TableStat stat = appender.getStats();
assertEquals(tupleNum, stat.getNumRows().longValue());
FileStatus file = fs.getFileStatus(dataPath);
TableProto proto = (TableProto) FileUtil.loadProto(
cluster.getDefaultFileSystem(), metaPath, TableProto.getDefaultInstance());
meta = new TableMetaImpl(proto);
Fragment fragment = new Fragment("test.tbl", dataPath, meta, 0, file.getLen());
int tupleCnt = 0;