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| 1 | +/* |
| 2 | + * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | + * or more contributor license agreements. See the NOTICE file |
| 4 | + * distributed with this work for additional information |
| 5 | + * regarding copyright ownership. The ASF licenses this file |
| 6 | + * to you under the Apache License, Version 2.0 (the |
| 7 | + * "License"); you may not use this file except in compliance |
| 8 | + * with the License. You may obtain a copy of the License at |
| 9 | + * |
| 10 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | + * |
| 12 | + * Unless required by applicable law or agreed to in writing, software |
| 13 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | + * See the License for the specific language governing permissions and |
| 16 | + * limitations under the License. |
| 17 | + */ |
| 18 | +package org.apache.hadoop.hbase.master.hbck; |
| 19 | + |
| 20 | +import java.time.Instant; |
| 21 | +import java.util.HashMap; |
| 22 | +import java.util.HashSet; |
| 23 | +import java.util.List; |
| 24 | +import java.util.Map; |
| 25 | +import java.util.Set; |
| 26 | +import org.apache.hadoop.fs.Path; |
| 27 | +import org.apache.hadoop.hbase.ServerName; |
| 28 | +import org.apache.hadoop.hbase.util.HbckRegionInfo; |
| 29 | +import org.apache.hadoop.hbase.util.Pair; |
| 30 | +import org.apache.yetus.audience.InterfaceAudience; |
| 31 | + |
| 32 | +/** |
| 33 | + * The result of an {@link HbckChore} execution. |
| 34 | + */ |
| 35 | +@InterfaceAudience.Private |
| 36 | +public class HbckReport { |
| 37 | + |
| 38 | + private final Map<String, HbckRegionInfo> regionInfoMap = new HashMap<>(); |
| 39 | + private final Set<String> disabledTableRegions = new HashSet<>(); |
| 40 | + private final Set<String> splitParentRegions = new HashSet<>(); |
| 41 | + private final Map<String, ServerName> orphanRegionsOnRS = new HashMap<>(); |
| 42 | + private final Map<String, Path> orphanRegionsOnFS = new HashMap<>(); |
| 43 | + private final Map<String, Pair<ServerName, List<ServerName>>> inconsistentRegions = |
| 44 | + new HashMap<>(); |
| 45 | + |
| 46 | + private Instant checkingStartTimestamp = null; |
| 47 | + private Instant checkingEndTimestamp = null; |
| 48 | + |
| 49 | + /** |
| 50 | + * Used for web ui to show when the HBCK checking started. |
| 51 | + */ |
| 52 | + public Instant getCheckingStartTimestamp() { |
| 53 | + return checkingStartTimestamp; |
| 54 | + } |
| 55 | + |
| 56 | + public void setCheckingStartTimestamp(Instant checkingStartTimestamp) { |
| 57 | + this.checkingStartTimestamp = checkingStartTimestamp; |
| 58 | + } |
| 59 | + |
| 60 | + /** |
| 61 | + * Used for web ui to show when the HBCK checking report generated. |
| 62 | + */ |
| 63 | + public Instant getCheckingEndTimestamp() { |
| 64 | + return checkingEndTimestamp; |
| 65 | + } |
| 66 | + |
| 67 | + public void setCheckingEndTimestamp(Instant checkingEndTimestamp) { |
| 68 | + this.checkingEndTimestamp = checkingEndTimestamp; |
| 69 | + } |
| 70 | + |
| 71 | + /** |
| 72 | + * This map contains the state of all hbck items. It maps from encoded region name to |
| 73 | + * HbckRegionInfo structure. The information contained in HbckRegionInfo is used to detect and |
| 74 | + * correct consistency (hdfs/meta/deployment) problems. |
| 75 | + */ |
| 76 | + public Map<String, HbckRegionInfo> getRegionInfoMap() { |
| 77 | + return regionInfoMap; |
| 78 | + } |
| 79 | + |
| 80 | + public Set<String> getDisabledTableRegions() { |
| 81 | + return disabledTableRegions; |
| 82 | + } |
| 83 | + |
| 84 | + public Set<String> getSplitParentRegions() { |
| 85 | + return splitParentRegions; |
| 86 | + } |
| 87 | + |
| 88 | + /** |
| 89 | + * The regions only opened on RegionServers, but no region info in meta. |
| 90 | + */ |
| 91 | + public Map<String, ServerName> getOrphanRegionsOnRS() { |
| 92 | + return orphanRegionsOnRS; |
| 93 | + } |
| 94 | + |
| 95 | + /** |
| 96 | + * The regions have directory on FileSystem, but no region info in meta. |
| 97 | + */ |
| 98 | + public Map<String, Path> getOrphanRegionsOnFS() { |
| 99 | + return orphanRegionsOnFS; |
| 100 | + } |
| 101 | + |
| 102 | + /** |
| 103 | + * The inconsistent regions. There are three case: case 1. Master thought this region opened, but |
| 104 | + * no regionserver reported it. case 2. Master thought this region opened on Server1, but |
| 105 | + * regionserver reported Server2 case 3. More than one regionservers reported opened this region |
| 106 | + */ |
| 107 | + public Map<String, Pair<ServerName, List<ServerName>>> getInconsistentRegions() { |
| 108 | + return inconsistentRegions; |
| 109 | + } |
| 110 | +} |
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