org.apache.bookkeeper.mledger.ManagedLedgerFactoryMXBean Maven / Gradle / Ivy
/**
* 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.bookkeeper.mledger;
/**
* JMX Bean interface for ManagedLedgerFactory stats.
*/
public interface ManagedLedgerFactoryMXBean {
/**
* Get the number of currently opened managed ledgers on the factory.
*/
int getNumberOfManagedLedgers();
/**
* Get the size in byte used to store the entries payloads.
*/
long getCacheUsedSize();
/**
* Get the configured maximum cache size.
*/
long getCacheMaxSize();
/**
* Get the number of cache hits per second.
*/
double getCacheHitsRate();
/**
* Get the number of cache misses per second.
*/
double getCacheMissesRate();
/**
* Get the amount of data is retrieved from the cache in byte/s.
*/
double getCacheHitsThroughput();
/**
* Get the amount of data is retrieved from the bookkeeper in byte/s.
*/
double getCacheMissesThroughput();
/**
* Get the number of cache evictions during the last minute.
*/
long getNumberOfCacheEvictions();
}