@Override
  public boolean shouldCheckBulkLoads() {
    // Reference check. The singleton is used when no quota exists to check against
    return SpaceQuotaSnapshot.getNoSuchSnapshot() != quotaSnapshot;
  }
The default implementation for {@link SpaceViolationPolicyEnforcement}. This is done because all
tables, whether or not they're in violation now, should be checking bulk loads to proactively
catch a swell of files that would push the table into violation.
hbase-server/src/main/java/org/apache/hadoop/hbase/quotas/policies/DefaultViolationPolicyEnforcement.java