| /* |
| * 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.cassandra.tools.nodetool; |
| |
| import java.time.Instant; |
| import java.time.LocalDateTime; |
| import java.time.ZoneId; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| import javax.management.openmbean.TabularData; |
| |
| import io.airlift.command.Command; |
| |
| import org.apache.cassandra.tools.NodeProbe; |
| import org.apache.cassandra.tools.NodeTool.NodeToolCmd; |
| import org.apache.cassandra.tools.nodetool.formatter.TableBuilder; |
| |
| import static com.google.common.collect.Iterables.toArray; |
| |
| @Command(name = "compactionhistory", description = "Print history of compaction") |
| public class CompactionHistory extends NodeToolCmd |
| { |
| @Override |
| public void execute(NodeProbe probe) |
| { |
| System.out.println("Compaction History: "); |
| |
| TabularData tabularData = probe.getCompactionHistory(); |
| if (tabularData.isEmpty()) |
| { |
| System.out.printf("There is no compaction history"); |
| return; |
| } |
| |
| TableBuilder table = new TableBuilder(); |
| List<String> indexNames = tabularData.getTabularType().getIndexNames(); |
| table.add(toArray(indexNames, String.class)); |
| |
| Set<?> values = tabularData.keySet(); |
| List<CompactionHistoryRow> chr = new ArrayList<>(); |
| for (Object eachValue : values) |
| { |
| List<?> value = (List<?>) eachValue; |
| CompactionHistoryRow chc = new CompactionHistoryRow((String)value.get(0), |
| (String)value.get(1), |
| (String)value.get(2), |
| (Long)value.get(3), |
| (Long)value.get(4), |
| (Long)value.get(5), |
| (String)value.get(6)); |
| chr.add(chc); |
| } |
| Collections.sort(chr); |
| for (CompactionHistoryRow eachChc : chr) |
| { |
| table.add(eachChc.getAllAsArray()); |
| } |
| table.printTo(System.out); |
| } |
| |
| /** |
| * Allows the Compaction History output to be ordered by 'compactedAt' - that is the |
| * time at which compaction finished. |
| */ |
| private static class CompactionHistoryRow implements Comparable<CompactionHistoryRow> |
| { |
| private final String id; |
| private final String ksName; |
| private final String cfName; |
| private final long compactedAt; |
| private final long bytesIn; |
| private final long bytesOut; |
| private final String rowMerged; |
| |
| CompactionHistoryRow(String id, String ksName, String cfName, long compactedAt, long bytesIn, long bytesOut, String rowMerged) |
| { |
| this.id = id; |
| this.ksName = ksName; |
| this.cfName = cfName; |
| this.compactedAt = compactedAt; |
| this.bytesIn = bytesIn; |
| this.bytesOut = bytesOut; |
| this.rowMerged = rowMerged; |
| } |
| |
| public int compareTo(CompactionHistoryRow chc) |
| { |
| return Long.signum(chc.compactedAt - this.compactedAt); |
| } |
| |
| public String[] getAllAsArray() |
| { |
| String[] obj = new String[7]; |
| obj[0] = this.id; |
| obj[1] = this.ksName; |
| obj[2] = this.cfName; |
| Instant instant = Instant.ofEpochMilli(this.compactedAt); |
| LocalDateTime ldt = LocalDateTime.ofInstant(instant, ZoneId.systemDefault()); |
| obj[3] = ldt.toString(); |
| obj[4] = Long.toString(this.bytesIn); |
| obj[5] = Long.toString(this.bytesOut); |
| obj[6] = this.rowMerged; |
| return obj; |
| } |
| } |
| } |