org.apache.cassandra.io.sstable.IndexSummaryManagerMBean Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
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* 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
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*/
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 getIndexIntervals();
public double getAverageIndexInterval();
public void redistributeSummaries() throws IOException;
public int getResizeIntervalInMinutes();
public void setResizeIntervalInMinutes(int resizeIntervalInMinutes);
}