REQUIRE_SUCCESS(memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ, 1));
for (auto i = 0; i < NUM_KEYS; ++i) {
memcached_return_t rc;
REQUIRE_SUCCESS(memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ, 1));
for (auto i = 0; i < NUM_KEYS; ++i) {
memcached_return_t rc;