public static DataBuffer getFastDiskDataBuffer(Properties prop) {
if (!fastDiskBufferInitializeToken.get()) {
synchronized(DataBufferFactory.class) {
if (fastDiskDataBuffer == null) {
fastDiskDataBuffer = new CODataBuffer(new FastDiskBufferEnv(prop), fastDiskBufferHelper);
}
}
fastDiskBufferInitializeToken.compareAndSet(false, true);
}
return fastDiskDataBuffer;