rmdmattingly commented on code in PR #5192:
URL: https://github.com/apache/hbase/pull/5192#discussion_r1178409247


##########
hbase-client/src/main/java/org/apache/hadoop/hbase/quotas/RpcThrottlingException.java:
##########
@@ -130,29 +129,64 @@ public static void throwWriteCapacityUnitExceeded(final 
long waitInterval)
 
   private static void throwThrottlingException(final Type type, final long 
waitInterval)
     throws RpcThrottlingException {
-    String msg = MSG_TYPE[type.ordinal()] + MSG_WAIT + 
StringUtils.formatTime(waitInterval);
+    String msg = MSG_TYPE[type.ordinal()] + MSG_WAIT + 
stringFromMillis(waitInterval);
     throw new RpcThrottlingException(type, waitInterval, msg);
   }
 
-  private static long timeFromString(String timeDiff) {
-    Pattern[] patterns = new Pattern[] { 
Pattern.compile("^(\\d+\\.\\d\\d)sec"),
-      Pattern.compile("^(\\d+)mins, (\\d+\\.\\d\\d)sec"),
-      Pattern.compile("^(\\d+)hrs, (\\d+)mins, (\\d+\\.\\d\\d)sec") };
+  // Visible for TestRpcThrottlingException
+  protected static String stringFromMillis(long millis) {
+    StringBuilder buf = new StringBuilder();
+    long hours = millis / (60 * 60 * 1000);
+    long rem = (millis % (60 * 60 * 1000));
+    long minutes = rem / (60 * 1000);
+    rem = rem % (60 * 1000);
+    long seconds = rem / 1000;
+    long milliseconds = rem % 1000;
 
+    if (hours != 0) {
+      buf.append(hours);
+      buf.append("hrs, ");
+    }
+    if (minutes != 0) {
+      buf.append(minutes);
+      buf.append("mins, ");
+    }
+    if (seconds != 0) {
+      buf.append(seconds);
+      buf.append("sec, ");
+    }
+    buf.append(milliseconds);
+    buf.append("ms");
+    return buf.toString();
+  }
+
+  // Visible for TestRpcThrottlingException
+  protected static long timeFromString(String timeDiff) {
+    Pattern[] patterns = new Pattern[] { Pattern.compile("^(\\d+)ms"),
+      Pattern.compile("^(\\d+)sec, (\\d+)ms"), Pattern.compile("^(\\d+)mins, 
(\\d+)sec, (\\d+)ms"),

Review Comment:
   yeah, good idea



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