@Override
  public ChaosMonkey build() {
    loadProperties();
    Policy chaosPolicy =
      new PeriodicRandomActionPolicy(chaosEveryMilliSec, new UnbalanceKillAndRebalanceAction(
        waitForUnbalanceMilliSec, waitForKillMilliSec, waitAfterBalanceMilliSec, killMetaRs));

    return new PolicyBasedChaosMonkey(properties, util, chaosPolicy);
  }
How often to introduce the chaos. If too frequent, sequence of kills on minicluster can cause
test to fail when Put runs out of retries.
hbase-it/src/test/java/org/apache/hadoop/hbase/chaos/factories/UnbalanceMonkeyFactory.java