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.cassandra.io.sstable.indexsummary;
  
  import java.io.IOException;
  import java.util.Map;
  
  public interface IndexSummaryManagerMBean
  {
      public long getMemoryPoolCapacityInMB();
      public void setMemoryPoolCapacityInMB(long memoryPoolCapacityInMB);
  
      /**
       * Returns the current actual off-heap memory usage of the index summaries for all non-compacting sstables.
       * @return The amount of memory used in MiB.
       */
      public double getMemoryPoolSizeInMB();
  
      /**
       * Returns a map of SSTable filenames to their current effective index interval.
       */
      public Map<String, Integer> getIndexIntervals();
  
      public double getAverageIndexInterval();
  
      public void redistributeSummaries() throws IOException;
  
      public int getResizeIntervalInMinutes();
  
      /**
       * Set resizeIntervalInMinutes = -1 for disabled; This is the equivalent of index_summary_resize_interval being
       * set to null in cassandra.yaml
       */
      public void setResizeIntervalInMinutes(int resizeIntervalInMinutes);
  }
  