[hadoop] branch branch-3.1 updated: [HDFS-10498] Intermittent test failure TestSnapshotFileLength.testSnapshotFileLength. Contributed by Jim Brennan.

[jb...@apache.org]

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The following commit(s) were added to refs/heads/branch-3.1 by this push:
     new 7943b31  [HDFS-10498] Intermittent test failure TestSnapshotFileLength.testSnapshotFileLength. Contributed by Jim Brennan.
7943b31 is described below

commit 7943b31c29750610a388788a279f4d90e47c849c
Author: Jim Brennan <jb...@apache.org>
AuthorDate: Thu Jan 28 16:47:52 2021 +0000

    [HDFS-10498] Intermittent test failure TestSnapshotFileLength.testSnapshotFileLength. Contributed by Jim Brennan.
    
    (cherry picked from commit 6184ab07f670c181d1fda99e76729e920fff287e)
---
 .../hadoop/hdfs/server/namenode/snapshot/TestSnapshotFileLength.java     | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotFileLength.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotFileLength.java
index 90e499d..814da03 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotFileLength.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotFileLength.java
@@ -128,6 +128,7 @@ public class TestSnapshotFileLength {
         hdfs.getFileChecksum(file1snap1), is(snapChksum1));
     try {
       AppendTestUtil.write(out, 0, toAppend);
+      out.hflush();
       // Test reading from snapshot of file that is open for append
       byte[] dataFromSnapshot = DFSTestUtil.readFileBuffer(hdfs, file1snap1);
       assertThat("Wrong data size in snapshot.",


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