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HDFS-11087. NamenodeFsck should check if the output writer is still writable. Contributed by Erik Krogen. 

(cherry picked from commit 98d9e9c4c8)
This commit is contained in:
Erik Krogen 2016-11-13 14:50:33 -08:00 committed by Konstantin V Shvachko
parent 59a3d9a576
commit 3d52459712
1 changed files with 8 additions and 1 deletions
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9
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeFsck.java
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@ -521,7 +521,14 @@ public class NamenodeFsck implements DataEncryptionKeyFactory {
} else {
out.print('.');
}
if (res.totalFiles % 100 == 0) { out.println(); out.flush(); }
if (res.totalFiles % 100 == 0) {
out.println();
// checkError here will attempt to flush the stream, or report an error
// if the stream has encountered an error or been closed by the client
if (out.checkError()) {
throw new IOException("fsck encountered an error in its output stream");
}
}
}
private void collectBlocksSummary(String parent, HdfsFileStatus file, Result res,