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ARTEMIS-1117 Improving IO Resilience Part II 

https://issues.apache.org/jira/browse/ARTEMIS-1117
This commit is contained in:
Clebert Suconic 2017-04-13 09:04:34 -04:00
parent 23ba3e27d9
commit 0a0955d0cc
1 changed files with 34 additions and 11 deletions
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37
artemis-journal/src/main/java/org/apache/activemq/artemis/core/journal/impl/JournalFilesRepository.java
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@ -90,6 +90,7 @@ public class JournalFilesRepository {
pushOpenedFile();
} catch (Exception e) {
ActiveMQJournalLogger.LOGGER.errorPushingFile(e);
fileFactory.onIOError(e, "unable to open ", null);
}
}
};
@ -412,21 +413,35 @@ public class JournalFilesRepository {
logger.trace("enqueueOpenFile with openedFiles.size=" + openedFiles.size());
}
if (openFilesExecutor == null) {
pushOpenRunnable.run();
} else {
openFilesExecutor.execute(pushOpenRunnable);
// First try to get an open file, that's prepared and already open
JournalFile nextFile = openedFiles.poll();
if (nextFile == null) {
// if there's none, push to open
pushOpen();
nextFile = openedFiles.poll(5, TimeUnit.SECONDS);
}
if (openedFiles.isEmpty()) {
// if empty, push to open one.
pushOpen();
}
JournalFile nextFile = openedFiles.poll(5, TimeUnit.SECONDS);
if (nextFile == null) {
fileFactory.onIOError(ActiveMQJournalBundle.BUNDLE.fileNotOpened(), "unable to open ", null);
logger.debug("Could not get a file in 5 seconds, it will retry directly, without an executor");
try {
nextFile = takeFile(true, true, true, false);
} catch (Exception e) {
fileFactory.onIOError(e, "unable to open ", null);
// We need to reconnect the current file with the timed buffer as we were not able to roll the file forward
// If you don't do this you will get a NPE in TimedBuffer::checkSize where it uses the bufferobserver
fileFactory.activateBuffer(journal.getCurrentFile().getFile());
throw ActiveMQJournalBundle.BUNDLE.fileNotOpened();
}
}
if (logger.isTraceEnabled()) {
logger.trace("Returning file " + nextFile);
}
@ -434,6 +449,14 @@ public class JournalFilesRepository {
return nextFile;
}
private void pushOpen() {
if (openFilesExecutor == null) {
pushOpenRunnable.run();
} else {
openFilesExecutor.execute(pushOpenRunnable);
}
}
/**
* Open a file and place it into the openedFiles queue
*/