private void validate() {
    logger.trace("begin validate.");
    validateReplicaCapacityInBytes(replicaCapacityInBytes);
    validateConstraints();
    logger.trace("complete validate.");
  }
Construct name based on Partition ID appropriate for use as a file or directory name.

@return string representation of the Partition's ID for use as part of file system path.
ambry-clustermap/src/main/java/com/github/ambry/clustermap/Partition.java