| /* |
| * 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.distributed.test.thresholds; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import org.junit.*; |
| |
| import org.apache.cassandra.config.DataStorageSpec; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| |
| import static org.apache.cassandra.config.DataStorageSpec.DataStorageUnit.KIBIBYTES; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| /** |
| * ReadSize client warn/abort is coordinator only, so the fact ClientMetrics is coordinator only does not |
| * impact the user experience |
| */ |
| public class CoordinatorReadSizeWarningTest extends AbstractClientSizeWarning |
| { |
| @BeforeClass |
| public static void setupClass() throws IOException |
| { |
| AbstractClientSizeWarning.setupClass(); |
| |
| // setup threshold after init to avoid driver issues loading |
| // the test uses a rather small limit, which causes driver to fail while loading metadata |
| CLUSTER.stream().forEach(i -> i.runOnInstance(() -> { |
| DatabaseDescriptor.setCoordinatorReadSizeWarnThreshold(new DataStorageSpec.LongBytesBound(1, KIBIBYTES)); |
| DatabaseDescriptor.setCoordinatorReadSizeFailThreshold(new DataStorageSpec.LongBytesBound(2, KIBIBYTES)); |
| })); |
| } |
| |
| private static void assertPrefix(String expectedPrefix, String actual) |
| { |
| if (!actual.startsWith(expectedPrefix)) |
| throw new AssertionError(String.format("expected \"%s\" to begin with \"%s\"", actual, expectedPrefix)); |
| } |
| |
| @Override |
| protected void assertWarnings(List<String> warnings) |
| { |
| assertThat(warnings).hasSize(1); |
| assertPrefix("Read on table " + KEYSPACE + ".tbl has exceeded the size warning threshold", warnings.get(0)); |
| } |
| |
| @Override |
| protected void assertAbortWarnings(List<String> warnings) |
| { |
| assertThat(warnings).hasSize(1); |
| assertPrefix("Read on table " + KEYSPACE + ".tbl has exceeded the size failure threshold", warnings.get(0)); |
| } |
| |
| @Override |
| protected long[] getHistogram() |
| { |
| return CLUSTER.stream().mapToLong(i -> i.metrics().getCounter("org.apache.cassandra.metrics.keyspace.CoordinatorReadSize." + KEYSPACE)).toArray(); |
| } |
| |
| @Override |
| protected long totalWarnings() |
| { |
| return CLUSTER.stream().mapToLong(i -> i.metrics().getCounter("org.apache.cassandra.metrics.keyspace.CoordinatorReadSizeWarnings." + KEYSPACE)).sum(); |
| } |
| |
| @Override |
| protected long totalAborts() |
| { |
| return CLUSTER.stream().mapToLong(i -> i.metrics().getCounter("org.apache.cassandra.metrics.keyspace.CoordinatorReadSizeAborts." + KEYSPACE)).sum(); |
| } |
| } |