@Override
  public ColocationLogger startColocationLogger(PartitionedRegion region) {
    return constructor.create(region, logIntervalMillis / 2, logIntervalMillis).start();
  }
Sleep period (milliseconds) between posting log entries.
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/colocation/SingleThreadColocationLoggerFactory.java