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https://issues.apache.org/jira/browse/HDFS-16216?focusedWorklogId=659084&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-659084
]
ASF GitHub Bot logged work on HDFS-16216:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 01/Oct/21 17:16
Start Date: 01/Oct/21 17:16
Worklog Time Spent: 10m
Work Description: goiri commented on a change in pull request #3415:
URL: https://github.com/apache/hadoop/pull/3415#discussion_r720413175
##########
File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterMountTable.java
##########
@@ -356,22 +356,29 @@ public void testGetMountPointStatus() throws IOException {
String child = "testA";
Path childPath = new Path(src, child);
HdfsFileStatus dirStatus =
- clientProtocol.getMountPointStatus(childPath.toString(), 0, 0);
+ clientProtocol.getMountPointStatus(childPath.toString(), 0, 0, true);
assertEquals(child, dirStatus.getLocalName());
String src1 = "/testA";
String child1 = "testB";
Path childPath1 = new Path(src1, child1);
HdfsFileStatus dirStatus1 =
- clientProtocol.getMountPointStatus(childPath1.toString(), 0, 0);
+ clientProtocol.getMountPointStatus(childPath1.toString(), 0, 0, true);
assertEquals(child1, dirStatus1.getLocalName());
String src2 = "/testA/testB";
String child2 = "testC";
Path childPath2 = new Path(src2, child2);
HdfsFileStatus dirStatus2 =
- clientProtocol.getMountPointStatus(childPath2.toString(), 0, 0);
+ clientProtocol.getMountPointStatus(childPath2.toString(), 0, 0, true);
assertEquals(child2, dirStatus2.getLocalName());
+
+ String src3 = "/testA/testB/testC";
+ String child3 = "testD";
+ Path childPath3 = new Path(src3, child3);
+ HdfsFileStatus dirStatus3 =
+ clientProtocol.getMountPointStatus(childPath3.toString(), 0, 0, false);
+ assertTrue(dirStatus3.getLocalName().length() == 0);
Review comment:
assertEquals
##########
File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterClientProtocol.java
##########
@@ -919,10 +919,10 @@ public HdfsFileStatus getFileInfo(String src) throws
IOException {
if (dates != null && dates.containsKey(src)) {
date = dates.get(src);
}
- ret = getMountPointStatus(src, children.size(), date);
+ ret = getMountPointStatus(src, children.size(), date, false);
Review comment:
It looks like false is kind of the exception for this method.
Can we keep the old signature with `true` as the default?
##########
File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterMountTable.java
##########
@@ -356,22 +356,29 @@ public void testGetMountPointStatus() throws IOException {
String child = "testA";
Path childPath = new Path(src, child);
HdfsFileStatus dirStatus =
- clientProtocol.getMountPointStatus(childPath.toString(), 0, 0);
+ clientProtocol.getMountPointStatus(childPath.toString(), 0, 0, true);
assertEquals(child, dirStatus.getLocalName());
String src1 = "/testA";
String child1 = "testB";
Path childPath1 = new Path(src1, child1);
HdfsFileStatus dirStatus1 =
- clientProtocol.getMountPointStatus(childPath1.toString(), 0, 0);
+ clientProtocol.getMountPointStatus(childPath1.toString(), 0, 0, true);
assertEquals(child1, dirStatus1.getLocalName());
String src2 = "/testA/testB";
String child2 = "testC";
Path childPath2 = new Path(src2, child2);
HdfsFileStatus dirStatus2 =
- clientProtocol.getMountPointStatus(childPath2.toString(), 0, 0);
+ clientProtocol.getMountPointStatus(childPath2.toString(), 0, 0, true);
assertEquals(child2, dirStatus2.getLocalName());
+
+ String src3 = "/testA/testB/testC";
+ String child3 = "testD";
+ Path childPath3 = new Path(src3, child3);
+ HdfsFileStatus dirStatus3 =
+ clientProtocol.getMountPointStatus(childPath3.toString(), 0, 0, false);
+ assertTrue(dirStatus3.getLocalName().length() == 0);
Review comment:
I think there's also isEmpty() for the string.
Could we also check for some other attribute other than getLocalName()?
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Issue Time Tracking
-------------------
Worklog Id: (was: 659084)
Time Spent: 1h 20m (was: 1h 10m)
> RBF: Wrong path when get mount point status
> -------------------------------------------
>
> Key: HDFS-16216
> URL: https://issues.apache.org/jira/browse/HDFS-16216
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: zhuobin zheng
> Assignee: zhuobin zheng
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> When we get mount point status, we will get wrong path in file status.
> {code:java}
> // prepare mount env
> hdfs dfsrouteradmin -add /test ns1 /test
> hdfs dfsrouteradmin -add /test/test1/test2/test3 ns1 /test/test1/test2/test3
> {code}
> {code:java}
> // java code
> public class TmpOp {
> public static void main(String[] args) throws Exception {
> Configuration conf = new HdfsConfiguration();
> FileSystem fs = FileSystem.get(conf);
> FileStatus test = fs.getFileStatus(new Path("/test"));
> FileStatus test1 = fs.getFileStatus(new Path("/test/test1"));
> FileStatus test2 = fs.getFileStatus(new Path("/test/test1/test2"));
> System.out.println(test.getPath());
> System.out.println(test1.getPath());
> System.out.println(test2.getPath());
> }
> }
> {code}
>
> {code:java}
> // result
> hdfs://ns1/test/test
> hdfs://ns1/test/test1/test1
> hdfs://ns1/test/test1/test2/test2
> {code}
>
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