| /** |
| * Copyright 2016 Yahoo Inc. |
| * |
| * Licensed 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(); |
| } |