tomscut commented on a change in pull request #3615:
URL: https://github.com/apache/hadoop/pull/3615#discussion_r746290325
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File path:
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java
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@@ -1003,7 +1003,7 @@ private LocatedBlock refetchLocations(LocatedBlock block,
String description = "Could not obtain block: " + blockInfo;
DFSClient.LOG.warn(description + errMsg
Review comment:
Thanks @ferhui for your comments. In some cases, such as Presto, only
show exception msg on the web UI. If we want to know those dn info, we need to
look for the log file, It's a bit of a hassle.
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