/* * 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; 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 MB. */ 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(); public void setResizeIntervalInMinutes(int resizeIntervalInMinutes); }