[Bug][SnowFlakeUtils] fix snowFlake bug (#6744)

* fix snowFlake bug

* fix hash machine

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/SnowFlakeUtils.java

@@ -24,13 +24,13 @@ import java.util.Objects;
 public class SnowFlakeUtils {
     // start timestamp
     private static final long START_TIMESTAMP = 1609430400000L; //2021-01-01 00:00:00
-    // Number of digits
+    // Each machine generates 32 in the same millisecond
-    private static final long SEQUENCE_BIT = 13;
+    private static final long SEQUENCE_BIT = 5;
     private static final long MACHINE_BIT = 2;
     private static final long MAX_SEQUENCE = ~(-1L << SEQUENCE_BIT);
     // The displacement to the left
-    private static final long MACHINE_LEFT = SEQUENCE_BIT;
+    private static final long MACHINE_LEFT = SEQUENCE_BIT + MACHINE_BIT;
-    private static final long TIMESTAMP_LEFT = SEQUENCE_BIT + MACHINE_BIT;
+    private static final long TIMESTAMP_LEFT = SEQUENCE_BIT + MACHINE_BIT + MACHINE_LEFT;
     private final int machineId;
     private long sequence = 0L;
     private long lastTimestamp = -1L;
@@ -40,7 +40,7 @@ public class SnowFlakeUtils {
 
     private SnowFlakeUtils() throws SnowFlakeException {
         try {
-            this.machineId = Math.abs(Objects.hash(InetAddress.getLocalHost().getHostName())) % 32;
+            this.machineId = Math.abs(Objects.hash(InetAddress.getLocalHost().getHostName())) % 4;
         } catch (UnknownHostException e) {
             throw new SnowFlakeException(e.getMessage());
         }

dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/SnowFlakeUtilsTest.java

@@ -23,7 +23,8 @@ public class SnowFlakeUtilsTest {
     @Test
     public void testNextId() {
         try {
-            for (int i = 0; i < 5; i++) {
+            for (int i = 0; i < 100; i++) {
+                Thread.sleep(1);
                 System.out.println(SnowFlakeUtils.getInstance().nextId());
             }
         } catch (Exception e) {