content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  package org.apache.bifromq.basekv.store.api;
  
  import com.google.protobuf.ByteString;
  import java.util.Map;
  
  public interface IKVLoadRecord {
      long startNanos();
  
      /**
       * Get the kv io times
       *
       * @return the access times to kv engine
       */
      int getKVIOs();
  
      /**
       * Get the total time spent on io of kv engine
       *
       * @return the total time in nanos
       */
      long getKVIONanos();
  
      Map<ByteString, Long> keyDistribution();
  }
  