public RocksDBConfigurationBuilder maxOpenFiles(final int maxOpenFiles) {
    this.maxOpenFiles = maxOpenFiles;
    return this;
  }
Max open files.

@param maxOpenFiles the max open files
@return the rocks db configuration builder
plugins/rocksdb/src/main/java/org/hyperledger/besu/plugin/services/storage/rocksdb/configuration/RocksDBConfigurationBuilder.java