| /* |
| * 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.cql3; |
| |
| import static junit.framework.Assert.fail; |
| |
| import java.io.Closeable; |
| import java.util.UUID; |
| import java.util.concurrent.ExecutionException; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import org.apache.cassandra.Util; |
| import org.apache.cassandra.config.Config.DiskFailurePolicy; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.db.commitlog.CommitLog; |
| import org.apache.cassandra.db.commitlog.CommitLogSegment; |
| import org.apache.cassandra.db.Keyspace; |
| import org.apache.cassandra.gms.Gossiper; |
| import org.apache.cassandra.io.FSWriteError; |
| import org.apache.cassandra.utils.JVMStabilityInspector; |
| import org.apache.cassandra.utils.KillerForTests; |
| |
| /** |
| * Test that TombstoneOverwhelmingException gets thrown when it should be and doesn't when it shouldn't be. |
| */ |
| public class OutOfSpaceTest extends CQLTester |
| { |
| @Test |
| public void testFlushUnwriteableDie() throws Throwable |
| { |
| makeTable(); |
| |
| KillerForTests killerForTests = new KillerForTests(); |
| JVMStabilityInspector.Killer originalKiller = JVMStabilityInspector.replaceKiller(killerForTests); |
| DiskFailurePolicy oldPolicy = DatabaseDescriptor.getDiskFailurePolicy(); |
| try (Closeable c = Util.markDirectoriesUnwriteable(getCurrentColumnFamilyStore())) |
| { |
| DatabaseDescriptor.setDiskFailurePolicy(DiskFailurePolicy.die); |
| flushAndExpectError(); |
| Assert.assertTrue(killerForTests.wasKilled()); |
| Assert.assertFalse(killerForTests.wasKilledQuietly()); //only killed quietly on startup failure |
| } |
| finally |
| { |
| DatabaseDescriptor.setDiskFailurePolicy(oldPolicy); |
| JVMStabilityInspector.replaceKiller(originalKiller); |
| } |
| } |
| |
| @Test |
| public void testFlushUnwriteableStop() throws Throwable |
| { |
| makeTable(); |
| |
| DiskFailurePolicy oldPolicy = DatabaseDescriptor.getDiskFailurePolicy(); |
| try (Closeable c = Util.markDirectoriesUnwriteable(getCurrentColumnFamilyStore())) |
| { |
| DatabaseDescriptor.setDiskFailurePolicy(DiskFailurePolicy.stop); |
| flushAndExpectError(); |
| Assert.assertFalse(Gossiper.instance.isEnabled()); |
| } |
| finally |
| { |
| DatabaseDescriptor.setDiskFailurePolicy(oldPolicy); |
| } |
| } |
| |
| @Test |
| public void testFlushUnwriteableIgnore() throws Throwable |
| { |
| makeTable(); |
| |
| DiskFailurePolicy oldPolicy = DatabaseDescriptor.getDiskFailurePolicy(); |
| try (Closeable c = Util.markDirectoriesUnwriteable(getCurrentColumnFamilyStore())) |
| { |
| DatabaseDescriptor.setDiskFailurePolicy(DiskFailurePolicy.ignore); |
| flushAndExpectError(); |
| } |
| finally |
| { |
| DatabaseDescriptor.setDiskFailurePolicy(oldPolicy); |
| } |
| |
| // Next flush should succeed. |
| flush(); |
| } |
| |
| public void makeTable() throws Throwable |
| { |
| createTable("CREATE TABLE %s (a text, b text, c text, PRIMARY KEY (a, b));"); |
| |
| // insert exactly the amount of tombstones that shouldn't trigger an exception |
| for (int i = 0; i < 10; i++) |
| execute("INSERT INTO %s (a, b, c) VALUES ('key', 'column" + i + "', null);"); |
| } |
| |
| public void flushAndExpectError() throws InterruptedException, ExecutionException |
| { |
| try |
| { |
| Keyspace.open(KEYSPACE).getColumnFamilyStore(currentTable()).forceFlush().get(); |
| fail("FSWriteError expected."); |
| } |
| catch (ExecutionException e) |
| { |
| // Correct path. |
| Assert.assertTrue(e.getCause() instanceof FSWriteError); |
| } |
| |
| // Make sure commit log wasn't discarded. |
| UUID cfid = currentTableMetadata().cfId; |
| for (CommitLogSegment segment : CommitLog.instance.allocator.getActiveSegments()) |
| if (segment.getDirtyCFIDs().contains(cfid)) |
| return; |
| fail("Expected commit log to remain dirty for the affected table."); |
| } |
| } |