HDFS-13916. Distcp SnapshotDiff to support WebHDFS. Contributed by Xun REN.
Signed-off-by: Masatake Iwasaki <iwasakims@apache.org>
This commit is contained in:
Masatake Iwasaki
parent
7c7d02edbd
commit
3788fe52da
@ -26,6 +26,7 @@
|
||||
import org.apache.hadoop.hdfs.DistributedFileSystem;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
|
||||
import org.apache.hadoop.hdfs.web.WebHdfsFileSystem;
|
||||
import org.apache.hadoop.tools.CopyListing.InvalidInputException;
|
||||
|
||||
import java.io.FileNotFoundException;
|
||||
@ -40,7 +41,8 @@
|
||||
/**
|
||||
* This class provides the basic functionality to sync two FileSystems based on
|
||||
* the snapshot diff report. More specifically, we have the following settings:
|
||||
* 1. Both the source and target FileSystem must be DistributedFileSystem
|
||||
* 1. Both the source and target FileSystem must be DistributedFileSystem or
|
||||
* (s)WebHdfsFileSystem
|
||||
* 2. Two snapshots (e.g., s1 and s2) have been created on the source FS.
|
||||
* The diff between these two snapshots will be copied to the target FS.
|
||||
* 3. The target has the same snapshot s1. No changes have been made on the
|
||||
@ -73,7 +75,7 @@ private boolean isRdiff() {
|
||||
/**
|
||||
* Check if three conditions are met before sync.
|
||||
* 1. Only one source directory.
|
||||
* 2. Both source and target file system are DFS.
|
||||
* 2. Both source and target file system are DFS or WebHdfs.
|
||||
* 3. There is no change between from and the current status in target
|
||||
* file system.
|
||||
* Throw exceptions if first two aren't met, and return false to fallback to
|
||||
@ -95,17 +97,22 @@ private boolean preSyncCheck() throws IOException {
|
||||
final Path snapshotDiffDir = isRdiff() ? targetDir : sourceDir;
|
||||
|
||||
// currently we require both the source and the target file system are
|
||||
// DistributedFileSystem.
|
||||
if (!(srcFs instanceof DistributedFileSystem) ||
|
||||
!(tgtFs instanceof DistributedFileSystem)) {
|
||||
throw new IllegalArgumentException("The FileSystems needs to" +
|
||||
" be DistributedFileSystem for using snapshot-diff-based distcp");
|
||||
// DistributedFileSystem or (S)WebHdfsFileSystem.
|
||||
if (!(srcFs instanceof DistributedFileSystem
|
||||
|| srcFs instanceof WebHdfsFileSystem)) {
|
||||
throw new IllegalArgumentException("Unsupported source file system: "
|
||||
+ srcFs.getScheme() + "://. " +
|
||||
"Supported file systems: hdfs://, webhdfs:// and swebhdfs://.");
|
||||
}
|
||||
if (!(tgtFs instanceof DistributedFileSystem
|
||||
|| tgtFs instanceof WebHdfsFileSystem)) {
|
||||
throw new IllegalArgumentException("Unsupported target file system: "
|
||||
+ tgtFs.getScheme() + "://. " +
|
||||
"Supported file systems: hdfs://, webhdfs:// and swebhdfs://.");
|
||||
}
|
||||
|
||||
final DistributedFileSystem targetFs = (DistributedFileSystem) tgtFs;
|
||||
|
||||
// make sure targetFS has no change between from and the current states
|
||||
if (!checkNoChange(targetFs, targetDir)) {
|
||||
if (!checkNoChange(tgtFs, targetDir)) {
|
||||
// set the source path using the snapshot path
|
||||
context.setSourcePaths(Arrays.asList(getSnapshotPath(sourceDir,
|
||||
context.getToSnapshot())));
|
||||
@ -161,23 +168,22 @@ public boolean sync() throws IOException {
|
||||
final Path sourceDir = sourcePaths.get(0);
|
||||
final Path targetDir = context.getTargetPath();
|
||||
final FileSystem tfs = targetDir.getFileSystem(conf);
|
||||
final DistributedFileSystem targetFs = (DistributedFileSystem) tfs;
|
||||
|
||||
Path tmpDir = null;
|
||||
try {
|
||||
tmpDir = createTargetTmpDir(targetFs, targetDir);
|
||||
tmpDir = createTargetTmpDir(tfs, targetDir);
|
||||
DiffInfo[] renameAndDeleteDiffs =
|
||||
getRenameAndDeleteDiffsForSync(targetDir);
|
||||
if (renameAndDeleteDiffs.length > 0) {
|
||||
// do the real sync work: deletion and rename
|
||||
syncDiff(renameAndDeleteDiffs, targetFs, tmpDir);
|
||||
syncDiff(renameAndDeleteDiffs, tfs, tmpDir);
|
||||
}
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
DistCp.LOG.warn("Failed to use snapshot diff for distcp", e);
|
||||
return false;
|
||||
} finally {
|
||||
deleteTargetTmpDir(targetFs, tmpDir);
|
||||
deleteTargetTmpDir(tfs, tmpDir);
|
||||
// TODO: since we have tmp directory, we can support "undo" with failures
|
||||
// set the source path using the snapshot path
|
||||
context.setSourcePaths(Arrays.asList(getSnapshotPath(sourceDir,
|
||||
@ -195,12 +201,22 @@ private boolean getAllDiffs() throws IOException {
|
||||
context.getTargetPath() : context.getSourcePaths().get(0);
|
||||
|
||||
try {
|
||||
DistributedFileSystem fs =
|
||||
(DistributedFileSystem) ssDir.getFileSystem(conf);
|
||||
SnapshotDiffReport report = null;
|
||||
FileSystem fs = ssDir.getFileSystem(conf);
|
||||
final String from = getSnapshotName(context.getFromSnapshot());
|
||||
final String to = getSnapshotName(context.getToSnapshot());
|
||||
SnapshotDiffReport report = fs.getSnapshotDiffReport(ssDir,
|
||||
from, to);
|
||||
if (fs instanceof DistributedFileSystem) {
|
||||
DistributedFileSystem dfs = (DistributedFileSystem)fs;
|
||||
report = dfs.getSnapshotDiffReport(ssDir, from, to);
|
||||
} else if (fs instanceof WebHdfsFileSystem) {
|
||||
WebHdfsFileSystem webHdfs = (WebHdfsFileSystem)fs;
|
||||
report = webHdfs.getSnapshotDiffReport(ssDir, from, to);
|
||||
} else {
|
||||
throw new IllegalArgumentException("Unsupported file system: " +
|
||||
fs.getScheme() + "://. " +
|
||||
"Supported file systems: hdfs://, webhdfs:// and swebhdfs://.");
|
||||
}
|
||||
|
||||
this.diffMap = new EnumMap<>(SnapshotDiffReport.DiffType.class);
|
||||
for (SnapshotDiffReport.DiffType type :
|
||||
SnapshotDiffReport.DiffType.values()) {
|
||||
@ -265,7 +281,7 @@ private Path getSnapshotPath(Path inputDir, String snapshotName) {
|
||||
}
|
||||
}
|
||||
|
||||
private Path createTargetTmpDir(DistributedFileSystem targetFs,
|
||||
private Path createTargetTmpDir(FileSystem targetFs,
|
||||
Path targetDir) throws IOException {
|
||||
final Path tmp = new Path(targetDir,
|
||||
DistCpConstants.HDFS_DISTCP_DIFF_DIRECTORY_NAME + DistCp.rand.nextInt());
|
||||
@ -275,7 +291,7 @@ private Path createTargetTmpDir(DistributedFileSystem targetFs,
|
||||
return tmp;
|
||||
}
|
||||
|
||||
private void deleteTargetTmpDir(DistributedFileSystem targetFs,
|
||||
private void deleteTargetTmpDir(FileSystem targetFs,
|
||||
Path tmpDir) {
|
||||
try {
|
||||
if (tmpDir != null) {
|
||||
@ -290,11 +306,17 @@ private void deleteTargetTmpDir(DistributedFileSystem targetFs,
|
||||
* Compute the snapshot diff on the given file system. Return true if the diff
|
||||
* is empty, i.e., no changes have happened in the FS.
|
||||
*/
|
||||
private boolean checkNoChange(DistributedFileSystem fs, Path path) {
|
||||
private boolean checkNoChange(FileSystem fs, Path path) {
|
||||
try {
|
||||
final String from = getSnapshotName(context.getFromSnapshot());
|
||||
SnapshotDiffReport targetDiff =
|
||||
fs.getSnapshotDiffReport(path, from, "");
|
||||
SnapshotDiffReport targetDiff = null;
|
||||
if (fs instanceof DistributedFileSystem) {
|
||||
DistributedFileSystem dfs = (DistributedFileSystem)fs;
|
||||
targetDiff = dfs.getSnapshotDiffReport(path, from, "");
|
||||
} else {
|
||||
WebHdfsFileSystem webHdfs = (WebHdfsFileSystem)fs;
|
||||
targetDiff = webHdfs.getSnapshotDiffReport(path, from, "");
|
||||
}
|
||||
if (!targetDiff.getDiffList().isEmpty()) {
|
||||
DistCp.LOG.warn("The target has been modified since snapshot "
|
||||
+ context.getFromSnapshot());
|
||||
@ -310,7 +332,7 @@ private boolean checkNoChange(DistributedFileSystem fs, Path path) {
|
||||
}
|
||||
|
||||
private void syncDiff(DiffInfo[] diffs,
|
||||
DistributedFileSystem targetFs, Path tmpDir) throws IOException {
|
||||
FileSystem targetFs, Path tmpDir) throws IOException {
|
||||
moveToTmpDir(diffs, targetFs, tmpDir);
|
||||
moveToTarget(diffs, targetFs);
|
||||
}
|
||||
@ -320,7 +342,7 @@ private void syncDiff(DiffInfo[] diffs,
|
||||
* directory.
|
||||
*/
|
||||
private void moveToTmpDir(DiffInfo[] diffs,
|
||||
DistributedFileSystem targetFs, Path tmpDir) throws IOException {
|
||||
FileSystem targetFs, Path tmpDir) throws IOException {
|
||||
// sort the diffs based on their source paths to make sure the files and
|
||||
// subdirs are moved before moving their parents/ancestors.
|
||||
Arrays.sort(diffs, DiffInfo.sourceComparator);
|
||||
@ -341,7 +363,7 @@ private void moveToTmpDir(DiffInfo[] diffs,
|
||||
* from the tmp dir to the final targets.
|
||||
*/
|
||||
private void moveToTarget(DiffInfo[] diffs,
|
||||
DistributedFileSystem targetFs) throws IOException {
|
||||
FileSystem targetFs) throws IOException {
|
||||
// sort the diffs based on their target paths to make sure the parent
|
||||
// directories are created first.
|
||||
Arrays.sort(diffs, DiffInfo.targetComparator);
|
||||
|
||||
@ -20,6 +20,7 @@
|
||||
import org.apache.hadoop.HadoopIllegalArgumentException;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.FileStatus;
|
||||
import org.apache.hadoop.fs.FileSystem;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.hdfs.DFSTestUtil;
|
||||
import org.apache.hadoop.hdfs.DistributedFileSystem;
|
||||
@ -27,6 +28,9 @@
|
||||
import org.apache.hadoop.hdfs.MiniDFSCluster;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
|
||||
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
|
||||
import org.apache.hadoop.hdfs.web.WebHdfsConstants;
|
||||
import org.apache.hadoop.hdfs.web.WebHdfsFileSystem;
|
||||
import org.apache.hadoop.hdfs.web.WebHdfsTestUtil;
|
||||
import org.apache.hadoop.io.IOUtils;
|
||||
import org.apache.hadoop.io.SequenceFile;
|
||||
import org.apache.hadoop.io.Text;
|
||||
@ -39,7 +43,6 @@
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.FileWriter;
|
||||
import java.io.BufferedWriter;
|
||||
@ -48,12 +51,14 @@
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
public class TestDistCpSync {
|
||||
private MiniDFSCluster cluster;
|
||||
private final Configuration conf = new HdfsConfiguration();
|
||||
private DistributedFileSystem dfs;
|
||||
private WebHdfsFileSystem webfs;
|
||||
private DistCpContext context;
|
||||
private final Path source = new Path("/source");
|
||||
private final Path target = new Path("/target");
|
||||
@ -65,6 +70,9 @@ public void setUp() throws Exception {
|
||||
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(DATA_NUM).build();
|
||||
cluster.waitActive();
|
||||
|
||||
webfs = WebHdfsTestUtil.
|
||||
getWebHdfsFileSystem(conf, WebHdfsConstants.WEBHDFS_SCHEME);
|
||||
|
||||
dfs = cluster.getFileSystem();
|
||||
dfs.mkdirs(source);
|
||||
dfs.mkdirs(target);
|
||||
@ -160,6 +168,10 @@ private boolean sync() throws Exception {
|
||||
* f3 f4
|
||||
*/
|
||||
private void initData(Path dir) throws Exception {
|
||||
initData(dfs, dir);
|
||||
}
|
||||
|
||||
private void initData(FileSystem fs, Path dir) throws Exception {
|
||||
final Path foo = new Path(dir, "foo");
|
||||
final Path bar = new Path(dir, "bar");
|
||||
final Path d1 = new Path(foo, "d1");
|
||||
@ -169,10 +181,10 @@ private void initData(Path dir) throws Exception {
|
||||
final Path f3 = new Path(d1, "f3");
|
||||
final Path f4 = new Path(d2, "f4");
|
||||
|
||||
DFSTestUtil.createFile(dfs, f1, BLOCK_SIZE, DATA_NUM, 0);
|
||||
DFSTestUtil.createFile(dfs, f2, BLOCK_SIZE, DATA_NUM, 0);
|
||||
DFSTestUtil.createFile(dfs, f3, BLOCK_SIZE, DATA_NUM, 0);
|
||||
DFSTestUtil.createFile(dfs, f4, BLOCK_SIZE, DATA_NUM, 0);
|
||||
DFSTestUtil.createFile(fs, f1, BLOCK_SIZE, DATA_NUM, 0);
|
||||
DFSTestUtil.createFile(fs, f2, BLOCK_SIZE, DATA_NUM, 0);
|
||||
DFSTestUtil.createFile(fs, f3, BLOCK_SIZE, DATA_NUM, 0);
|
||||
DFSTestUtil.createFile(fs, f4, BLOCK_SIZE, DATA_NUM, 0);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -192,7 +204,7 @@ private void initData(Path dir) throws Exception {
|
||||
* foo/ f4
|
||||
* f1(new)
|
||||
*/
|
||||
private int changeData(Path dir) throws Exception {
|
||||
private int changeData(FileSystem fs, Path dir) throws Exception {
|
||||
final Path foo = new Path(dir, "foo");
|
||||
final Path bar = new Path(dir, "bar");
|
||||
final Path d1 = new Path(foo, "d1");
|
||||
@ -200,21 +212,21 @@ private int changeData(Path dir) throws Exception {
|
||||
|
||||
final Path bar_d1 = new Path(bar, "d1");
|
||||
int numCreatedModified = 0;
|
||||
dfs.rename(d1, bar_d1);
|
||||
fs.rename(d1, bar_d1);
|
||||
numCreatedModified += 1; // modify ./foo
|
||||
numCreatedModified += 1; // modify ./bar
|
||||
final Path f3 = new Path(bar_d1, "f3");
|
||||
dfs.delete(f3, true);
|
||||
fs.delete(f3, true);
|
||||
final Path newfoo = new Path(bar_d1, "foo");
|
||||
dfs.rename(foo, newfoo);
|
||||
fs.rename(foo, newfoo);
|
||||
numCreatedModified += 1; // modify ./foo/d1
|
||||
final Path f1 = new Path(newfoo, "f1");
|
||||
dfs.delete(f1, true);
|
||||
DFSTestUtil.createFile(dfs, f1, 2 * BLOCK_SIZE, DATA_NUM, 0);
|
||||
fs.delete(f1, true);
|
||||
DFSTestUtil.createFile(fs, f1, 2 * BLOCK_SIZE, DATA_NUM, 0);
|
||||
numCreatedModified += 1; // create ./foo/f1
|
||||
DFSTestUtil.appendFile(dfs, f2, (int) BLOCK_SIZE);
|
||||
DFSTestUtil.appendFile(fs, f2, (int) BLOCK_SIZE);
|
||||
numCreatedModified += 1; // modify ./bar/f2
|
||||
dfs.rename(bar, new Path(dir, "foo"));
|
||||
fs.rename(bar, new Path(dir, "foo"));
|
||||
return numCreatedModified;
|
||||
}
|
||||
|
||||
@ -228,7 +240,7 @@ public void testSync() throws Exception {
|
||||
enableAndCreateFirstSnapshot();
|
||||
|
||||
// make changes under source
|
||||
int numCreatedModified = changeData(source);
|
||||
int numCreatedModified = changeData(dfs, source);
|
||||
dfs.createSnapshot(source, "s2");
|
||||
|
||||
// before sync, make some further changes on source. this should not affect
|
||||
@ -295,23 +307,51 @@ private Map<Text, CopyListingFileStatus> getListing(Path listingPath)
|
||||
return values;
|
||||
}
|
||||
|
||||
/**
|
||||
* By default, we are using DFS for both source and target.
|
||||
* @param s source file status
|
||||
* @param t target file status
|
||||
* @param compareName whether will we compare the name of the files
|
||||
* @throws Exception
|
||||
*/
|
||||
private void verifyCopy(FileStatus s, FileStatus t, boolean compareName)
|
||||
throws Exception {
|
||||
verifyCopy(dfs, dfs, s, t, compareName);
|
||||
}
|
||||
|
||||
/**
|
||||
* Verify copy by using different file systems.
|
||||
* @param sfs source file system
|
||||
* @param tfs target file system
|
||||
* @param s source file status
|
||||
* @param t target file status
|
||||
* @param compareName whether will we compare the name of the files
|
||||
* @throws Exception
|
||||
*/
|
||||
private void verifyCopyByFs(FileSystem sfs, FileSystem tfs,
|
||||
FileStatus s, FileStatus t, boolean compareName)
|
||||
throws Exception {
|
||||
verifyCopy(sfs, tfs, s, t, compareName);
|
||||
}
|
||||
|
||||
private void verifyCopy(FileSystem sfs, FileSystem tfs,
|
||||
FileStatus s, FileStatus t, boolean compareName)
|
||||
throws Exception {
|
||||
Assert.assertEquals(s.isDirectory(), t.isDirectory());
|
||||
if (compareName) {
|
||||
Assert.assertEquals(s.getPath().getName(), t.getPath().getName());
|
||||
}
|
||||
if (!s.isDirectory()) {
|
||||
// verify the file content is the same
|
||||
byte[] sbytes = DFSTestUtil.readFileBuffer(dfs, s.getPath());
|
||||
byte[] tbytes = DFSTestUtil.readFileBuffer(dfs, t.getPath());
|
||||
byte[] sbytes = DFSTestUtil.readFileBuffer(sfs, s.getPath());
|
||||
byte[] tbytes = DFSTestUtil.readFileBuffer(tfs, t.getPath());
|
||||
Assert.assertArrayEquals(sbytes, tbytes);
|
||||
} else {
|
||||
FileStatus[] slist = dfs.listStatus(s.getPath());
|
||||
FileStatus[] tlist = dfs.listStatus(t.getPath());
|
||||
FileStatus[] slist = sfs.listStatus(s.getPath());
|
||||
FileStatus[] tlist = tfs.listStatus(t.getPath());
|
||||
Assert.assertEquals(slist.length, tlist.length);
|
||||
for (int i = 0; i < slist.length; i++) {
|
||||
verifyCopy(slist[i], tlist[i], true);
|
||||
verifyCopy(sfs, tfs, slist[i], tlist[i], true);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -333,7 +373,7 @@ public void testSyncWithCurrent() throws Exception {
|
||||
enableAndCreateFirstSnapshot();
|
||||
|
||||
// make changes under source
|
||||
changeData(source);
|
||||
changeData(dfs, source);
|
||||
|
||||
// do the sync
|
||||
sync();
|
||||
@ -907,4 +947,84 @@ public void testSync11() throws Exception {
|
||||
deleteFilterFile(filterFile);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Test DistCp ues diff option under (s)WebHDFSFileSyste.
|
||||
* In this test, we are using DFS as source and WebHDFS as target
|
||||
*/
|
||||
@Test
|
||||
public void testSyncSnapshotDiffWithWebHdfs1() throws Exception {
|
||||
Path dfsSource = new Path(dfs.getUri().toString(), source);
|
||||
Path webHdfsTarget = new Path(webfs.getUri().toString(), target);
|
||||
|
||||
snapshotDiffWithPaths(dfsSource, webHdfsTarget);
|
||||
}
|
||||
|
||||
/**
|
||||
* Test DistCp ues diff option under (s)WebHDFSFileSyste.
|
||||
* In this test, we are using WebHDFS as source and DFS as target
|
||||
*/
|
||||
@Test
|
||||
public void testSyncSnapshotDiffWithWebHdfs2() throws Exception {
|
||||
Path webHdfsSource = new Path(webfs.getUri().toString(), source);
|
||||
Path dfsTarget = new Path(dfs.getUri().toString(), target);
|
||||
|
||||
snapshotDiffWithPaths(webHdfsSource, dfsTarget);
|
||||
}
|
||||
|
||||
/**
|
||||
* Test DistCp ues diff option under (s)WebHDFSFileSyste.
|
||||
* In this test, we are using WebHDFS for both source and target
|
||||
*/
|
||||
@Test
|
||||
public void testSyncSnapshotDiffWithWebHdfs3() throws Exception {
|
||||
Path webHdfsSource = new Path(webfs.getUri().toString(), source);
|
||||
Path webHdfsTarget = new Path(webfs.getUri().toString(), target);
|
||||
|
||||
snapshotDiffWithPaths(webHdfsSource, webHdfsTarget);
|
||||
}
|
||||
|
||||
private void snapshotDiffWithPaths(Path sourceFSPath,
|
||||
Path targetFSPath) throws Exception {
|
||||
|
||||
FileSystem sourceFS = sourceFSPath.getFileSystem(conf);
|
||||
FileSystem targetFS = targetFSPath.getFileSystem(conf);
|
||||
|
||||
// Initialize both source and target file system
|
||||
initData(sourceFS, sourceFSPath);
|
||||
initData(targetFS, targetFSPath);
|
||||
|
||||
// create snapshots on both source and target side with the same name
|
||||
List<Path> paths = Arrays.asList(sourceFSPath, targetFSPath);
|
||||
for (Path path: paths) {
|
||||
FileSystem fs = path.getFileSystem(conf);
|
||||
if (fs instanceof DistributedFileSystem) {
|
||||
((DistributedFileSystem)fs).allowSnapshot(path);
|
||||
} else if (fs instanceof WebHdfsFileSystem) {
|
||||
((WebHdfsFileSystem)fs).allowSnapshot(path);
|
||||
} else {
|
||||
throw new IOException("Unsupported fs: " + fs.getScheme());
|
||||
}
|
||||
fs.createSnapshot(path, "s1");
|
||||
}
|
||||
|
||||
// do some modification on source side
|
||||
changeData(sourceFS, sourceFSPath);
|
||||
|
||||
// create a new snapshot on source side
|
||||
sourceFS.createSnapshot(sourceFSPath, "s2");
|
||||
|
||||
//try to copy the difference
|
||||
final DistCpOptions options = new DistCpOptions.Builder(
|
||||
Collections.singletonList(sourceFSPath), targetFSPath)
|
||||
.withUseDiff("s1", "s2")
|
||||
.withSyncFolder(true)
|
||||
.build();
|
||||
options.appendToConf(conf);
|
||||
|
||||
new DistCp(conf, options).execute();
|
||||
|
||||
verifyCopyByFs(sourceFS, targetFS, sourceFS.getFileStatus(sourceFSPath),
|
||||
targetFS.getFileStatus(targetFSPath), false);
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user