[GitHub] [carbondata] jackylk commented on a change in pull request #3435: [CARBONDATA-3571] Add table status file read retry for query

[GitBox]

jackylk commented on a change in pull request #3435: [CARBONDATA-3571] Add table status file read retry for query
URL: https://github.com/apache/carbondata/pull/3435#discussion_r346809819
 
 

 ##########
 File path: core/src/main/java/org/apache/carbondata/core/statusmanager/SegmentStatusManager.java
 ##########
 @@ -254,33 +261,51 @@ public ValidAndInvalidSegmentsInfo getValidAndInvalidSegments(Boolean isChildTab
     DataInputStream dataInputStream = null;
     BufferedReader buffReader = null;
     InputStreamReader inStream = null;
-    LoadMetadataDetails[] listOfLoadFolderDetailsArray;
+    LoadMetadataDetails[] loadFolderDetails = null;
     AtomicFileOperations fileOperation =
         AtomicFileOperationFactory.getAtomicFileOperations(tableStatusPath);
 
-    try {
-      if (!FileFactory.isFileExist(tableStatusPath, FileFactory.getFileType(tableStatusPath))) {
-        return new LoadMetadataDetails[0];
+    // When storing table status file in object store, reading of table status file may
+    // fail (receive EOFException) when table status file is being modifying
+    // so here we retry multiple times before throwing EOFException
+    int retry = READ_TABLE_STATUS_RETRY_COUNT;
+    while (retry > 0) {
+      try {
+        if (!FileFactory.isFileExist(tableStatusPath, FileFactory.getFileType(tableStatusPath))) {
 
 Review comment:
   Yes, we can. I move this checking before the while loop

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
[hidden email]


With regards,
Apache Git Services