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commit 8469c385e8016a146f0ddd65b4201bad2529b4ec Author: Ahmed Hussein <[email protected]> AuthorDate: Tue Oct 27 02:56:30 2020 -0500 HDFS-15461. TestDFSClientRetries testGetFileChecksum fails (#2404) Co-authored-by: ahussein <[email protected]> (cherry picked from commit afaab3d3325e0b454475fa01cc50f68007b0e15c) --- .../java/org/apache/hadoop/hdfs/TestDFSClientRetries.java | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientRetries.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientRetries.java index 7e939a7..6b7ce75 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientRetries.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientRetries.java @@ -846,14 +846,18 @@ public class TestDFSClientRetries { public void testGetFileChecksum() throws Exception { final String f = "/testGetFileChecksum"; final Path p = new Path(f); - - final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build(); + // HDFS-15461: the number of datanode is higher than the number of replicas. + // That way when a DN fails, the pipeline can recover. + final int numReplicas = 3; + final int numDatanodes = numReplicas + 1; + final MiniDFSCluster cluster = + new MiniDFSCluster.Builder(conf).numDataNodes(numDatanodes).build(); try { cluster.waitActive(); - //create a file + // create a file final FileSystem fs = cluster.getFileSystem(); - DFSTestUtil.createFile(fs, p, 1L << 20, (short)3, 20100402L); + DFSTestUtil.createFile(fs, p, 1L << 20, (short) numReplicas, 20100402L); //get checksum final FileChecksum cs1 = fs.getFileChecksum(p); --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
