| /** |
| * 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; |
| |
| import org.apache.bookkeeper.common.annotation.InterfaceAudience; |
| import org.apache.bookkeeper.common.annotation.InterfaceStability; |
| |
| /** |
| * JMX Bean interface for ManagedLedgerFactory stats. |
| */ |
| @InterfaceAudience.LimitedPrivate |
| @InterfaceStability.Stable |
| 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(); |
| } |