117 lines
3.7 KiB
Java
117 lines
3.7 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.cassandra.db.compaction;
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import java.util.List;
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import java.util.Map;
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import javax.management.openmbean.TabularData;
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public interface CompactionManagerMBean {
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/** List of running compaction objects. */
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public List<Map<String, String>> getCompactions();
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/** List of running compaction summary strings. */
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public List<String> getCompactionSummary();
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/** compaction history **/
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public TabularData getCompactionHistory();
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/**
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* Triggers the compaction of user specified sstables. You can specify files
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* from various keyspaces and columnfamilies. If you do so, user defined
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* compaction is performed several times to the groups of files in the same
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* keyspace/columnfamily.
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*
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* @param dataFiles
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* a comma separated list of sstable filename to compact
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*/
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public void forceUserDefinedCompaction(String dataFiles);
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/**
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* Stop all running compaction-like tasks having the provided {@code type}.
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*
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* @param type
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* the type of compaction to stop. Can be one of: - COMPACTION -
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* VALIDATION - CLEANUP - SCRUB - INDEX_BUILD
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*/
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public void stopCompaction(String type);
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/**
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* Stop an individual running compaction using the compactionId.
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*
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* @param compactionId
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* Compaction ID of compaction to stop. Such IDs can be found in
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* the transaction log files whose name starts with compaction_,
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* located in the table transactions folder.
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*/
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public void stopCompactionById(String compactionId);
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/**
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* Returns core size of compaction thread pool
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*/
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public int getCoreCompactorThreads();
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/**
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* Allows user to resize maximum size of the compaction thread pool.
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*
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* @param number
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* New maximum of compaction threads
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*/
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public void setCoreCompactorThreads(int number);
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/**
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* Returns maximum size of compaction thread pool
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*/
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public int getMaximumCompactorThreads();
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/**
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* Allows user to resize maximum size of the compaction thread pool.
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*
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* @param number
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* New maximum of compaction threads
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*/
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public void setMaximumCompactorThreads(int number);
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/**
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* Returns core size of validation thread pool
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*/
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public int getCoreValidationThreads();
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/**
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* Allows user to resize maximum size of the compaction thread pool.
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*
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* @param number
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* New maximum of compaction threads
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*/
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public void setCoreValidationThreads(int number);
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/**
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* Returns size of validator thread pool
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*/
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public int getMaximumValidatorThreads();
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/**
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* Allows user to resize maximum size of the validator thread pool.
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*
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* @param number
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* New maximum of validator threads
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*/
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public void setMaximumValidatorThreads(int number);
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}
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