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HDFS-5956. A file size is multiplied by the replication factor in 'hdfs oiv -p FileDistribution' option. Contributed by Akira Ajisaka. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1573078 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Haohui Mai 2014-02-28 21:07:03 +00:00
parent 44c5c778f0
commit fec1e2eed9
3 changed files with 29 additions and 5 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -511,6 +511,9 @@ Release 2.4.0 - UNRELEASED
HDFS-5821. TestHDFSCLI fails for user names with the dash character.
(Gera Shegalov via Arpit Agarwal)
HDFS-5956. A file size is multiplied by the replication factor in 'hdfs oiv
-p FileDistribution' option. (Akira Ajisaka via wheat9)
BREAKDOWN OF HDFS-5698 SUBTASKS AND RELATED JIRAS
HDFS-5717. Save FSImage header in protobuf. (Haohui Mai via jing9)

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/FileDistributionCalculator.java
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@ -123,10 +123,10 @@ final class FileDistributionCalculator {
totalBlocks += f.getBlocksCount();
long fileSize = 0;
for (BlockProto b : f.getBlocksList()) {
fileSize += b.getNumBytes() * f.getReplication();
fileSize += b.getNumBytes();
}
maxFileSize = Math.max(fileSize, maxFileSize);
totalSpace += fileSize;
totalSpace += fileSize * f.getReplication();
int bucket = fileSize > maxSize ? distribution.length - 1 : (int) Math
.ceil((double)fileSize / steps);

27
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/TestOfflineImageViewer.java
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@ -28,6 +28,8 @@ import java.io.PrintWriter;
import java.io.RandomAccessFile;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -241,7 +243,7 @@ public class TestOfflineImageViewer {
}
@Test
public void testFileDistributionVisitor() throws IOException {
public void testFileDistributionCalculator() throws IOException {
StringWriter output = new StringWriter();
PrintWriter o = new PrintWriter(output);
new FileDistributionCalculator(new Configuration(), 0, 0, o)
@ -250,10 +252,29 @@ public class TestOfflineImageViewer {
Pattern p = Pattern.compile("totalFiles = (\\d+)\n");
Matcher matcher = p.matcher(output.getBuffer());
assertTrue(matcher.find() && matcher.groupCount() == 1);
int totalFiles = Integer.parseInt(matcher.group(1));
assertEquals(totalFiles, NUM_DIRS * FILES_PER_DIR);
assertEquals(NUM_DIRS * FILES_PER_DIR, totalFiles);
p = Pattern.compile("totalDirectories = (\\d+)\n");
matcher = p.matcher(output.getBuffer());
assertTrue(matcher.find() && matcher.groupCount() == 1);
int totalDirs = Integer.parseInt(matcher.group(1));
// totalDirs includes root directory
assertEquals(NUM_DIRS + 1, totalDirs);
FileStatus maxFile = Collections.max(writtenFiles.values(),
new Comparator<FileStatus>() {
@Override
public int compare(FileStatus first, FileStatus second) {
return first.getLen() < second.getLen() ? -1 :
((first.getLen() == second.getLen()) ? 0 : 1);
}
});
p = Pattern.compile("maxFileSize = (\\d+)\n");
matcher = p.matcher(output.getBuffer());
assertTrue(matcher.find() && matcher.groupCount() == 1);
assertEquals(maxFile.getLen(), Long.parseLong(matcher.group(1)));
}
@Test