext.java    |  4 ++--
 .../apache/accumulo/server/client/BulkImporter.java  |  4 ++--
 .../accumulo/server/manager/LiveTServerSet.java      |  2 +-
 .../server/master/balancer/DefaultLoadBalancer.java  |  4 ++--
 .../master/balancer/HostRegexTableLoadBalancer.java  |  4 ++--
 .../server/master/balancer/TableLoadBalancer.java    |  2 +-
 .../org/apache/accumulo/server/rpc/TServerUtils.java |  2 +-
 .../apache/accumulo/server/util/ListInstances.java   |  2 +-
 .../AuthenticationTokenKeyManagerTest.java           | 14 +++++++-------
 .../AuthenticationTokenSecretManagerTest.java        | 20 ++++++++++----------
 .../delegation/ZooAuthenticationKeyWatcherTest.java  |  2 +-
 .../org/apache/accumulo/compactor/Compactor.java     |  2 +-
 .../java/org/apache/accumulo/monitor/Monitor.java    |  2 +-
 .../apache/accumulo/tserver/AssignmentHandler.java   |  2 +-
 .../apache/accumulo/tserver/ThriftClientHandler.java |  2 +-
 .../memory/LargestFirstMemoryManagerTest.java        |  6 +++---
 .../vfs/AccumuloReloadingVFSClassLoader.java         |  2 +-
 .../apache/accumulo/test/GarbageCollectWALIT.java    |  2 +-
 .../accumulo/test/InterruptibleScannersIT.java       |  2 +-
 .../org/apache/accumulo/test/LargeSplitRowIT.java    |  8 ++++----
 .../apache/accumulo/test/ScanFlushWithTimeIT.java    |  2 +-
 .../compaction/ConfigurableMajorCompactionIT.java    |  2 +-
 .../accumulo/test/compaction/SplitCancelsMajCIT.java |  2 +-
 .../accumulo/test/functional/BackupManagerIT.java    |  2 +-
 .../test/functional/BalanceAfterCommsFailureIT.java  |  4 ++--
 .../BalanceInPresenceOfOfflineTableIT.java           |  2 +-
 .../accumulo/test/functional/ClassLoaderIT.java      |  2 +-
 .../accumulo/test/functional/ConstraintIT.java       |  2 +-
 .../accumulo/test/functional/HalfDeadTServerIT.java  |  2 +-
 .../apache/accumulo/test/functional/KerberosIT.java  |  2 +-
 .../accumulo/test/functional/KerberosRenewalIT.java  |  8 ++++----
 41 files changed, 75 insertions(+), 75 deletions(-)

diff --git a/core/src/main/java/org/apache/accumulo/core/clientImpl/ThriftTransportPool.java b/core/src/main/java/org/apache/accumulo/core/clientImpl/ThriftTransportPool.java
index 32ffb99..49641e2 100644
--- a/core/src/main/java/org/apache/accumulo/core/clientImpl/ThriftTransportPool.java
+++ b/core/src/main/java/org/apache/accumulo/core/clientImpl/ThriftTransportPool.java
@@ -371,7 +371,7 @@ public class ThriftTransportPool {
   private static final Logger log = LoggerFactory.getLogger(ThriftTransportPool.class);
 
   private static final Long ERROR_THRESHOLD = 20L;
-  private static final int STUCK_THRESHOLD = 2 * 60 * 1000;
+  private static final int STUCK_THRESHOLD = 2 * 60_000;
 
   private static class CachedConnection {
 
diff --git a/core/src/main/java/org/apache/accumulo/core/spi/balancer/HostRegexTableLoadBalancer.java b/core/src/main/java/org/apache/accumulo/core/spi/balancer/HostRegexTableLoadBalancer.java
index 4d97787..d830ee8 100644
--- a/core/src/main/java/org/apache/accumulo/core/spi/balancer/HostRegexTableLoadBalancer.java
+++ b/core/src/main/java/org/apache/accumulo/core/spi/balancer/HostRegexTableLoadBalancer.java
@@ -175,7 +175,7 @@ public class HostRegexTableLoadBalancer extends TableLoadBalancer {
     }
   }
 
-  private static final long ONE_HOUR = 60 * 60 * 1000;
+  private static final long ONE_HOUR = 60 * 60_000;
   private static final Set<TabletId> EMPTY_MIGRATIONS = Collections.emptySet();
   private volatile long lastOOBCheck = System.currentTimeMillis();
   private Map<String,SortedMap<TabletServerId,TServerStatus>> pools = new HashMap<>();
@@ -376,7 +376,7 @@ public class HostRegexTableLoadBalancer extends TableLoadBalancer {
 
   @Override
   public long balance(BalanceParameters params) {
-    long minBalanceTime = 20 * 1000;
+    long minBalanceTime = 20_000;
     // Iterate over the tables and balance each of them
     Map<String,TableId> tableIdMap = environment.getTableIdMap();
     Map<TableId,String> tableIdToTableName = tableIdMap.entrySet().stream()
diff --git a/core/src/main/java/org/apache/accumulo/core/spi/balancer/SimpleLoadBalancer.java b/core/src/main/java/org/apache/accumulo/core/spi/balancer/SimpleLoadBalancer.java
index 683f6cc..96aea38 100644
--- a/core/src/main/java/org/apache/accumulo/core/spi/balancer/SimpleLoadBalancer.java
+++ b/core/src/main/java/org/apache/accumulo/core/spi/balancer/SimpleLoadBalancer.java
@@ -380,7 +380,7 @@ public class SimpleLoadBalancer implements TabletBalancer {
         problemReporter.reportProblem(outstandingMigrationsProblem);
       }
     }
-    return 5 * 1000;
+    return 5_000;
   }
 
 }
diff --git a/core/src/main/java/org/apache/accumulo/core/spi/balancer/TableLoadBalancer.java b/core/src/main/java/org/apache/accumulo/core/spi/balancer/TableLoadBalancer.java
index 02aef99..c3fe690 100644
--- a/core/src/main/java/org/apache/accumulo/core/spi/balancer/TableLoadBalancer.java
+++ b/core/src/main/java/org/apache/accumulo/core/spi/balancer/TableLoadBalancer.java
@@ -120,7 +120,7 @@ public class TableLoadBalancer implements TabletBalancer {
 
   @Override
   public long balance(BalanceParameters params) {
-    long minBalanceTime = 5 * 1000;
+    long minBalanceTime = 5_000;
     // Iterate over the tables and balance each of them
     for (TableId tableId : environment.getTableIdMap().values()) {
       ArrayList<TabletMigration> newMigrations = new ArrayList<>();
diff --git a/core/src/main/java/org/apache/accumulo/fate/zookeeper/ZooSession.java b/core/src/main/java/org/apache/accumulo/fate/zookeeper/ZooSession.java
index f5221aa..76f608a 100644
--- a/core/src/main/java/org/apache/accumulo/fate/zookeeper/ZooSession.java
+++ b/core/src/main/java/org/apache/accumulo/fate/zookeeper/ZooSession.java
@@ -115,7 +115,7 @@ public class ZooSession {
    */
   static ZooKeeper connect(String host, int timeout, String scheme, byte[] auth, Watcher watcher) {
     final int TIME_BETWEEN_CONNECT_CHECKS_MS = 100;
-    int connectTimeWait = Math.min(10 * 1000, timeout);
+    int connectTimeWait = Math.min(10_000, timeout);
     boolean tryAgain = true;
     long sleepTime = 100;
     ZooKeeper zooKeeper = null;
diff --git a/core/src/test/java/org/apache/accumulo/core/client/BatchWriterConfigTest.java b/core/src/test/java/org/apache/accumulo/core/client/BatchWriterConfigTest.java
index 7a43795..9d71dcf 100644
--- a/core/src/test/java/org/apache/accumulo/core/client/BatchWriterConfigTest.java
+++ b/core/src/test/java/org/apache/accumulo/core/client/BatchWriterConfigTest.java
@@ -62,8 +62,8 @@ public class BatchWriterConfigTest {
     bwConfig.setDurability(Durability.NONE);
 
     assertEquals(1123581321L, bwConfig.getMaxMemory());
-    assertEquals(22 * 60 * 60 * 1000L, bwConfig.getMaxLatency(TimeUnit.MILLISECONDS));
-    assertEquals(33 * 24 * 60 * 60 * 1000L, bwConfig.getTimeout(TimeUnit.MILLISECONDS));
+    assertEquals(22 * 60 * 60_000L, bwConfig.getMaxLatency(TimeUnit.MILLISECONDS));
+    assertEquals(33 * 24 * 60 * 60_000L, bwConfig.getTimeout(TimeUnit.MILLISECONDS));
     assertEquals(42, bwConfig.getMaxWriteThreads());
     assertEquals(Durability.NONE, bwConfig.getDurability());
   }
diff --git a/core/src/test/java/org/apache/accumulo/core/clientImpl/ThriftTransportKeyTest.java b/core/src/test/java/org/apache/accumulo/core/clientImpl/ThriftTransportKeyTest.java
index 62eeb73..95abe2d 100644
--- a/core/src/test/java/org/apache/accumulo/core/clientImpl/ThriftTransportKeyTest.java
+++ b/core/src/test/java/org/apache/accumulo/core/clientImpl/ThriftTransportKeyTest.java
@@ -77,7 +77,7 @@ public class ThriftTransportKeyTest {
 
     try {
       assertThrows(RuntimeException.class,
-          () -> new ThriftTransportKey(HostAndPort.fromParts("localhost", 9999), 120 * 1000,
+          () -> new ThriftTransportKey(HostAndPort.fromParts("localhost", 9999), 120_000,
               clientCtx));
     } finally {
       verify(clientCtx);
@@ -137,7 +137,7 @@ public class ThriftTransportKeyTest {
     replay(clientCtx);
 
     ThriftTransportKey ttk =
-        new ThriftTransportKey(HostAndPort.fromParts("localhost", 9999), 120 * 1000, clientCtx);
+        new ThriftTransportKey(HostAndPort.fromParts("localhost", 9999), 120_000, clientCtx);
 
     assertEquals("Normal ThriftTransportKey doesn't equal itself", ttk, ttk);
   }
diff --git a/core/src/test/java/org/apache/accumulo/core/file/rfile/bcfile/CompressionTest.java b/core/src/test/java/org/apache/accumulo/core/file/rfile/bcfile/CompressionTest.java
index bb76d39..84443c8 100644
--- a/core/src/test/java/org/apache/accumulo/core/file/rfile/bcfile/CompressionTest.java
+++ b/core/src/test/java/org/apache/accumulo/core/file/rfile/bcfile/CompressionTest.java
@@ -157,7 +157,7 @@ public class CompressionTest {
     }
   }
 
-  @Test(timeout = 60 * 1000)
+  @Test(timeout = 60_000)
   public void testManyStartNotNull() throws InterruptedException, ExecutionException {
 
     for (final Algorithm al : Algorithm.values()) {
@@ -199,7 +199,7 @@ public class CompressionTest {
   }
 
   // don't start until we have created the codec
-  @Test(timeout = 60 * 1000)
+  @Test(timeout = 60_000)
   public void testManyDontStartUntilThread() throws InterruptedException, ExecutionException {
 
     for (final Algorithm al : Algorithm.values()) {
@@ -235,7 +235,7 @@ public class CompressionTest {
 
   }
 
-  @Test(timeout = 60 * 1000)
+  @Test(timeout = 60_000)
   public void testThereCanBeOnlyOne() throws InterruptedException, ExecutionException {
 
     for (final Algorithm al : Algorithm.values()) {
diff --git a/core/src/test/java/org/apache/accumulo/core/rpc/TTimeoutTransportTest.java b/core/src/test/java/org/apache/accumulo/core/rpc/TTimeoutTransportTest.java
index c024c4a..ad7fac5 100644
--- a/core/src/test/java/org/apache/accumulo/core/rpc/TTimeoutTransportTest.java
+++ b/core/src/test/java/org/apache/accumulo/core/rpc/TTimeoutTransportTest.java
@@ -75,7 +75,7 @@ public class TTimeoutTransportTest {
 
   @Test
   public void testFailedInputStreamClosesSocket() throws IOException {
-    long timeout = 2 * 60 * 1000; // 2 mins
+    long timeout = 2 * 60_000; // 2 mins
     SocketAddress addr = createMock(SocketAddress.class);
     Socket s = createMock(Socket.class);
     TTimeoutTransport timeoutTransport = createMockBuilder(TTimeoutTransport.class)
@@ -105,7 +105,7 @@ public class TTimeoutTransportTest {
 
   @Test
   public void testFailedOutputStreamClosesSocket() throws IOException {
-    long timeout = 2 * 60 * 1000; // 2 mins
+    long timeout = 2 * 60_000; // 2 mins
     SocketAddress addr = createMock(SocketAddress.class);
     Socket s = createMock(Socket.class);
     InputStream is = createMock(InputStream.class);
diff --git a/minicluster/src/main/java/org/apache/accumulo/miniclusterImpl/MiniAccumuloConfigImpl.java b/minicluster/src/main/java/org/apache/accumulo/miniclusterImpl/MiniAccumuloConfigImpl.java
index 8f51e6c..cf72054 100644
--- a/minicluster/src/main/java/org/apache/accumulo/miniclusterImpl/MiniAccumuloConfigImpl.java
+++ b/minicluster/src/main/java/org/apache/accumulo/miniclusterImpl/MiniAccumuloConfigImpl.java
@@ -74,7 +74,7 @@ public class MiniAccumuloConfigImpl {
 
   private int zooKeeperPort = 0;
   private int configuredZooKeeperPort = 0;
-  private long zooKeeperStartupTime = 20 * 1000;
+  private long zooKeeperStartupTime = 20_000;
   private String existingZooKeepers;
 
   private long defaultMemorySize = 256 * 1024 * 1024;
diff --git a/server/base/src/main/java/org/apache/accumulo/server/ServerContext.java b/server/base/src/main/java/org/apache/accumulo/server/ServerContext.java
index a7ebfae..a225852 100644
--- a/server/base/src/main/java/org/apache/accumulo/server/ServerContext.java
+++ b/server/base/src/main/java/org/apache/accumulo/server/ServerContext.java
@@ -358,7 +358,7 @@ public class ServerContext extends ClientContext {
       log.info("Backing off due to failure; current sleep period is {} seconds", sleep / 1000.);
       sleepUninterruptibly(sleep, TimeUnit.MILLISECONDS);
       /* Back off to give transient failures more time to clear. */
-      sleep = Math.min(60 * 1000, sleep * 2);
+      sleep = Math.min(60_000, sleep * 2);
     }
     log.info("Connected to HDFS");
   }
@@ -434,7 +434,7 @@ public class ServerContext extends ClientContext {
       } catch (Exception t) {
         log.error("", t);
       }
-    }, 1000, 10 * 60 * 1000, TimeUnit.MILLISECONDS);
+    }, 1000, 10 * 60_000, TimeUnit.MILLISECONDS);
   }
 
   /**
diff --git a/server/base/src/main/java/org/apache/accumulo/server/client/BulkImporter.java b/server/base/src/main/java/org/apache/accumulo/server/client/BulkImporter.java
index 314707d..2737cda 100644
--- a/server/base/src/main/java/org/apache/accumulo/server/client/BulkImporter.java
+++ b/server/base/src/main/java/org/apache/accumulo/server/client/BulkImporter.java
@@ -174,9 +174,9 @@ public class BulkImporter {
       for (Entry<Path,List<KeyExtent>> entry : assignmentFailures.entrySet())
         failureCount.put(entry.getKey(), 1);
 
-      long sleepTime = 2 * 1000;
+      long sleepTime = 2_000;
       while (!assignmentFailures.isEmpty()) {
-        sleepTime = Math.min(sleepTime * 2, 60 * 1000);
+        sleepTime = Math.min(sleepTime * 2, 60_000);
         locator.invalidateCache();
         // assumption about assignment failures is that it caused by a split
         // happening or a missing location
diff --git a/server/base/src/main/java/org/apache/accumulo/server/manager/LiveTServerSet.java b/server/base/src/main/java/org/apache/accumulo/server/manager/LiveTServerSet.java
index 440ab77..c58069f 100644
--- a/server/base/src/main/java/org/apache/accumulo/server/manager/LiveTServerSet.java
+++ b/server/base/src/main/java/org/apache/accumulo/server/manager/LiveTServerSet.java
@@ -310,7 +310,7 @@ public class LiveTServerSet implements Watcher {
       Long firstSeen = locklessServers.get(zPath);
       if (firstSeen == null) {
         locklessServers.put(zPath, System.currentTimeMillis());
-      } else if (System.currentTimeMillis() - firstSeen > 10 * 60 * 1000) {
+      } else if (System.currentTimeMillis() - firstSeen > 10 * 60_000) {
         deleteServerNode(path + "/" + zPath);
         locklessServers.remove(zPath);
       }
diff --git a/server/base/src/main/java/org/apache/accumulo/server/master/balancer/DefaultLoadBalancer.java b/server/base/src/main/java/org/apache/accumulo/server/master/balancer/DefaultLoadBalancer.java
index 3f681ff..e60bb67 100644
--- a/server/base/src/main/java/org/apache/accumulo/server/master/balancer/DefaultLoadBalancer.java
+++ b/server/base/src/main/java/org/apache/accumulo/server/master/balancer/DefaultLoadBalancer.java
@@ -352,13 +352,13 @@ public class DefaultLoadBalancer extends TabletBalancer {
       if (migrations.isEmpty()) {
         resetBalancerErrors();
         if (getMigrations(current, migrationsOut))
-          return 1 * 1000;
+          return 1_000;
       } else {
         outstandingMigrations.migrations = migrations;
         constraintNotMet(outstandingMigrations);
       }
     }
-    return 5 * 1000;
+    return 5_000;
   }
 
 }
diff --git a/server/base/src/main/java/org/apache/accumulo/server/master/balancer/HostRegexTableLoadBalancer.java b/server/base/src/main/java/org/apache/accumulo/server/master/balancer/HostRegexTableLoadBalancer.java
index 81167a8..9cfce8c 100644
--- a/server/base/src/main/java/org/apache/accumulo/server/master/balancer/HostRegexTableLoadBalancer.java
+++ b/server/base/src/main/java/org/apache/accumulo/server/master/balancer/HostRegexTableLoadBalancer.java
@@ -176,7 +176,7 @@ public class HostRegexTableLoadBalancer extends TableLoadBalancer {
     }
   }
 
-  private static final long ONE_HOUR = 60 * 60 * 1000;
+  private static final long ONE_HOUR = 60 * 60_000;
   private static final Set<KeyExtent> EMPTY_MIGRATIONS = Collections.emptySet();
   private volatile long lastOOBCheck = System.currentTimeMillis();
   private Map<String,SortedMap<TServerInstance,TabletServerStatus>> pools = new HashMap<>();
@@ -384,7 +384,7 @@ public class HostRegexTableLoadBalancer extends TableLoadBalancer {
   @Override
   public long balance(SortedMap<TServerInstance,TabletServerStatus> current,
       Set<KeyExtent> migrations, List<TabletMigration> migrationsOut) {
-    long minBalanceTime = 20 * 1000;
+    long minBalanceTime = 20_000;
     // Iterate over the tables and balance each of them
     TableOperations t = getTableOperations();
     if (t == null) {
diff --git a/server/base/src/main/java/org/apache/accumulo/server/master/balancer/TableLoadBalancer.java b/server/base/src/main/java/org/apache/accumulo/server/master/balancer/TableLoadBalancer.java
index ca7bfd9..7f02e6c 100644
--- a/server/base/src/main/java/org/apache/accumulo/server/master/balancer/TableLoadBalancer.java
+++ b/server/base/src/main/java/org/apache/accumulo/server/master/balancer/TableLoadBalancer.java
@@ -143,7 +143,7 @@ public class TableLoadBalancer extends TabletBalancer {
   @Override
   public long balance(SortedMap<TServerInstance,TabletServerStatus> current,
       Set<KeyExtent> migrations, List<TabletMigration> migrationsOut) {
-    long minBalanceTime = 5 * 1000;
+    long minBalanceTime = 5_000;
     // Iterate over the tables and balance each of them
     TableOperations t = getTableOperations();
     if (t == null)
diff --git a/server/base/src/main/java/org/apache/accumulo/server/rpc/TServerUtils.java b/server/base/src/main/java/org/apache/accumulo/server/rpc/TServerUtils.java
index f4bc078..eeccf7e 100644
--- a/server/base/src/main/java/org/apache/accumulo/server/rpc/TServerUtils.java
+++ b/server/base/src/main/java/org/apache/accumulo/server/rpc/TServerUtils.java
@@ -158,7 +158,7 @@ public class TServerUtils {
       timeBetweenThreadChecks = config.getTimeInMillis(timeBetweenThreadChecksProperty);
     }
 
-    long maxMessageSize = 10 * 1000 * 1000;
+    long maxMessageSize = 10_000_000;
     if (maxMessageSizeProperty != null) {
       maxMessageSize = config.getAsBytes(maxMessageSizeProperty);
     }
diff --git a/server/base/src/main/java/org/apache/accumulo/server/util/ListInstances.java b/server/base/src/main/java/org/apache/accumulo/server/util/ListInstances.java
index d516539..014eb8f 100644
--- a/server/base/src/main/java/org/apache/accumulo/server/util/ListInstances.java
+++ b/server/base/src/main/java/org/apache/accumulo/server/util/ListInstances.java
@@ -48,7 +48,7 @@ public class ListInstances {
   private static final int UUID_WIDTH = 37;
   private static final int MANAGER_WIDTH = 30;
 
-  private static final int ZOOKEEPER_TIMER_MILLIS = 30 * 1000;
+  private static final int ZOOKEEPER_TIMER_MILLIS = 30_000;
 
   static class Opts extends Help {
     @Parameter(names = "--print-errors", description = "display errors while listing instances")
diff --git a/server/base/src/test/java/org/apache/accumulo/server/security/delegation/AuthenticationTokenKeyManagerTest.java b/server/base/src/test/java/org/apache/accumulo/server/security/delegation/AuthenticationTokenKeyManagerTest.java
index 41eecaa..939d9dd 100644
--- a/server/base/src/test/java/org/apache/accumulo/server/security/delegation/AuthenticationTokenKeyManagerTest.java
+++ b/server/base/src/test/java/org/apache/accumulo/server/security/delegation/AuthenticationTokenKeyManagerTest.java
@@ -65,8 +65,8 @@ public class AuthenticationTokenKeyManagerTest {
 
   @Test
   public void testIntervalNotPassed() {
-    long updateInterval = 5 * 1000L;
-    long tokenLifetime = 100 * 1000L;
+    long updateInterval = 5_000L;
+    long tokenLifetime = 100_000L;
     AuthenticationTokenKeyManager keyManager = new AuthenticationTokenKeyManager(secretManager,
         zooDistributor, updateInterval, tokenLifetime);
 
@@ -86,8 +86,8 @@ public class AuthenticationTokenKeyManagerTest {
 
   @Test
   public void testIntervalHasPassed() throws Exception {
-    long updateInterval = 0 * 1000L;
-    long tokenLifetime = 100 * 1000L;
+    long updateInterval = 0;
+    long tokenLifetime = 100_000L;
     long runTime = 10L;
     SecretKey secretKey = keyGen.generateKey();
 
@@ -138,7 +138,7 @@ public class AuthenticationTokenKeyManagerTest {
 
   }
 
-  @Test(timeout = 30 * 1000)
+  @Test(timeout = 30_000)
   public void testStopLoop() throws InterruptedException {
     final MockManager keyManager = EasyMock.createMockBuilder(MockManager.class)
         .addMockedMethod("_run").addMockedMethod("updateStateFromCurrentKeys").createMock();
@@ -183,8 +183,8 @@ public class AuthenticationTokenKeyManagerTest {
 
   @Test
   public void testExistingKeysAreAddedAtStartup() throws Exception {
-    long updateInterval = 0 * 1000L;
-    long tokenLifetime = 100 * 1000L;
+    long updateInterval = 0;
+    long tokenLifetime = 100_000L;
     SecretKey secretKey1 = keyGen.generateKey(), secretKey2 = keyGen.generateKey();
 
     AuthenticationKey authKey1 = new AuthenticationKey(1, 0, tokenLifetime, secretKey1),
diff --git a/server/base/src/test/java/org/apache/accumulo/server/security/delegation/AuthenticationTokenSecretManagerTest.java b/server/base/src/test/java/org/apache/accumulo/server/security/delegation/AuthenticationTokenSecretManagerTest.java
index 422c9d3..7fcd911 100644
--- a/server/base/src/test/java/org/apache/accumulo/server/security/delegation/AuthenticationTokenSecretManagerTest.java
+++ b/server/base/src/test/java/org/apache/accumulo/server/security/delegation/AuthenticationTokenSecretManagerTest.java
@@ -81,7 +81,7 @@ public class AuthenticationTokenSecretManagerTest {
   @Test
   public void testAddKey() {
     // 1 minute
-    long tokenLifetime = 60 * 1000;
+    long tokenLifetime = 60_000;
     AuthenticationTokenSecretManager secretManager =
         new AuthenticationTokenSecretManager(instanceId, tokenLifetime);
 
@@ -108,7 +108,7 @@ public class AuthenticationTokenSecretManagerTest {
   @Test
   public void testRemoveKey() {
     // 1 minute
-    long tokenLifetime = 60 * 1000;
+    long tokenLifetime = 60_000;
     AuthenticationTokenSecretManager secretManager =
         new AuthenticationTokenSecretManager(instanceId, tokenLifetime);
 
@@ -132,7 +132,7 @@ public class AuthenticationTokenSecretManagerTest {
     long then = System.currentTimeMillis();
 
     // 1 minute
-    long tokenLifetime = 60 * 1000;
+    long tokenLifetime = 60_000;
     AuthenticationTokenSecretManager secretManager =
         new AuthenticationTokenSecretManager(instanceId, tokenLifetime);
 
@@ -176,7 +176,7 @@ public class AuthenticationTokenSecretManagerTest {
     long then = System.currentTimeMillis();
 
     // 1 minute
-    long tokenLifetime = 60 * 1000;
+    long tokenLifetime = 60_000;
     AuthenticationTokenSecretManager secretManager =
         new AuthenticationTokenSecretManager(instanceId, tokenLifetime);
 
@@ -247,7 +247,7 @@ public class AuthenticationTokenSecretManagerTest {
     // start of the test
     long then = System.currentTimeMillis();
 
-    long tokenLifetime = 60 * 1000;
+    long tokenLifetime = 60_000;
     AuthenticationTokenSecretManager secretManager =
         new AuthenticationTokenSecretManager(instanceId, tokenLifetime);
 
@@ -275,7 +275,7 @@ public class AuthenticationTokenSecretManagerTest {
     // start of the test
     long then = System.currentTimeMillis();
 
-    long tokenLifetime = 60 * 1000;
+    long tokenLifetime = 60_000;
     AuthenticationTokenSecretManager secretManager =
         new AuthenticationTokenSecretManager(instanceId, tokenLifetime);
 
@@ -305,7 +305,7 @@ public class AuthenticationTokenSecretManagerTest {
     assertThrows(InvalidToken.class, () -> secretManager.retrievePassword(id));
   }
 
-  @Test(timeout = 20 * 1000)
+  @Test(timeout = 20_000)
   public void testManagerKeyExpiration() throws Exception {
     ZooAuthenticationKeyDistributor keyDistributor =
         createMock(ZooAuthenticationKeyDistributor.class);
@@ -313,7 +313,7 @@ public class AuthenticationTokenSecretManagerTest {
     long then = System.currentTimeMillis();
 
     // 10s lifetime
-    long tokenLifetime = 10 * 1000L;
+    long tokenLifetime = 10_000L;
     AuthenticationTokenSecretManager secretManager =
         new AuthenticationTokenSecretManager(instanceId, tokenLifetime);
 
@@ -363,7 +363,7 @@ public class AuthenticationTokenSecretManagerTest {
     long then = System.currentTimeMillis();
 
     // 1 hr
-    long tokenLifetime = 60 * 60 * 1000;
+    long tokenLifetime = 60 * 60_000;
     AuthenticationTokenSecretManager secretManager =
         new AuthenticationTokenSecretManager(instanceId, tokenLifetime);
 
@@ -399,7 +399,7 @@ public class AuthenticationTokenSecretManagerTest {
     long then = System.currentTimeMillis();
 
     // 1 hr
-    long tokenLifetime = 60 * 60 * 1000;
+    long tokenLifetime = 60 * 60_000;
     AuthenticationTokenSecretManager secretManager =
         new AuthenticationTokenSecretManager(instanceId, tokenLifetime);
 
diff --git a/server/base/src/test/java/org/apache/accumulo/server/security/delegation/ZooAuthenticationKeyWatcherTest.java b/server/base/src/test/java/org/apache/accumulo/server/security/delegation/ZooAuthenticationKeyWatcherTest.java
index 669a0ed..3f830f4 100644
--- a/server/base/src/test/java/org/apache/accumulo/server/security/delegation/ZooAuthenticationKeyWatcherTest.java
+++ b/server/base/src/test/java/org/apache/accumulo/server/security/delegation/ZooAuthenticationKeyWatcherTest.java
@@ -66,7 +66,7 @@ public class ZooAuthenticationKeyWatcherTest {
   private ZooReader zk;
   private InstanceId instanceId;
   private String baseNode;
-  private long tokenLifetime = 7 * 24 * 60 * 60 * 1000; // 7days
+  private long tokenLifetime = 7 * 24 * 60 * 60_000; // 7days
   private AuthenticationTokenSecretManager secretManager;
   private ZooAuthenticationKeyWatcher keyWatcher;
 
diff --git a/server/compactor/src/main/java/org/apache/accumulo/compactor/Compactor.java b/server/compactor/src/main/java/org/apache/accumulo/compactor/Compactor.java
index 8701e33..de435c2 100644
--- a/server/compactor/src/main/java/org/apache/accumulo/compactor/Compactor.java
+++ b/server/compactor/src/main/java/org/apache/accumulo/compactor/Compactor.java
@@ -134,7 +134,7 @@ public class Compactor extends AbstractServer implements MetricsProducer, Compac
 
   private static final Logger LOG = LoggerFactory.getLogger(Compactor.class);
   private static final long TIME_BETWEEN_GC_CHECKS = 5000;
-  private static final long TIME_BETWEEN_CANCEL_CHECKS = 5 * 60 * 1000;
+  private static final long TIME_BETWEEN_CANCEL_CHECKS = 5 * 60_000;
 
   private static final long TEN_MEGABYTES = 10485760;
   private static final CompactionCoordinatorService.Client.Factory COORDINATOR_CLIENT_FACTORY =
diff --git a/server/monitor/src/main/java/org/apache/accumulo/monitor/Monitor.java b/server/monitor/src/main/java/org/apache/accumulo/monitor/Monitor.java
index 6ded0a2..4de7e11 100644
--- a/server/monitor/src/main/java/org/apache/accumulo/monitor/Monitor.java
+++ b/server/monitor/src/main/java/org/apache/accumulo/monitor/Monitor.java
@@ -134,7 +134,7 @@ public class Monitor extends AbstractServer implements HighlyAvailableService {
     return Collections.synchronizedList(new LinkedList<>() {
 
       private static final long serialVersionUID = 1L;
-      private final long maxDelta = 60 * 60 * 1000;
+      private final long maxDelta = 60 * 60_000;
 
       @Override
       public boolean add(Pair<Long,T> obj) {
diff --git a/server/tserver/src/main/java/org/apache/accumulo/tserver/AssignmentHandler.java b/server/tserver/src/main/java/org/apache/accumulo/tserver/AssignmentHandler.java
index fa69abe..1945f26 100644
--- a/server/tserver/src/main/java/org/apache/accumulo/tserver/AssignmentHandler.java
+++ b/server/tserver/src/main/java/org/apache/accumulo/tserver/AssignmentHandler.java
@@ -217,7 +217,7 @@ class AssignmentHandler implements Runnable {
       }
       log.warn("failed to open tablet {} reporting failure to manager", extent);
       server.enqueueManagerMessage(new TabletStatusMessage(TabletLoadState.LOAD_FAILURE, extent));
-      long reschedule = Math.min((1L << Math.min(32, retryAttempt)) * 1000, 10 * 60 * 1000L);
+      long reschedule = Math.min((1L << Math.min(32, retryAttempt)) * 1000, 10 * 60_000L);
       log.warn(String.format("rescheduling tablet load in %.2f seconds", reschedule / 1000.));
       this.server.getContext().getScheduledExecutor().schedule(new Runnable() {
         @Override
diff --git a/server/tserver/src/main/java/org/apache/accumulo/tserver/ThriftClientHandler.java b/server/tserver/src/main/java/org/apache/accumulo/tserver/ThriftClientHandler.java
index d0bd619..bb4efe2 100644
--- a/server/tserver/src/main/java/org/apache/accumulo/tserver/ThriftClientHandler.java
+++ b/server/tserver/src/main/java/org/apache/accumulo/tserver/ThriftClientHandler.java
@@ -166,7 +166,7 @@ public class ThriftClientHandler extends ClientServiceHandler implements TabletC
 
   private static final Logger log = LoggerFactory.getLogger(ThriftClientHandler.class);
   private static final long MAX_TIME_TO_WAIT_FOR_SCAN_RESULT_MILLIS = 1000;
-  private static final long RECENTLY_SPLIT_MILLIES = 60 * 1000;
+  private static final long RECENTLY_SPLIT_MILLIES = 60_000;
   private final TabletServer server;
   private final WriteTracker writeTracker = new WriteTracker();
   private final RowLocks rowLocks = new RowLocks();
diff --git a/server/tserver/src/test/java/org/apache/accumulo/tserver/memory/LargestFirstMemoryManagerTest.java b/server/tserver/src/test/java/org/apache/accumulo/tserver/memory/LargestFirstMemoryManagerTest.java
index 16ee1b4..0216faf 100644
--- a/server/tserver/src/test/java/org/apache/accumulo/tserver/memory/LargestFirstMemoryManagerTest.java
+++ b/server/tserver/src/test/java/org/apache/accumulo/tserver/memory/LargestFirstMemoryManagerTest.java
@@ -43,12 +43,12 @@ public class LargestFirstMemoryManagerTest {
   public Timeout timeout = Timeout.seconds(60);
 
   private static final long ZERO = LargestFirstMemoryManager.ZERO_TIME;
-  private static final long LATER = ZERO + 20 * 60 * 1000;
+  private static final long LATER = ZERO + 20 * 60_000;
   private static final long ONE_GIG = 1024 * 1024 * 1024;
   private static final long ONE_MEG = 1024 * 1024;
   private static final long HALF_GIG = ONE_GIG / 2;
   private static final long QGIG = ONE_GIG / 4;
-  private static final long ONE_MINUTE = 60 * 1000;
+  private static final long ONE_MINUTE = 60_000;
 
   private ServerContext context;
 
@@ -207,7 +207,7 @@ public class LargestFirstMemoryManagerTest {
 
     @Override
     protected long getMinCIdleThreshold(KeyExtent extent) {
-      return 15 * 60 * 1000;
+      return 15 * 60_000;
     }
 
     @Override
diff --git a/start/src/main/java/org/apache/accumulo/start/classloader/vfs/AccumuloReloadingVFSClassLoader.java b/start/src/main/java/org/apache/accumulo/start/classloader/vfs/AccumuloReloadingVFSClassLoader.java
index cf21e5c..2f1baff 100644
--- a/start/src/main/java/org/apache/accumulo/start/classloader/vfs/AccumuloReloadingVFSClassLoader.java
+++ b/start/src/main/java/org/apache/accumulo/start/classloader/vfs/AccumuloReloadingVFSClassLoader.java
@@ -52,7 +52,7 @@ public class AccumuloReloadingVFSClassLoader implements FileListener, ReloadingC
 
   // set to 5 mins. The rationale behind this large time is to avoid a gazillion tservers all asking
   // the name node for info too frequently.
-  private static final int DEFAULT_TIMEOUT = 5 * 60 * 1000;
+  private static final int DEFAULT_TIMEOUT = 5 * 60_000;
 
   private volatile long maxWaitInterval = 60000;
 
diff --git a/test/src/main/java/org/apache/accumulo/test/GarbageCollectWALIT.java b/test/src/main/java/org/apache/accumulo/test/GarbageCollectWALIT.java
index 5687d51..52ce736 100644
--- a/test/src/main/java/org/apache/accumulo/test/GarbageCollectWALIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/GarbageCollectWALIT.java
@@ -70,7 +70,7 @@ public class GarbageCollectWALIT extends ConfigurableMacBase {
       cluster.getClusterControl().start(ServerType.TABLET_SERVER);
       Iterators.size(c.createScanner(MetadataTable.NAME, Authorizations.EMPTY).iterator());
       // let GC run
-      UtilWaitThread.sleep(3 * 5 * 1000);
+      UtilWaitThread.sleep(3 * 5_000);
       assertEquals(2, countWALsInFS(cluster));
     }
   }
diff --git a/test/src/main/java/org/apache/accumulo/test/InterruptibleScannersIT.java b/test/src/main/java/org/apache/accumulo/test/InterruptibleScannersIT.java
index 0533629..98b64ac 100644
--- a/test/src/main/java/org/apache/accumulo/test/InterruptibleScannersIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/InterruptibleScannersIT.java
@@ -60,7 +60,7 @@ public class InterruptibleScannersIT extends AccumuloClusterHarness {
       try (Scanner scanner = client.createScanner(tableName, Authorizations.EMPTY)) {
         final IteratorSetting cfg = new IteratorSetting(100, SlowIterator.class);
         // Wait long enough to be sure we can catch it, but not indefinitely.
-        SlowIterator.setSeekSleepTime(cfg, 60 * 1000);
+        SlowIterator.setSeekSleepTime(cfg, 60_000);
         scanner.addScanIterator(cfg);
         // create a thread to interrupt the slow scan
         final Thread scanThread = Thread.currentThread();
diff --git a/test/src/main/java/org/apache/accumulo/test/LargeSplitRowIT.java b/test/src/main/java/org/apache/accumulo/test/LargeSplitRowIT.java
index b5a4680..6cf9ac8 100644
--- a/test/src/main/java/org/apache/accumulo/test/LargeSplitRowIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/LargeSplitRowIT.java
@@ -120,7 +120,7 @@ public class LargeSplitRowIT extends ConfigurableMacBase {
   }
 
   // Test tablet server split with 250 entries with all the same prefix
-  @Test(timeout = 60 * 1000)
+  @Test(timeout = 60_000)
   public void automaticSplitWith250Same() throws Exception {
     log.info("Automatic with 250 with same prefix");
 
@@ -182,7 +182,7 @@ public class LargeSplitRowIT extends ConfigurableMacBase {
   }
 
   // 10 0's; 10 2's; 10 4's... 10 30's etc
-  @Test(timeout = 60 * 1000)
+  @Test(timeout = 60_000)
   public void automaticSplitWithGaps() throws Exception {
     log.info("Automatic Split With Gaps");
     try (AccumuloClient client = Accumulo.newClient().from(getClientProperties()).build()) {
@@ -191,7 +191,7 @@ public class LargeSplitRowIT extends ConfigurableMacBase {
   }
 
   // 10 0's; 10 1's; 10 2's... 10 15's etc
-  @Test(timeout = 60 * 1000)
+  @Test(timeout = 60_000)
   public void automaticSplitWithoutGaps() throws Exception {
     log.info("Automatic Split Without Gaps");
     try (AccumuloClient client = Accumulo.newClient().from(getClientProperties()).build()) {
@@ -199,7 +199,7 @@ public class LargeSplitRowIT extends ConfigurableMacBase {
     }
   }
 
-  @Test(timeout = 60 * 1000)
+  @Test(timeout = 60_000)
   public void automaticSplitLater() throws Exception {
     log.info("Split later");
     try (AccumuloClient client = Accumulo.newClient().from(getClientProperties()).build()) {
diff --git a/test/src/main/java/org/apache/accumulo/test/ScanFlushWithTimeIT.java b/test/src/main/java/org/apache/accumulo/test/ScanFlushWithTimeIT.java
index 038bce3..847e3f0 100644
--- a/test/src/main/java/org/apache/accumulo/test/ScanFlushWithTimeIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/ScanFlushWithTimeIT.java
@@ -68,7 +68,7 @@ public class ScanFlushWithTimeIT extends AccumuloClusterHarness {
       partitionKeys.add(new Text("5"));
       c.tableOperations().addSplits(tableName, partitionKeys);
       log.info("waiting for zookeeper propagation");
-      UtilWaitThread.sleep(5 * 1000);
+      UtilWaitThread.sleep(5_000);
       log.info("Adding a few entries");
       try (BatchWriter bw = c.createBatchWriter(tableName)) {
         for (int i = 0; i < 10; i++) {
diff --git a/test/src/main/java/org/apache/accumulo/test/compaction/ConfigurableMajorCompactionIT.java b/test/src/main/java/org/apache/accumulo/test/compaction/ConfigurableMajorCompactionIT.java
index cb3ff82..4541441 100644
--- a/test/src/main/java/org/apache/accumulo/test/compaction/ConfigurableMajorCompactionIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/compaction/ConfigurableMajorCompactionIT.java
@@ -93,7 +93,7 @@ public class ConfigurableMajorCompactionIT extends ConfigurableMacBase {
       writeFile(client, tableName);
       writeFile(client, tableName);
       writeFile(client, tableName);
-      UtilWaitThread.sleep(2 * 1000);
+      UtilWaitThread.sleep(2_000);
       assertEquals(4, countFiles(client));
       writeFile(client, tableName);
       int count = countFiles(client);
diff --git a/test/src/main/java/org/apache/accumulo/test/compaction/SplitCancelsMajCIT.java b/test/src/main/java/org/apache/accumulo/test/compaction/SplitCancelsMajCIT.java
index 316b88c..40a48f3 100644
--- a/test/src/main/java/org/apache/accumulo/test/compaction/SplitCancelsMajCIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/compaction/SplitCancelsMajCIT.java
@@ -95,7 +95,7 @@ public class SplitCancelsMajCIT extends SharedMiniClusterBase {
       c.tableOperations().addSplits(tableName, partitionKeys);
       thread.join();
       // wait for the restarted compaction
-      assertTrue(System.currentTimeMillis() - now > 59 * 1000);
+      assertTrue(System.currentTimeMillis() - now > 59_000);
       if (ex.get() != null)
         throw ex.get();
     }
diff --git a/test/src/main/java/org/apache/accumulo/test/functional/BackupManagerIT.java b/test/src/main/java/org/apache/accumulo/test/functional/BackupManagerIT.java
index 518f2fa..bad2777 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/BackupManagerIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/BackupManagerIT.java
@@ -46,7 +46,7 @@ public class BackupManagerIT extends ConfigurableMacBase {
     Process backup = exec(Manager.class);
     try (AccumuloClient client = Accumulo.newClient().from(getClientProperties()).build()) {
       String secret = getCluster().getSiteConfiguration().get(Property.INSTANCE_SECRET);
-      ZooReaderWriter writer = new ZooReaderWriter(cluster.getZooKeepers(), 30 * 1000, secret);
+      ZooReaderWriter writer = new ZooReaderWriter(cluster.getZooKeepers(), 30_000, secret);
       String root = "/accumulo/" + client.instanceOperations().getInstanceId();
       List<String> children;
       // wait for 2 lock entries
diff --git a/test/src/main/java/org/apache/accumulo/test/functional/BalanceAfterCommsFailureIT.java b/test/src/main/java/org/apache/accumulo/test/functional/BalanceAfterCommsFailureIT.java
index 350d0c0..cd24967 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/BalanceAfterCommsFailureIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/BalanceAfterCommsFailureIT.java
@@ -87,7 +87,7 @@ public class BalanceAfterCommsFailureIT extends ConfigurableMacBase {
         assertEquals(0, Runtime.getRuntime()
             .exec(new String[] {"kill", "-SIGSTOP", Integer.toString(pid)}).waitFor());
       }
-      UtilWaitThread.sleep(20 * 1000);
+      UtilWaitThread.sleep(20_000);
       for (int pid : tserverPids) {
         assertEquals(0, Runtime.getRuntime()
             .exec(new String[] {"kill", "-SIGCONT", Integer.toString(pid)}).waitFor());
@@ -99,7 +99,7 @@ public class BalanceAfterCommsFailureIT extends ConfigurableMacBase {
       c.tableOperations().addSplits("test", splits);
       // Ensure all of the tablets are actually assigned
       assertEquals(0, Iterables.size(c.createScanner("test", Authorizations.EMPTY)));
-      UtilWaitThread.sleep(30 * 1000);
+      UtilWaitThread.sleep(30_000);
       checkBalance(c);
     }
   }
diff --git a/test/src/main/java/org/apache/accumulo/test/functional/BalanceInPresenceOfOfflineTableIT.java b/test/src/main/java/org/apache/accumulo/test/functional/BalanceInPresenceOfOfflineTableIT.java
index 01f5d6a..8d319f2 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/BalanceInPresenceOfOfflineTableIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/BalanceInPresenceOfOfflineTableIT.java
@@ -145,7 +145,7 @@ public class BalanceInPresenceOfOfflineTableIT extends AccumuloClusterHarness {
 
     log.debug("waiting for balancing, up to ~5 minutes to allow for migration cleanup.");
     final long startTime = System.currentTimeMillis();
-    long currentWait = 10 * 1000;
+    long currentWait = 10_000;
     boolean balancingWorked = false;
 
     Credentials creds = new Credentials(getAdminPrincipal(), getAdminToken());
diff --git a/test/src/main/java/org/apache/accumulo/test/functional/ClassLoaderIT.java b/test/src/main/java/org/apache/accumulo/test/functional/ClassLoaderIT.java
index f609870..674ab7b 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/ClassLoaderIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/ClassLoaderIT.java
@@ -56,7 +56,7 @@ import org.junit.experimental.categories.Category;
 @Category(MiniClusterOnlyTests.class)
 public class ClassLoaderIT extends AccumuloClusterHarness {
 
-  private static final long ZOOKEEPER_PROPAGATION_TIME = 10 * 1000;
+  private static final long ZOOKEEPER_PROPAGATION_TIME = 10_000;
 
   @Override
   protected int defaultTimeoutSeconds() {
diff --git a/test/src/main/java/org/apache/accumulo/test/functional/ConstraintIT.java b/test/src/main/java/org/apache/accumulo/test/functional/ConstraintIT.java
index ca61f42..a3ee804 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/ConstraintIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/ConstraintIT.java
@@ -66,7 +66,7 @@ public class ConstraintIT extends AccumuloClusterHarness {
       }
 
       // A static sleep to just let ZK do its thing
-      Thread.sleep(10 * 1000);
+      Thread.sleep(10_000);
 
       // Then check that the client has at least gotten the updates
       for (String table : tableNames) {
diff --git a/test/src/main/java/org/apache/accumulo/test/functional/HalfDeadTServerIT.java b/test/src/main/java/org/apache/accumulo/test/functional/HalfDeadTServerIT.java
index 310993f..e0c57da 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/HalfDeadTServerIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/HalfDeadTServerIT.java
@@ -196,7 +196,7 @@ public class HalfDeadTServerIT extends ConfigurableMacBase {
         sleepUninterruptibly(1, TimeUnit.SECONDS);
         client.tableOperations().create("test_ingest");
         assertEquals(1, client.instanceOperations().getTabletServers().size());
-        int rows = 100 * 1000;
+        int rows = 100_000;
         ingest =
             cluster.exec(TestIngest.class, "-c", cluster.getClientPropsPath(), "--rows", rows + "")
                 .getProcess();
diff --git a/test/src/main/java/org/apache/accumulo/test/functional/KerberosIT.java b/test/src/main/java/org/apache/accumulo/test/functional/KerberosIT.java
index 20b7295..28f7808 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/KerberosIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/KerberosIT.java
@@ -622,7 +622,7 @@ public class KerberosIT extends AccumuloITBase {
 
     AuthenticationTokenIdentifier identifier = ((DelegationTokenImpl) dt).getIdentifier();
     assertTrue("Expected identifier to expire in no more than 5 minutes: " + identifier,
-        identifier.getExpirationDate() - identifier.getIssueDate() <= (5 * 60 * 1000));
+        identifier.getExpirationDate() - identifier.getIssueDate() <= (5 * 60_000));
   }
 
   @Test
diff --git a/test/src/main/java/org/apache/accumulo/test/functional/KerberosRenewalIT.java b/test/src/main/java/org/apache/accumulo/test/functional/KerberosRenewalIT.java
index 7cfaaf7..117eb9c 100644
--- a/test/src/main/java/org/apache/accumulo/test/functional/KerberosRenewalIT.java
+++ b/test/src/main/java/org/apache/accumulo/test/functional/KerberosRenewalIT.java
@@ -75,10 +75,10 @@ public class KerberosRenewalIT extends AccumuloITBase {
   private static String krbEnabledForITs = null;
   private static ClusterUser rootUser;
 
-  private static final long TICKET_LIFETIME = 6 * 60 * 1000; // Anything less seems to fail when
-                                                             // generating the ticket
-  private static final long TICKET_TEST_LIFETIME = 8 * 60 * 1000; // Run a test for 8 mins
-  private static final long TEST_DURATION = 9 * 60 * 1000; // The test should finish within 9 mins
+  private static final long TICKET_LIFETIME = 6 * 60_000; // Anything less seems to fail when
+                                                          // generating the ticket
+  private static final long TICKET_TEST_LIFETIME = 8 * 60_000; // Run a test for 8 mins
+  private static final long TEST_DURATION = 9 * 60_000; // The test should finish within 9 mins
 
   @BeforeClass
   public static void startKdc() throws Exception {