bench.getConf().setBoolean("dfs.support.append", true);
// Start local Tachyon cluster
System.setProperty("tachyon.user.quota.unit.bytes", "100000");
System.setProperty("tachyon.user.default.block.size.byte", String.valueOf(BLOCK_SIZE));
mLocalTachyonCluster = new LocalTachyonCluster(500000);
mLocalTachyonCluster.start();
mLocalTachyonClusterUri = URI.create(mLocalTachyonCluster.getMasterUri());
bench.getConf().set("fs.defaultFS", mLocalTachyonClusterUri.toString());
bench.getConf().set("fs.default.name", mLocalTachyonClusterUri.toString());