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HDFS-5561. FSNameSystem#getNameJournalStatus() in JMX should return plain text instead of HTML. Contributed by Haohui Mai. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1545791 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jing Zhao 2013-11-26 19:28:09 +00:00
parent 82ff2d3f2e
commit 740cf232bd
12 changed files with 68 additions and 48 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -542,6 +542,9 @@ Release 2.3.0 - UNRELEASED
HDFS-5525. Inline dust templates for new Web UI. (Haohui Mai via jing9)
HDFS-5561. FSNameSystem#getNameJournalStatus() in JMX should return plain
text instead of HTML. (Haohui Mai via jing9)
OPTIMIZATIONS
HDFS-5239. Allow FSNamesystem lock fairness to be configurable (daryn)

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/client/AsyncLogger.java
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@ -150,5 +150,5 @@ interface AsyncLogger {
* Append an HTML-formatted report for this logger's status to the provided
* StringBuilder. This is displayed on the NN web UI.
*/
public void appendHtmlReport(StringBuilder sb);
public void appendReport(StringBuilder sb);
}

20
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/client/AsyncLoggerSet.java
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@ -31,7 +31,6 @@ import org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.PrepareRe
import org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.SegmentStateProto;
import org.apache.hadoop.hdfs.server.protocol.NamespaceInfo;
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLogManifest;
import org.apache.jasper.compiler.JspUtil;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Joiner;
@ -177,17 +176,16 @@ class AsyncLoggerSet {
* state of the underlying loggers.
* @param sb the StringBuilder to append to
*/
void appendHtmlReport(StringBuilder sb) {
sb.append("<table class=\"storage\">");
sb.append("<thead><tr><td>JN</td><td>Status</td></tr></thead>\n");
for (AsyncLogger l : loggers) {
sb.append("<tr>");
sb.append("<td>" + JspUtil.escapeXml(l.toString()) + "</td>");
sb.append("<td>");
l.appendHtmlReport(sb);
sb.append("</td></tr>\n");
void appendReport(StringBuilder sb) {
for (int i = 0, len = loggers.size(); i < len; ++i) {
AsyncLogger l = loggers.get(i);
if (i != 0) {
sb.append(", ");
}
sb.append(l).append(" (");
l.appendReport(sb);
sb.append(")");
}
sb.append("</table>");
}
/**

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/client/IPCLoggerChannel.java
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@ -569,7 +569,7 @@ public class IPCLoggerChannel implements AsyncLogger {
}
@Override
public synchronized void appendHtmlReport(StringBuilder sb) {
public synchronized void appendReport(StringBuilder sb) {
sb.append("Written txid ").append(highestAckedTxId);
long behind = getLagTxns();
if (behind > 0) {

6
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/client/QuorumOutputStream.java
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@ -114,10 +114,10 @@ class QuorumOutputStream extends EditLogOutputStream {
}
@Override
public String generateHtmlReport() {
public String generateReport() {
StringBuilder sb = new StringBuilder();
sb.append("Writing segment beginning at txid " + segmentTxId + "<br/>\n");
loggers.appendHtmlReport(sb);
sb.append("Writing segment beginning at txid " + segmentTxId + ". \n");
loggers.appendReport(sb);
return sb.toString();
}

7
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EditLogOutputStream.java
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@ -24,7 +24,6 @@ import static org.apache.hadoop.util.Time.now;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.jasper.compiler.JspUtil;
/**
* A generic abstract class to support journaling of edits logs into
@ -141,10 +140,10 @@ public abstract class EditLogOutputStream implements Closeable {
}
/**
* @return a short HTML snippet suitable for describing the current
* @return a short text snippet suitable for describing the current
* status of the stream
*/
public String generateHtmlReport() {
return JspUtil.escapeXml(this.toString());
public String generateReport() {
return toString();
}
}

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
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@ -6635,7 +6635,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
} else if (openForWrite) {
EditLogOutputStream elos = jas.getCurrentStream();
if (elos != null) {
jasMap.put("stream", elos.generateHtmlReport());
jasMap.put("stream", elos.generateReport());
} else {
jasMap.put("stream", "not currently writing");
}

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeJspHelper.java
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@ -340,7 +340,7 @@ class NamenodeJspHelper {
} else if (openForWrite) {
EditLogOutputStream elos = jas.getCurrentStream();
if (elos != null) {
out.println(elos.generateHtmlReport());
out.println(elos.generateReport());
} else {
out.println("not currently writing");
}

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/client/TestIPCLoggerChannel.java
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@ -91,7 +91,6 @@ public class TestIPCLoggerChannel {
*/
@Test
public void testQueueLimiting() throws Exception {
// Block the underlying fake proxy from actually completing any calls.
DelayAnswer delayer = new DelayAnswer(LOG);
Mockito.doAnswer(delayer).when(mockProxy).journal(

14
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/client/TestQuorumJournalManagerUnit.java
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@ -25,6 +25,8 @@ import java.io.IOException;
import java.net.URI;
import java.util.List;
import junit.framework.Assert;
import org.apache.commons.logging.impl.Log4JLogger;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.qjournal.client.AsyncLogger;
@ -124,7 +126,7 @@ public class TestQuorumJournalManagerUnit {
.when(spyLoggers.get(2)).startLogSegment(Mockito.anyLong());
qjm.startLogSegment(1);
}
@Test
public void testQuorumOfLoggersFail() throws Exception {
futureReturns(null).when(spyLoggers.get(0)).startLogSegment(Mockito.anyLong());
@ -140,6 +142,16 @@ public class TestQuorumJournalManagerUnit {
}
}
@Test
public void testQuorumOutputStreamReport() throws Exception {
futureReturns(null).when(spyLoggers.get(0)).startLogSegment(Mockito.anyLong());
futureReturns(null).when(spyLoggers.get(1)).startLogSegment(Mockito.anyLong());
futureReturns(null).when(spyLoggers.get(2)).startLogSegment(Mockito.anyLong());
QuorumOutputStream os = (QuorumOutputStream) qjm.startLogSegment(1);
String report = os.generateReport();
Assert.assertFalse("Report should be plain text", report.contains("<"));
}
@Test
public void testWriteEdits() throws Exception {
EditLogOutputStream stm = createLogSegment();

53
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestEditLogFileOutputStream.java
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@ -26,24 +26,27 @@ import java.io.IOException;
import org.apache.hadoop.test.PathUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.util.StringUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* Test the EditLogFileOutputStream
*/
public class TestEditLogFileOutputStream {
private final static File TEST_DIR = PathUtils.getTestDir(TestEditLogFileOutputStream.class);
private static final File TEST_EDITS =
new File(TEST_DIR, "testEditLogFileOutput.log");
final static int MIN_PREALLOCATION_LENGTH =
EditLogFileOutputStream.MIN_PREALLOCATION_LENGTH;
private final static File TEST_DIR = PathUtils
.getTestDir(TestEditLogFileOutputStream.class);
private static final File TEST_EDITS = new File(TEST_DIR,
"testEditLogFileOutput.log");
final static int MIN_PREALLOCATION_LENGTH = EditLogFileOutputStream.MIN_PREALLOCATION_LENGTH;
private Configuration conf;
static {
@BeforeClass
public static void disableFsync() {
// No need to fsync for the purposes of tests. This makes
// the tests run much faster.
EditLogFileOutputStream.setShouldSkipFsyncForTesting(true);
@ -52,7 +55,8 @@ public class TestEditLogFileOutputStream {
@Before
@After
public void deleteEditsFile() {
if (TEST_EDITS.exists()) TEST_EDITS.delete();
if (TEST_EDITS.exists())
TEST_EDITS.delete();
}
@Before
@ -66,17 +70,17 @@ public class TestEditLogFileOutputStream {
elos.flushAndSync(true);
assertEquals(expectedLength, elos.getFile().length());
}
/**
* Tests writing to the EditLogFileOutputStream. Due to preallocation, the
* Tests writing to the EditLogFileOutputStream. Due to preallocation, the
* length of the edit log will usually be longer than its valid contents.
*/
@Test
public void testRawWrites() throws IOException {
EditLogFileOutputStream elos = new EditLogFileOutputStream(conf, TEST_EDITS,
0);
EditLogFileOutputStream elos = new EditLogFileOutputStream(conf,
TEST_EDITS, 0);
try {
byte[] small = new byte[] {1,2,3,4,5,8,7};
byte[] small = new byte[] { 1, 2, 3, 4, 5, 8, 7 };
elos.create();
// The first (small) write we make extends the file by 1 MB due to
// preallocation.
@ -101,7 +105,8 @@ public class TestEditLogFileOutputStream {
}
flushAndCheckLength(elos, 4 * MIN_PREALLOCATION_LENGTH);
} finally {
if (elos != null) elos.close();
if (elos != null)
elos.close();
}
}
@ -112,8 +117,8 @@ public class TestEditLogFileOutputStream {
@Test
public void testEditLogFileOutputStreamCloseAbort() throws IOException {
// abort after a close should just ignore
EditLogFileOutputStream editLogStream =
new EditLogFileOutputStream(conf, TEST_EDITS, 0);
EditLogFileOutputStream editLogStream = new EditLogFileOutputStream(conf,
TEST_EDITS, 0);
editLogStream.close();
editLogStream.abort();
}
@ -125,8 +130,8 @@ public class TestEditLogFileOutputStream {
@Test
public void testEditLogFileOutputStreamCloseClose() throws IOException {
// close after a close should result in an IOE
EditLogFileOutputStream editLogStream =
new EditLogFileOutputStream(conf, TEST_EDITS, 0);
EditLogFileOutputStream editLogStream = new EditLogFileOutputStream(conf,
TEST_EDITS, 0);
editLogStream.close();
try {
editLogStream.close();
@ -135,7 +140,7 @@ public class TestEditLogFileOutputStream {
assertTrue(msg, msg.contains("Trying to use aborted output stream"));
}
}
/**
* Tests EditLogFileOutputStream doesn't throw NullPointerException on being
* abort/abort sequence. See HDFS-2011.
@ -143,9 +148,13 @@ public class TestEditLogFileOutputStream {
@Test
public void testEditLogFileOutputStreamAbortAbort() throws IOException {
// abort after a close should just ignore
EditLogFileOutputStream editLogStream =
new EditLogFileOutputStream(conf, TEST_EDITS, 0);
editLogStream.abort();
editLogStream.abort();
EditLogFileOutputStream editLogStream = null;
try {
editLogStream = new EditLogFileOutputStream(conf, TEST_EDITS, 0);
editLogStream.abort();
editLogStream.abort();
} finally {
IOUtils.cleanup(null, editLogStream);
}
}
}

4
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeMXBean.java
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@ -46,7 +46,7 @@ public class TestNameNodeMXBean {
*/
private static final double DELTA = 0.000001;
@SuppressWarnings({ "unchecked", "deprecation" })
@SuppressWarnings({ "unchecked" })
@Test
public void testNameNodeMXBeanInfo() throws Exception {
Configuration conf = new Configuration();
@ -152,7 +152,7 @@ public class TestNameNodeMXBean {
assertEquals(0, statusMap.get("failed").size());
// This will cause the first dir to fail.
File failedNameDir = new File(nameDirUris.toArray(new URI[0])[0]);
File failedNameDir = new File(nameDirUris.iterator().next());
assertEquals(0, FileUtil.chmod(
new File(failedNameDir, "current").getAbsolutePath(), "000"));
cluster.getNameNodeRpc().rollEditLog();