Hexiaoqiao commented on code in PR #7859:
URL: https://github.com/apache/hadoop/pull/7859#discussion_r2262350097
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hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/FileInputFormat.java:
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@@ -369,6 +369,9 @@ public InputSplit[] getSplits(JobConf job, int numSplits)
} else {
blkLocations = fs.getFileBlockLocations(file, 0, length);
}
+ if (blkLocations.length == 0){
Review Comment:
Thanks for your contributions. Just wonder why it will meet `length != 0`
but `blkLocations.length == 0`, some corner case that lead inconsistent
metadata of NameNode?
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