List<AtomicGetReader> getters = Lists.newArrayList();
for (int i = 0; i < numGetters; i++) {
AtomicGetReader getter = new AtomicGetReader(
ctx, rows[i % numUniqueRows], FAMILIES);
getters.add(getter);
ctx.addThread(getter);
}
List<AtomicScanReader> scanners = Lists.newArrayList();
for (int i = 0; i < numScanners; i++) {
AtomicScanReader scanner = new AtomicScanReader(ctx, FAMILIES);