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In container-log4j.properties, log4j.appender.{APPENDER}.MaxFileSize is set to ${yarn.app.container.log.filesize}, but yarn.app.container.log.filesize is 0 in default. So log is missing. This log is always rolling and only show the latest log.- Loading branch information
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128 changes: 128 additions & 0 deletions
128
...op-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ContainerLogAppender.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package org.apache.hadoop.yarn; | ||
|
|
||
| import java.io.File; | ||
| import java.io.Flushable; | ||
| import java.util.ArrayDeque; | ||
| import java.util.Deque; | ||
|
|
||
| import org.apache.hadoop.classification.InterfaceAudience.Public; | ||
| import org.apache.hadoop.classification.InterfaceStability.Unstable; | ||
| import org.apache.log4j.FileAppender; | ||
| import org.apache.log4j.spi.LoggingEvent; | ||
|
|
||
| /** | ||
| * A simple log4j-appender for container's logs. | ||
| */ | ||
| @Public | ||
| @Unstable | ||
| public class ContainerLogAppender extends FileAppender | ||
| implements Flushable { | ||
|
|
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| private String containerLogDir; | ||
| private String containerLogFile; | ||
| private int maxEvents; | ||
| private Deque<LoggingEvent> eventBuffer; | ||
| private boolean closed = false; | ||
|
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| @Override | ||
| public synchronized void activateOptions() { | ||
| if (maxEvents > 0) { | ||
| this.eventBuffer = new ArrayDeque<>(); | ||
| } | ||
| setFile(new File(this.containerLogDir, containerLogFile).toString()); | ||
| setAppend(true); | ||
| super.activateOptions(); | ||
| } | ||
|
|
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| @Override | ||
| public synchronized void append(LoggingEvent event) { | ||
| if (closed) { | ||
| return; | ||
| } | ||
| if (eventBuffer != null) { | ||
| if (eventBuffer.size() == maxEvents) { | ||
| eventBuffer.removeFirst(); | ||
| } | ||
| eventBuffer.addLast(event); | ||
| } else { | ||
| super.append(event); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void flush() { | ||
| if (qw != null) { | ||
| qw.flush(); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public synchronized void close() { | ||
| if (!closed) { | ||
| closed = true; | ||
| if (eventBuffer != null) { | ||
| for (LoggingEvent event : eventBuffer) { | ||
| super.append(event); | ||
| } | ||
| // let garbage collection do its work | ||
| eventBuffer = null; | ||
| } | ||
| super.close(); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Getter/Setter methods for log4j. | ||
| * | ||
| * @return containerLogDir. | ||
| */ | ||
| public String getContainerLogDir() { | ||
| return this.containerLogDir; | ||
| } | ||
|
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| public void setContainerLogDir(String containerLogDir) { | ||
| this.containerLogDir = containerLogDir; | ||
| } | ||
|
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| public String getContainerLogFile() { | ||
| return containerLogFile; | ||
| } | ||
|
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| public void setContainerLogFile(String containerLogFile) { | ||
| this.containerLogFile = containerLogFile; | ||
| } | ||
|
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| private static final long EVENT_SIZE = 100; | ||
|
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| public long getTotalLogFileSize() { | ||
| return maxEvents * EVENT_SIZE; | ||
| } | ||
|
|
||
| /** | ||
| * Setter so that log4j can configure it from the | ||
| * configuration(log4j.properties). | ||
| * | ||
| * @param logSize log size. | ||
| */ | ||
| public void setTotalLogFileSize(long logSize) { | ||
| maxEvents = (int)(logSize / EVENT_SIZE); | ||
| } | ||
| } |
75 changes: 75 additions & 0 deletions
75
.../hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ContainerRollingLogAppender.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package org.apache.hadoop.yarn; | ||
|
|
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| import org.apache.hadoop.classification.InterfaceAudience.Public; | ||
| import org.apache.hadoop.classification.InterfaceStability.Unstable; | ||
| import org.apache.log4j.RollingFileAppender; | ||
|
|
||
| import java.io.File; | ||
| import java.io.Flushable; | ||
|
|
||
| /** | ||
| * A simple log4j-appender for container's logs. | ||
| * | ||
| */ | ||
| @Public | ||
| @Unstable | ||
| public class ContainerRollingLogAppender extends RollingFileAppender implements Flushable { | ||
| private String containerLogDir; | ||
| private String containerLogFile; | ||
|
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| @Override | ||
| public void activateOptions() { | ||
| synchronized (this) { | ||
| setFile(new File(this.containerLogDir, containerLogFile).toString()); | ||
| setAppend(true); | ||
| super.activateOptions(); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void flush() { | ||
| if (qw != null) { | ||
| qw.flush(); | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * Getter/Setter methods for log4j. | ||
| * | ||
| * @return containerLogDir. | ||
| */ | ||
|
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| public String getContainerLogDir() { | ||
| return this.containerLogDir; | ||
| } | ||
|
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| public void setContainerLogDir(String containerLogDir) { | ||
| this.containerLogDir = containerLogDir; | ||
| } | ||
|
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| public String getContainerLogFile() { | ||
| return containerLogFile; | ||
| } | ||
|
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| public void setContainerLogFile(String containerLogFile) { | ||
| this.containerLogFile = containerLogFile; | ||
| } | ||
| } |
48 changes: 48 additions & 0 deletions
48
...arn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/TestContainerLogAppender.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package org.apache.hadoop.yarn; | ||
|
|
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| import org.junit.jupiter.api.Test; | ||
|
|
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| import org.apache.log4j.Logger; | ||
| import org.apache.log4j.PatternLayout; | ||
|
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| public class TestContainerLogAppender { | ||
|
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| @Test | ||
| void testAppendInClose() throws Exception { | ||
| final ContainerLogAppender claAppender = new ContainerLogAppender(); | ||
| claAppender.setName("testCLA"); | ||
| claAppender.setLayout(new PatternLayout("%-5p [%t]: %m%n")); | ||
| claAppender.setContainerLogDir("target/testAppendInClose/logDir"); | ||
| claAppender.setContainerLogFile("syslog"); | ||
| claAppender.setTotalLogFileSize(1000); | ||
| claAppender.activateOptions(); | ||
| final Logger claLog = Logger.getLogger("testAppendInClose-catergory"); | ||
| claLog.setAdditivity(false); | ||
| claLog.addAppender(claAppender); | ||
| claLog.info(new Object() { | ||
| public String toString() { | ||
| claLog.info("message1"); | ||
| return "return message1"; | ||
| } | ||
| }); | ||
| claAppender.close(); | ||
| } | ||
| } |
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