| /* |
| * 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.db.virtual; |
| |
| import org.apache.cassandra.db.compaction.CompactionInfo; |
| import org.apache.cassandra.db.compaction.CompactionManager; |
| import org.apache.cassandra.db.marshal.DoubleType; |
| import org.apache.cassandra.db.marshal.LongType; |
| import org.apache.cassandra.db.marshal.UTF8Type; |
| import org.apache.cassandra.db.marshal.UUIDType; |
| import org.apache.cassandra.dht.LocalPartitioner; |
| import org.apache.cassandra.schema.TableMetadata; |
| |
| final class SSTableTasksTable extends AbstractVirtualTable |
| { |
| private final static String KEYSPACE_NAME = "keyspace_name"; |
| private final static String TABLE_NAME = "table_name"; |
| private final static String TASK_ID = "task_id"; |
| private final static String COMPLETION_RATIO = "completion_ratio"; |
| private final static String KIND = "kind"; |
| private final static String PROGRESS = "progress"; |
| private final static String TOTAL = "total"; |
| private final static String UNIT = "unit"; |
| |
| SSTableTasksTable(String keyspace) |
| { |
| super(TableMetadata.builder(keyspace, "sstable_tasks") |
| .comment("current sstable tasks") |
| .kind(TableMetadata.Kind.VIRTUAL) |
| .partitioner(new LocalPartitioner(UTF8Type.instance)) |
| .addPartitionKeyColumn(KEYSPACE_NAME, UTF8Type.instance) |
| .addClusteringColumn(TABLE_NAME, UTF8Type.instance) |
| .addClusteringColumn(TASK_ID, UUIDType.instance) |
| .addRegularColumn(COMPLETION_RATIO, DoubleType.instance) |
| .addRegularColumn(KIND, UTF8Type.instance) |
| .addRegularColumn(PROGRESS, LongType.instance) |
| .addRegularColumn(TOTAL, LongType.instance) |
| .addRegularColumn(UNIT, UTF8Type.instance) |
| .build()); |
| } |
| |
| public DataSet data() |
| { |
| SimpleDataSet result = new SimpleDataSet(metadata()); |
| |
| for (CompactionInfo task : CompactionManager.instance.getSSTableTasks()) |
| { |
| long completed = task.getCompleted(); |
| long total = task.getTotal(); |
| |
| double completionRatio = total == 0L ? 1.0 : (((double) completed) / total); |
| |
| result.row(task.getKeyspace().orElse("*"), |
| task.getTable().orElse("*"), |
| task.getTaskId()) |
| .column(COMPLETION_RATIO, completionRatio) |
| .column(KIND, task.getTaskType().toString().toLowerCase()) |
| .column(PROGRESS, completed) |
| .column(TOTAL, total) |
| .column(UNIT, task.getUnit().toString().toLowerCase()); |
| } |
| |
| return result; |
| } |
| } |