ClientOpts opts = new ClientOpts();
BatchWriterOpts bwOpts = new BatchWriterOpts();
opts.parseArgs(GCLotsOfCandidatesTest.class.getName(), args, bwOpts);
Connector conn = opts.getConnector();
conn.securityOperations().grantTablePermission(conn.whoami(), Constants.METADATA_TABLE_NAME, TablePermission.WRITE);
BatchWriter bw = conn.createBatchWriter(Constants.METADATA_TABLE_NAME, bwOpts.getBatchWriterConfig());
for (int i = 0; i < 100000; ++i) {
final Text emptyText = new Text("");
Text row = new Text(String.format("%s%s%020d%s", Constants.METADATA_DELETE_FLAG_PREFIX, "/", i,