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Posted to common-commits@hadoop.apache.org by he...@apache.org on 2020/10/30 09:08:40 UTC
[hadoop] 12/17: HDFS-15461. TestDFSClientRetries
testGetFileChecksum fails (#2404)
This is an automated email from the ASF dual-hosted git repository.
hexiaoqiao pushed a commit to branch branch-3.2.2
in repository https://gitbox.apache.org/repos/asf/hadoop.git
commit 8469c385e8016a146f0ddd65b4201bad2529b4ec
Author: Ahmed Hussein <50...@users.noreply.github.com>
AuthorDate: Tue Oct 27 02:56:30 2020 -0500
HDFS-15461. TestDFSClientRetries testGetFileChecksum fails (#2404)
Co-authored-by: ahussein <ah...@verizonmedia.com>
(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);
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