use of com.orientechnologies.common.concur.executors.SubScheduledExecutorService in project orientdb by orientechnologies.
the class ODiskWriteAheadLog method moveLsnAfter.
@Override
public void moveLsnAfter(OLogSequenceNumber lsn) throws IOException {
syncObject.lock();
try {
if (!activeOperations.isEmpty())
throw new OStorageException("Can not change end of WAL because there are active atomic operations in the log.");
if (end() == null)
throw new OStorageException("Can not change end of WAL because WAL is empty");
if (end().compareTo(lsn) > 0)
return;
OLogSegment last = logSegments.get(logSegments.size() - 1);
last.stopFlush(true);
if (last.filledUpTo() == 0) {
last.delete(false);
logSegments.remove(logSegments.size() - 1);
}
last = new OLogSegment(this, new File(walLocation, getSegmentName(lsn.getSegment() + 1)), fileTTL, maxPagesCacheSize, performanceStatisticManager, new SubScheduledExecutorService(autoFileCloser), new SubScheduledExecutorService(commitExecutor));
last.init(fileDataBuffer);
last.startFlush();
logSegments.add(last);
} finally {
syncObject.unlock();
}
}
use of com.orientechnologies.common.concur.executors.SubScheduledExecutorService in project orientdb by orientechnologies.
the class ODiskWriteAheadLog method internalLog.
/**
* it log a record getting the serialized content as paramenter.
*
* @param record
* @param recordContent
*
* @return
*
* @throws IOException
*/
private OLogSequenceNumber internalLog(OWALRecord record, byte[] recordContent) throws IOException {
syncObject.lock();
try {
checkForClose();
if (segmentCreationFlag && record instanceof OOperationUnitRecord && !activeOperations.contains(((OOperationUnitRecord) record).getOperationUnitId())) {
while (segmentCreationFlag) {
try {
segmentCreationComplete.await();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new OInterruptedException("Segment creation was interrupted");
}
}
}
OLogSegment last = logSegments.get(logSegments.size() - 1);
long lastSize = last.filledUpTo();
final OLogSequenceNumber lsn = last.logRecord(recordContent);
record.setLsn(lsn);
if (record.isUpdateMasterRecord()) {
lastCheckpoint = lsn;
if (useFirstMasterRecord) {
firstMasterRecord = lsn;
writeMasterRecord(0, firstMasterRecord);
useFirstMasterRecord = false;
} else {
secondMasterRecord = lsn;
writeMasterRecord(1, secondMasterRecord);
useFirstMasterRecord = true;
}
}
final long sizeDiff = last.filledUpTo() - lastSize;
logSize += sizeDiff;
if (last.filledUpTo() >= maxSegmentSize) {
segmentCreationFlag = true;
if (record instanceof OAtomicUnitEndRecord && activeOperations.size() == 1 || (!(record instanceof OOperationUnitRecord) && activeOperations.isEmpty())) {
last.stopFlush(true);
last = new OLogSegment(this, new File(walLocation, getSegmentName(last.getOrder() + 1)), fileTTL, maxPagesCacheSize, performanceStatisticManager, new SubScheduledExecutorService(autoFileCloser), new SubScheduledExecutorService(commitExecutor));
last.init(fileDataBuffer);
last.startFlush();
logSegments.add(last);
segmentCreationFlag = false;
segmentCreationComplete.signalAll();
}
}
if (logSize > walSizeLimit && logSegments.size() > 1) {
for (WeakReference<OFullCheckpointRequestListener> listenerWeakReference : fullCheckpointListeners) {
final OFullCheckpointRequestListener listener = listenerWeakReference.get();
if (listener != null)
listener.requestCheckpoint();
}
}
return lsn;
} finally {
syncObject.unlock();
}
}
use of com.orientechnologies.common.concur.executors.SubScheduledExecutorService in project orientdb by orientechnologies.
the class ODiskWriteAheadLog method newSegment.
@Override
public void newSegment() throws IOException {
syncObject.lock();
try {
if (!activeOperations.isEmpty())
throw new OStorageException("Can not change end of WAL because there are active atomic operations in the log.");
OLogSegment last = logSegments.get(logSegments.size() - 1);
if (last.filledUpTo() == 0) {
return;
}
last.stopFlush(true);
last = new OLogSegment(this, new File(walLocation, getSegmentName(last.getOrder() + 1)), fileTTL, maxPagesCacheSize, performanceStatisticManager, new SubScheduledExecutorService(autoFileCloser), new SubScheduledExecutorService(commitExecutor));
last.init(fileDataBuffer);
last.startFlush();
logSegments.add(last);
} finally {
syncObject.unlock();
}
}
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