public static void doEntryOperations(String keyPrefix) throws Exception {
    Region r1 = cache.getRegion(SEPARATOR + REGION_NAME);
    for (int i = 0; i < PUTS_PER_SERVER; i++) {
      r1.put(keyPrefix + i, keyPrefix + "val-" + i);
    }
  }
Do PUT operations

@param keyPrefix - string prefix for the keys for all the entries do be done
@throws Exception - thrown if any exception occurs in doing PUTs
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ha/StatsBugDUnitTest.java