private String getPrefix(long i) {
      return StringUtils.leftPad(String.valueOf((int) (i % numPartitions)), PREFIX_PAD_TO, "0");
    }
A perf test which does large data ingestion using stripe compactions and regular compactions.
hbase-it/src/test/java/org/apache/hadoop/hbase/StripeCompactionsPerformanceEvaluation.java