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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2022/11/19 13:28:57 UTC

[GitHub] [hadoop] tomscut commented on a diff in pull request #5145: HDFS-16847: Prevents StateStoreFileSystemImpl from committing tmp file after encountering an IOException.

tomscut commented on code in PR #5145:
URL: https://github.com/apache/hadoop/pull/5145#discussion_r1027090205


##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/store/driver/impl/StateStoreFileSystemImpl.java:
##########
@@ -82,17 +82,8 @@ protected boolean mkdir(String path) {
   @Override
   protected boolean rename(String src, String dst) {
     try {
-      if (fs instanceof DistributedFileSystem) {
-        DistributedFileSystem dfs = (DistributedFileSystem)fs;
-        dfs.rename(new Path(src), new Path(dst), Options.Rename.OVERWRITE);
-        return true;
-      } else {
-        // Replace should be atomic but not available
-        if (fs.exists(new Path(dst))) {
-          fs.delete(new Path(dst), true);
-        }
-        return fs.rename(new Path(src), new Path(dst));
-      }
+      FileUtil.rename(fs, new Path(src), new Path(dst), Options.Rename.OVERWRITE);

Review Comment:
   Hi @simbadzina , can you explain why we changed it here? Thanks.



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