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https://issues.apache.org/jira/browse/HADOOP-18606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17696718#comment-17696718
 ] 

ASF GitHub Bot commented on HADOOP-18606:
-----------------------------------------

saxenapranav commented on code in PR #5299:
URL: https://github.com/apache/hadoop/pull/5299#discussion_r1125997865


##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/RetryReason.java:
##########
@@ -0,0 +1,102 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.fs.azurebfs.services;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import 
org.apache.hadoop.fs.azurebfs.services.retryReasonCategories.ClientErrorRetryReason;
+import 
org.apache.hadoop.fs.azurebfs.services.retryReasonCategories.ConnectionResetRetryReason;
+import 
org.apache.hadoop.fs.azurebfs.services.retryReasonCategories.ConnectionTimeoutRetryReason;
+import 
org.apache.hadoop.fs.azurebfs.services.retryReasonCategories.ReadTimeoutRetryReason;
+import 
org.apache.hadoop.fs.azurebfs.services.retryReasonCategories.RetryReasonCategory;
+import 
org.apache.hadoop.fs.azurebfs.services.retryReasonCategories.ServerErrorRetryReason;
+import 
org.apache.hadoop.fs.azurebfs.services.retryReasonCategories.UnknownHostRetryReason;
+import 
org.apache.hadoop.fs.azurebfs.services.retryReasonCategories.UnknownIOExceptionRetryReason;
+import 
org.apache.hadoop.fs.azurebfs.services.retryReasonCategories.UnknownSocketExceptionRetryReason;
+
+
+/**
+ * This utility class exposes methods to convert a server response-error to a
+ * category of error.
+ * */

Review Comment:
   Have fixed the javadoc ending to `*/` in all the changed code-pieces.





> Add reason in in x-ms-client-request-id on a retry API call.
> ------------------------------------------------------------
>
>                 Key: HADOOP-18606
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18606
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/azure
>            Reporter: Pranav Saxena
>            Assignee: Pranav Saxena
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>
> In the header, x-ms-client-request-id contains informaiton on what retry this 
> particular API call is: for ex: 
> :eb06d8f6-5693-461b-b63c-5858fa7655e6:29cb0d19-2b68-4409-bc35-cb7160b90dd8:::CF:1.
> We want to add the reason for the retry in the header_value:Now the same 
> header would include retry reason in case its not the 0th iteration of the 
> API operation. It would be like
> :eb06d8f6-5693-461b-b63c-5858fa7655e6:29cb0d19-2b68-4409-bc35-cb7160b90dd8:::CF:1_RT.
>  This corresponds that its retry number 1. The 0th iteration was failed due 
> to read timeout.



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