Increment all = new Increment(rows[0]);
all.setDurability(Durability.SKIP_WAL);
for (int i=0;i<numQualifiers;i++) {
if (i % 2 == 0) even.addColumn(families[0], qualifiers[i], 1);
else odd.addColumn(families[0], qualifiers[i], 1);
all.addColumn(families[0], qualifiers[i], 1);
}
// increment odd qualifiers 5 times and flush
for (int i=0;i<5;i++) region.increment(odd);
region.flushcache();