/** * 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.hadoop.raid; public interface RaidNodeStatusMBean { /** * Returns how long (in seconds) raidnode doesn't fix a block since * last successful fix * 0 if no block needs to fix * current - lastFixTime if there are some blocks need to be fixed. * @return */ public long getTimeSinceLastSuccessfulFix(); /** * Returns the number of under-redundant files failed to increase * replication to 3 */ public long getNumUnderRedundantFilesFailedIncreaseReplication(); /** * Returns the number of under-redundant files succeeded to increase * replication to 3 */ public long getNumUnderRedundantFilesSucceededIncreaseReplication(); }