public RocksDBConfigurationBuilder cacheCapacity(final long cacheCapacity) {
    this.cacheCapacity = cacheCapacity;
    return this;
  }
Cache capacity.

@param cacheCapacity the cache capacity
@return the rocks db configuration builder
plugins/rocksdb/src/main/java/org/hyperledger/besu/plugin/services/storage/rocksdb/configuration/RocksDBConfigurationBuilder.java