@Override
  public void stop() {
    LOG.debug("Stopping plugin.");

    try {
      if (factory != null) {
        factory.close();
        factory = null;
      }
    } catch (final IOException e) {
      LOG.error("Failed to stop plugin: {}", e.getMessage(), e);
    }
  }
Add ignorable segment identifier.

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