| /* |
| * 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.compaction; |
| |
| import java.net.UnknownHostException; |
| import java.util.List; |
| |
| import org.junit.Test; |
| |
| import org.apache.cassandra.cql3.CQLTester; |
| import org.apache.cassandra.db.ColumnFamilyStore; |
| import org.apache.cassandra.db.DiskBoundaries; |
| import org.apache.cassandra.locator.InetAddressAndPort; |
| import org.apache.cassandra.locator.TokenMetadata; |
| import org.apache.cassandra.service.StorageService; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| public class CompactionStrategyManagerBoundaryReloadTest extends CQLTester |
| { |
| @Test |
| public void testNoReload() |
| { |
| createTable("create table %s (id int primary key)"); |
| ColumnFamilyStore cfs = getCurrentColumnFamilyStore(); |
| List<List<AbstractCompactionStrategy>> strategies = cfs.getCompactionStrategyManager().getStrategies(); |
| DiskBoundaries db = cfs.getDiskBoundaries(); |
| StorageService.instance.getTokenMetadata().invalidateCachedRings(); |
| // make sure the strategy instances are the same (no reload) |
| assertTrue(isSame(strategies, cfs.getCompactionStrategyManager().getStrategies())); |
| // but disk boundaries are not .equal (ring version changed) |
| assertNotEquals(db, cfs.getDiskBoundaries()); |
| assertTrue(db.isEquivalentTo(cfs.getDiskBoundaries())); |
| |
| db = cfs.getDiskBoundaries(); |
| alterTable("alter table %s with comment = 'abcd'"); |
| assertTrue(isSame(strategies, cfs.getCompactionStrategyManager().getStrategies())); |
| // disk boundaries don't change because of alter |
| assertEquals(db, cfs.getDiskBoundaries()); |
| } |
| |
| @Test |
| public void testReload() throws UnknownHostException |
| { |
| createTable("create table %s (id int primary key)"); |
| ColumnFamilyStore cfs = getCurrentColumnFamilyStore(); |
| List<List<AbstractCompactionStrategy>> strategies = cfs.getCompactionStrategyManager().getStrategies(); |
| DiskBoundaries db = cfs.getDiskBoundaries(); |
| TokenMetadata tmd = StorageService.instance.getTokenMetadata(); |
| tmd.updateNormalToken(tmd.partitioner.getMinimumToken(), InetAddressAndPort.getByName("127.0.0.1")); |
| tmd.updateNormalToken(tmd.partitioner.getMaximumToken(), InetAddressAndPort.getByName("127.0.0.2")); |
| // make sure the strategy instances have been reloaded |
| assertFalse(isSame(strategies, |
| cfs.getCompactionStrategyManager().getStrategies())); |
| assertNotEquals(db, cfs.getDiskBoundaries()); |
| db = cfs.getDiskBoundaries(); |
| |
| strategies = cfs.getCompactionStrategyManager().getStrategies(); |
| alterTable("alter table %s with compaction = {'class': 'SizeTieredCompactionStrategy', 'enabled': false}"); |
| assertFalse(isSame(strategies, |
| cfs.getCompactionStrategyManager().getStrategies())); |
| assertEquals(db, cfs.getDiskBoundaries()); |
| |
| } |
| |
| private boolean isSame(List<List<AbstractCompactionStrategy>> a, List<List<AbstractCompactionStrategy>> b) |
| { |
| if (a.size() != b.size()) |
| return false; |
| for (int i = 0; i < a.size(); i++) |
| { |
| if (a.get(i).size() != b.get(i).size()) |
| return false; |
| for (int j = 0; j < a.get(i).size(); j++) |
| if (a.get(i).get(j) != b.get(i).get(j)) |
| return false; |
| } |
| return true; |
| } |
| } |