protected boolean needsSingleStripeCompaction(StripeInformationProvider si) {
    int minFiles = this.config.getStripeCompactMinFiles();
    for (List<HStoreFile> stripe : si.getStripes()) {
      if (stripe.size() >= minFiles) return true;
    }
    return false;
  }
@param si StoreFileManager.
@return Whether any stripe potentially needs compaction.
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/StripeCompactionPolicy.java