@Override
  public void start() {
    LOG.debug("Starting plugin.");
    if (factory == null) {
      LOG.trace("Applied configuration: {}", options.toString());
      createFactoriesAndRegisterWithStorageService();
    }
  }
Add ignorable segment identifier.

@param ignorable the ignorable
plugins/rocksdb/src/main/java/org/hyperledger/besu/plugin/services/storage/rocksdb/RocksDBPlugin.java