public void maybeMerger()
{
DirectoryInfo buffer=bufferDirector.get(RAM_KEY);
if(buffer!=null)
{
if(buffer.filelength()>=UniqConfig.RealTimeBufferSize()||(buffer.createtime+bufferdely)<System.currentTimeMillis())
{
try {
this.mergerBuffer(null);
} catch (Throwable e) {
LOG.error("mayBeMerger_buffer",e);