public void testRecordGrowFactor() throws Exception {
paginatedCluster.set(OCluster.ATTRIBUTES.COMPRESSION, ONothingCompression.NAME);
paginatedCluster.set(OCluster.ATTRIBUTES.RECORD_GROW_FACTOR, 1.5);
byte[] record = new byte[100];
Random random = new Random();
random.nextBytes(record);
OPhysicalPosition physicalPosition = paginatedCluster
.createRecord(record, OVersionFactory.instance().createVersion(), (byte) 1);
OCacheEntry cacheEntry = diskCache.load(1, 1, false);
OCachePointer pagePointer = cacheEntry.getCachePointer();
OClusterPage page = new OClusterPage(pagePointer.getDataPointer(), false, ODurablePage.TrackMode.NONE);
int recordIndex = (int) (physicalPosition.clusterPosition.longValue() & 0xFFFF);
Assert.assertEquals(page.getRecordSize(recordIndex), ((int) (record.length * 1.5)) + RECORD_SYSTEM_INFORMATION);
diskCache.release(cacheEntry);
paginatedCluster.set(OCluster.ATTRIBUTES.RECORD_GROW_FACTOR, 2);
physicalPosition = paginatedCluster.createRecord(record, OVersionFactory.instance().createVersion(), (byte) 1);
recordIndex = (int) (physicalPosition.clusterPosition.longValue() & 0xFFFF);
cacheEntry = diskCache.load(1, 1, false);
pagePointer = cacheEntry.getCachePointer();
page = new OClusterPage(pagePointer.getDataPointer(), false, ODurablePage.TrackMode.NONE);
Assert.assertEquals(page.getRecordSize(recordIndex), record.length * 2 + RECORD_SYSTEM_INFORMATION);
diskCache.release(cacheEntry);
}
public void testCompressionSnappy() throws Exception {
paginatedCluster.set(OCluster.ATTRIBUTES.COMPRESSION, OSnappyCompression.NAME);
paginatedCluster.set(OCluster.ATTRIBUTES.RECORD_GROW_FACTOR, 1);
byte[] record = new byte[100];
Random random = new Random();
random.nextBytes(record);
OPhysicalPosition physicalPosition = paginatedCluster
.createRecord(record, OVersionFactory.instance().createVersion(), (byte) 1);
record = OSnappyCompression.INSTANCE.compress(record);
OCacheEntry cacheEntry = diskCache.load(1, 1, false);
OCachePointer pagePointer = cacheEntry.getCachePointer();
int recordIndex = (int) (physicalPosition.clusterPosition.longValue() & 0xFFFF);
OClusterPage page = new OClusterPage(pagePointer.getDataPointer(), false, ODurablePage.TrackMode.NONE);
byte[] storedEntity = page.getRecordBinaryValue(recordIndex, 0, page.getRecordSize(recordIndex));
byte[] storedRecord = new byte[record.length];
System.arraycopy(storedEntity, OIntegerSerializer.INT_SIZE + OByteSerializer.BYTE_SIZE, storedRecord, 0, storedRecord.length);
Assert.assertEquals(storedRecord, record);
diskCache.release(cacheEntry);
}
public void testRecordOverflowGrowFactor() throws Exception {
paginatedCluster.set(OCluster.ATTRIBUTES.COMPRESSION, ONothingCompression.NAME);
paginatedCluster.set(OCluster.ATTRIBUTES.RECORD_GROW_FACTOR, 1.5);
paginatedCluster.set(OCluster.ATTRIBUTES.RECORD_OVERFLOW_GROW_FACTOR, 2.5);
byte[] record = new byte[100];
Random random = new Random();
random.nextBytes(record);
ORecordVersion version = OVersionFactory.instance().createVersion();
OPhysicalPosition physicalPosition = paginatedCluster.createRecord(record, version, (byte) 1);
record = new byte[150];
random.nextBytes(record);
paginatedCluster.updateRecord(physicalPosition.clusterPosition, record, version, (byte) 1);
OCacheEntry cacheEntry = diskCache.load(1, 1, false);
int recordIndex = (int) (physicalPosition.clusterPosition.longValue() & 0xFFFF);
OCachePointer pagePointer = cacheEntry.getCachePointer();
OClusterPage page = new OClusterPage(pagePointer.getDataPointer(), false, ODurablePage.TrackMode.NONE);
Assert.assertEquals(page.getRecordSize(recordIndex), record.length + RECORD_SYSTEM_INFORMATION);
diskCache.release(cacheEntry);
record = new byte[200];
random.nextBytes(record);
paginatedCluster.updateRecord(physicalPosition.clusterPosition, record, version, (byte) 1);
cacheEntry = diskCache.load(1, 1, false);
pagePointer = cacheEntry.getCachePointer();
page = new OClusterPage(pagePointer.getDataPointer(), false, ODurablePage.TrackMode.NONE);
int fullContentSize = 500 + OIntegerSerializer.INT_SIZE + OByteSerializer.BYTE_SIZE; // type + real size
Assert.assertEquals(page.getRecordSize(recordIndex), 150 + RECORD_SYSTEM_INFORMATION);
fullContentSize -= 150 + RECORD_SYSTEM_INFORMATION - OByteSerializer.BYTE_SIZE - OLongSerializer.LONG_SIZE;
Assert.assertEquals(page.getRecordSize(recordIndex + 1), fullContentSize
+ (OByteSerializer.BYTE_SIZE + OLongSerializer.LONG_SIZE));
diskCache.release(cacheEntry);
}