num_unique_keys 1 generates bound must be positive error

[markwjeske]

Running this command from step 4 of the docs https://docs.yugabyte.com/latest/explore/follower-reads/macos/

    java -jar ./yb-sample-apps.jar \
            --workload CassandraKeyValue \
            --nodes 127.0.0.1:9042 \
            --nouuid \
            --num_unique_keys 1 \
            --num_threads_write 1 \
            --num_threads_read 1 \
            --value_size 10240

generates an error:

810 [main] INFO com.yugabyte.sample.apps.AppBase - Created a Cassandra table using query: [CREATE TABLE IF NOT EXISTS CassandraKeyValue (k varchar, v blob, primary key (k));]
833 [Thread-3] INFO com.yugabyte.sample.apps.AppBase - Caught Exception:
java.lang.IllegalArgumentException: bound must be positive
at java.util.concurrent.ThreadLocalRandom.nextLong(ThreadLocalRandom.java:403)
at com.yugabyte.sample.common.SimpleLoadGenerator.getKeyToWrite(SimpleLoadGenerator.java:180)
at com.yugabyte.sample.apps.CassandraKeyValueBase.doWrite(CassandraKeyValueBase.java:147)
at com.yugabyte.sample.apps.AppBase.performWrite(AppBase.java:742)
at com.yugabyte.sample.common.IOPSThread.run(IOPSThread.java:87)