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ARTEMIS-1224 - change the journal file size to nearest multiple 

https://issues.apache.org/jira/browse/ARTEMIS-1224
This commit is contained in:
Andy Taylor 2017-06-12 16:20:43 +01:00
parent 50c4039a49
commit 30a6ac703e
3 changed files with 78 additions and 2 deletions
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13
artemis-server/src/main/java/org/apache/activemq/artemis/core/persistence/impl/journal/JournalStorageManager.java
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@ -146,7 +146,18 @@ public class JournalStorageManager extends AbstractJournalStorageManager {
journalFF.setDatasync(config.isJournalDatasync());
Journal localMessage = new JournalImpl(ioExecutors, config.getJournalFileSize(), config.getJournalMinFiles(), config.getJournalPoolFiles(), config.getJournalCompactMinFiles(), config.getJournalCompactPercentage(), journalFF, "activemq-data", "amq", journalFF.getMaxIO(), 0);
int fileSize = config.getJournalFileSize();
// we need to correct the file size if its not a multiple of the alignement
int modulus = fileSize % journalFF.getAlignment();
if (modulus != 0) {
int difference = modulus;
int low = config.getJournalFileSize() - difference;
int high = low + journalFF.getAlignment();
fileSize = difference < journalFF.getAlignment() / 2 ? low : high;
ActiveMQServerLogger.LOGGER.invalidJournalFileSize(config.getJournalFileSize(), fileSize, journalFF.getAlignment());
}
Journal localMessage = new JournalImpl(ioExecutors, fileSize, config.getJournalMinFiles(), config.getJournalPoolFiles(), config.getJournalCompactMinFiles(), config.getJournalCompactPercentage(), journalFF, "activemq-data", "amq", journalFF.getMaxIO(), 0);
messageJournal = localMessage;
originalMessageJournal = localMessage;

4
artemis-server/src/main/java/org/apache/activemq/artemis/core/server/ActiveMQServerLogger.java
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@ -338,7 +338,9 @@ public interface ActiveMQServerLogger extends BasicLogger {
format = Message.Format.MESSAGE_FORMAT)
void usingDefaultPaging(long bytes);
@LogMessage(level = Logger.Level.INFO)
@Message(id = 221058, value = "resetting Journal File size from {0} to {1} to fit with alignment of {2}", format = Message.Format.MESSAGE_FORMAT)
void invalidJournalFileSize(int journalFileSize, int fileSize, int alignment);
@LogMessage(level = Logger.Level.WARN)
@Message(id = 222000, value = "ActiveMQServer is being finalized and has not been stopped. Please remember to stop the server before letting it go out of scope",

63
tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/persistence/JournalFileSizeTest.java Normal file
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@ -0,0 +1,63 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.activemq.artemis.tests.integration.persistence;
import org.apache.activemq.artemis.core.config.impl.ConfigurationImpl;
import org.apache.activemq.artemis.core.persistence.impl.journal.JournalStorageManager;
import org.apache.activemq.artemis.utils.OrderedExecutorFactory;
import org.junit.Assert;
import org.junit.Test;
public class JournalFileSizeTest {
@Test
public void testIncorrectFileSizeLower() {
ConfigurationImpl config = new ConfigurationImpl();
int origFileSize = config.getJournalFileSize();
config.setJournalFileSize(origFileSize + (512 / 2 - 1));
JournalStorageManager manager = new JournalStorageManager(config,
new OrderedExecutorFactory(null),
new OrderedExecutorFactory(null));
int fileSize = manager.getMessageJournal().getFileSize();
Assert.assertEquals(origFileSize, fileSize);
}
@Test
public void testIncorrectFileSizeHigher() {
ConfigurationImpl config = new ConfigurationImpl();
int origFileSize = config.getJournalFileSize();
config.setJournalFileSize(origFileSize + (512 / 2 + 1));
JournalStorageManager manager = new JournalStorageManager(config,
new OrderedExecutorFactory(null),
new OrderedExecutorFactory(null));
int fileSize = manager.getMessageJournal().getFileSize();
Assert.assertEquals(origFileSize + 512, fileSize);
}
@Test
public void testIncorrectFileSizeHalf() {
ConfigurationImpl config = new ConfigurationImpl();
int origFileSize = config.getJournalFileSize();
config.setJournalFileSize(origFileSize + (512 / 2));
JournalStorageManager manager = new JournalStorageManager(config,
new OrderedExecutorFactory(null),
new OrderedExecutorFactory(null));
int fileSize = manager.getMessageJournal().getFileSize();
Assert.assertEquals(origFileSize + 512, fileSize);
}
}